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Girgaon, Mumbai - 400004
Stainless Steel Seamless Pipes Manufacturer & Stockist in India (Since 1984)
Trusted Manufacturer & Stockist of Stainless Steel Seamless Pipes in India
Kamal Steels is a leading manufacturer, stockist and exporter of Stainless Steel Seamless Pipes in India, serving industrial customers since 1984. We supply ASTM A312 seamless stainless steel pipes in grades 304, 304L, 316, 316L, 321, 347, 310S and 904L for applications requiring high pressure resistance, corrosion resistance and long service life.
A stainless steel seamless pipe is manufactured from a solid stainless steel billet without any welded seam. Because there is no weld joint, seamless pipes provide superior structural integrity, higher pressure handling capability and improved reliability in critical industrial environments. These pipes are widely used in oil & gas plants, petrochemical facilities, refineries, power stations, pharmaceutical manufacturing units, food processing plants, desalination projects and water treatment systems.
Our SS Seamless Pipes are available in sizes from 1/8" NB to 24" NB with SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160 and XXS wall thicknesses. All products are supplied according to ASTM, ASME, and ANSI standards and are available with EN 10204 3.1 Mill Test Certificates, PMI testing, third-party inspection and export-quality packaging.
With ready stock availability, competitive pricing and worldwide export capability, Kamal Steels supplies Seamless Stainless Steel Pipes to customers across the Middle East, Africa, Southeast Asia and other international markets. Our technical team helps buyers select the right grade, schedule and specification based on pressure, temperature, corrosion conditions and project requirements.
Looking for Best Price for SS Seamless Pipes?
Our Company offers competitive pricing for Stainless Steel Seamless Pipes with Available for Immediate Dispatch for domestic and export requirements. Whether you need ASTM A312 TP304, TP304L, TP316, TP316L, TP321, TP347, or 904L seamless pipes, our sales team can provide a fast quotation based on your required size, schedule, quantity, and destination.
We supply stainless steel seamless pipes to customers across India including Mumbai, Ahmedabad, Pune, Chennai, Hyderabad, Bengaluru, Kolkata and Delhi, while also exporting to the UAE, Saudi Arabia, Oman, Qatar, Kuwait, South Africa, Singapore and other global markets.
Get Quote / Best Price for Stainless Steel Seamless Pipes
- Instant Quotation Support (Fast Response)
- WhatsApp Inquiry Available
- SS 304, 316, 321 & 904L Seamless Pipes in Stock
- Bulk Order & Project Pricing
- Mill Test Certificate (MTC) Available
- Third Party Inspection (TPI) Support
- Export Documentation Support
- Ready Stock Dispatch Worldwide
Table of Contents
- What Are Stainless Steel Seamless Pipes?
- Stainless Steel Seamless Pipe Specifications
- Ready Stock of Stainless Steel Seamless Pipes
- ASTM A312 Stainless Steel Seamless Pipe Manufacturer
- Types of Stainless Steel Seamless Pipes
- SS 304 Seamless Pipe Manufacturer in India
- SS 316 Seamless Pipe Supplier
- SS 304 vs SS 316 Seamless Pipe – Which Grade Should You Choose?
- Seamless Pipe vs Welded Pipe
- Stainless Steel Seamless Pipe Price in India
- How to Select the Right Stainless Steel Seamless Pipe Grade
- Stainless Steel Seamless Pipe Dimensions Chart
- Stainless Steel Seamless Pipe Size Chart
- Chemical Composition of Stainless Steel Seamless Pipe
- Mechanical Properties of Stainless Steel Seamless Pipes
- Schedule 40 and Schedule 80 Seamless Pipes
- Stainless Steel Seamless Pipe Standards
- Benefits of Stainless Steel Seamless Pipes
- Stainless Steel Seamless Pipe Manufacturing Process
- Features of Stainless Steel Seamless Pipes
- Applications of Stainless Steel Seamless Pipes
- Packaging, Testing & Inspection
- Why Choose Kamal Steels?
- Frequently Asked Questions
What Are Stainless Steel Seamless Pipes?
Stainless Steel Seamless Pipes are tubular products manufactured from a solid stainless steel billet without any welded seam. The manufacturing process typically involves hot piercing, extrusion and cold drawing to achieve the required dimensions and mechanical properties.
Compared to welded pipes, seamless pipes provide better pressure handling capability, improved structural integrity and higher resistance to mechanical stress. They are widely used in industries where safety, reliability and long service life are critical, including refineries, petrochemical plants, offshore installations, power stations, pharmaceutical facilities and food processing units.
ASTM A312 Stainless Steel Seamless Pipes are among the most commonly specified products for transporting liquids, gases, steam and corrosive chemicals under high-pressure and high-temperature conditions.
Stainless Steel Seamless Pipe Specifications
Leading Supplier, supplies Stainless Steel Seamless Pipes in ASTM A312 TP304, TP304L, TP316, TP316L, TP321, TP310S, Duplex and Super Duplex grades for critical industrial applications requiring superior strength and Corrosion Resistance.
Contact our sales team today for the latest stainless steel seamless pipe price list, stock availability, custom cutting requirements and export quotations.
| Product Name | Stainless Steel Seamless Pipes |
|---|---|
| Brand | Kamal Steels |
| Material | Stainless Steel |
| Type | Seamless Pipe |
| Manufacturing Process | Hot Piercing, Extrusion & Cold Drawing Process |
| Construction | Seamless (Without Welded Joint) |
| Available Grades | 304, 304L, 316, 316L, 321, 347, 904L |
| Form | Round Seamless Pipe |
| Outer Diameter | 6 mm to 610 mm |
| Wall Thickness | 0.5 mm to 50 mm |
| Length | Single Random, Double Random, Cut Length |
| Pipe End | Plain End, Beveled End, Threaded End |
| Surface Finish | Annealed, Pickled, Bright Annealed, Polished |
| Standards | ASTM A312, ASTM A213, ASTM A269, ASME SA312, ASME B36.19M |
| Pipe Schedules | SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS |
| Service Conditions | High Pressure, High Temperature & Critical Process Applications |
| Applications | Oil & Gas, Petrochemical, Power Generation, Boilers, Heat Exchangers and Process Industries |
Ready Stock of Stainless Steel Seamless Pipes
Trusted Exporter maintains a large inventory of Seamless Stainless Steel Tubing in standard and special grades for immediate dispatch to domestic and international customers. Our Stock Available for Fast Delivery program helps reduce project lead times and ensures fast delivery for urgent requirements.
Available Grades in Large Inventory:
- SS 304 Seamless Pipe
- SS 304L Seamless Pipe
- SS 316 Seamless Pipe
- SS 316L Seamless Pipe
- SS 321 Seamless Pipe
- SS 347 Seamless Pipe
- SS 904L Seamless Pipe
Our stock includes multiple sizes, wall thicknesses, and schedules suitable for oil & gas, petrochemical, chemical processing, power generation, pharmaceutical, marine and water treatment applications. All pipes are supplied with Material Test Certificates (MTC) and can be provided with third-party inspection upon request.
Contact Kamal Steels for current stock availability, custom cutting requirements, and the latest pricing on Corrosion Resistant SS Pipes available for immediate shipment worldwide.
Types of Stainless Steel Seamless Pipes
We manufactures the following Types of stainless steel seamless pipes:
- Stainless Steel 304 Seamless Pipes
- Stainless Steel 304L Seamless Pipes
- Stainless Steel 304H Seamless Pipes
- Stainless Steel 310 Seamless Pipes
- Stainless Steel 310S Seamless Pipes
- Stainless Steel 310H Seamless Pipes
- Stainless Steel 316 Seamless Pipes
- Stainless Steel 316L Seamless Pipes
- Stainless Steel 316H Seamless Pipes
ASTM A312 Stainless Steel Seamless Pipe
ASTM A312 Pipe is one of the most widely used specifications covering austenitic Stainless Steel Seamless Pipes for High-Pressure Applications for high-temperature, corrosive, and pressure-service applications. The specification includes popular grades such as TP304, TP304L, TP316, TP316L, TP321, TP347, TP310S and other stainless steel alloys used across process industries.
ASTM A312 seamless pipes are manufactured to strict standards for chemical composition, mechanical properties, dimensional accuracy and testing requirements. These pipes are widely specified by EPC contractors, consultants and project engineers because of their proven performance and international acceptance.
Industries such as oil & gas, petrochemical, chemical processing, pharmaceuticals, marine, power generation, and water treatment commonly use ASTM A312 Stainless Steel Seamless Pipes for transporting process fluids, steam, chemicals and corrosive media. Their excellent corrosion resistance, pressure handling capability and long service life make them suitable for critical industrial applications.
At Kamal Steels, ASTM A312 SS Seamless Pipes are available in multiple grades, sizes and schedules with Extensive Stock Range, Mill Test Certificates (MTC), third-party inspection support and export-quality packaging.
SS 304 Seamless Pipe Manufacturer in India
SS 304 Seamless Pipe are among the most widely used stainless steel piping products due to their excellent combination of Corrosion Resistance, durability and cost-effectiveness. Manufactured without a welded seam, these pipes provide reliable performance in industrial applications requiring moderate corrosion resistance and long service life.
SS 304 contains approximately 18% chromium and 8% nickel, offering excellent resistance to oxidation, atmospheric corrosion and many industrial chemicals. These properties make SS 304 seamless pipes suitable for water treatment systems, food processing plants, pharmaceutical facilities, dairy industries, heat exchangers and general industrial piping applications.
For buyers seeking a versatile and economical stainless steel pipe, SS 304 is often the preferred choice. It provides dependable performance while maintaining lower material costs compared to higher alloy grades.
We supplies ASTM A312 TP304 seamless pipes in various sizes, schedules and wall thicknesses with Prompt Supply availability for domestic and export requirements.
SS 316 Seamless Pipe Supplier
SS 316 Seamless Pipe are designed for applications involving aggressive chemicals, chlorides, seawater and corrosive process environments. The addition of molybdenum significantly improves resistance to pitting and crevice corrosion, making SS 316 one of the most preferred stainless steel grades for demanding industrial conditions.
These pipes are widely used in chemical processing plants, petrochemical facilities, marine installations, offshore projects, desalination plants, pharmaceutical manufacturing units and water treatment systems. Their excellent Long Service Life helps ensure long service life and reduced maintenance costs in harsh operating environments.
Compared to SS 304, SS 316 provides superior protection against chloride-induced corrosion and is often specified for applications where reliability and durability are critical.
Our Company maintains Quick Delivery Program of ASTM A312 TP316 seamless pipes in multiple sizes and schedules, supported by Mill Test Certificates (MTC), third-party inspection and export-quality packaging.
SS 304 vs SS 316 Seamless Pipe – Which Grade Should You Choose?
SS 304 and SS 316 are the most widely used stainless steel seamless pipe grades for industrial applications. Both grades offer excellent Excellent Corrosion Resistance, durability and mechanical strength. However, SS 316 Seamless Pipes contain molybdenum, which provides superior resistance to chlorides, chemicals, and marine environments. SS 304 Seamless Pipes are generally preferred for general industrial applications due to their excellent performance and cost-effectiveness.
| Property | SS 304 Seamless Pipe | SS 316 Seamless Pipe |
|---|---|---|
| Chromium Content | 18–20% | 16–18% |
| Nickel Content | 8–10.5% | 10–14% |
| Molybdenum Content | Not Present | 2–3% |
| Chemical Resistance | Excellent | Superior |
| Chloride Resistance | Good | Excellent |
| Pitting Resistance | Moderate | High |
| Marine Applications | Limited Use | Highly Recommended |
| Chemical Processing | Suitable | Preferred Choice |
| Temperature Resistance | Good | Better |
| Weldability | Excellent | Excellent |
| Cost | More Economical | Premium Grade |
| Common Applications | Food Processing, Water Treatment, General Industry | Marine, Chemical, Pharmaceutical & Offshore Projects |
For general industrial applications, SS 304 Seamless Pipes provide excellent Corrosion Resistance and cost-effective performance. For highly corrosive environments, chemical processing plants, offshore projects, and marine applications, SS 316 Seamless Pipes are the preferred choice due to their enhanced resistance to pitting, crevice corrosion, and chloride attack.
Seamless Pipe vs Welded Pipe
Choosing between seamless and welded stainless steel pipes depends on operating pressure, temperature, corrosion conditions, and project requirements. While both products are widely used in industrial piping systems, seamless pipes are generally preferred for critical applications where strength, reliability, and pressure resistance are important.
| Feature | Seamless Pipe | Welded Pipe |
|---|---|---|
| Construction | Manufactured without a weld seam | Produced by welding stainless steel strip or plate |
| Pressure Capacity | Higher | Moderate |
| Structural Integrity | Superior | Good |
| High Temperature Service | Preferred | Suitable for standard service |
| Critical Applications | Recommended | Limited |
| Cost | Higher | Lower |
Seamless pipes are manufactured from a solid stainless steel billet through hot piercing and forming processes. Because there is no welded joint, they offer better pressure handling capability, improved structural integrity and Reliable Performance in Critical Applications. Industries such as oil & gas, petrochemical, chemical processing, power generation, and offshore installations commonly prefer seamless pipes for critical process applications.
Welded pipes are produced by rolling and welding stainless steel strip or plate. They provide a cost-effective solution for general industrial applications where extreme pressure and temperature conditions are not present. Welded pipes are widely used in water distribution systems, structural applications, food processing facilities, and low-to-medium pressure process lines.
How to Select the Right Stainless Steel Seamless Pipe Grade
Selecting the correct stainless steel seamless pipe grade depends on corrosion exposure, operating temperature, process fluid, and service conditions. Choosing the appropriate grade helps improve service life, reliability, and overall project performance.
| Application | Recommended Grade |
|---|---|
| Water Treatment Systems | SS 304 |
| Food & Beverage Processing | SS 304L |
| General Industrial Piping | SS 304 |
| Chemical Processing Plants | SS 316 |
| Marine & Offshore Applications | SS 316 |
| Pharmaceutical Manufacturing | SS 316L |
| High Temperature Service | SS 321 |
| Heat Exchangers & Boilers | SS 321 / SS 347 |
| Severe Corrosion Conditions | SS 904L |
SS 304 seamless pipes are commonly selected for general industrial applications where excellent Excellent Corrosion Resistance and cost-effective performance are required. SS 316 and SS 316L grades are preferred for chemical processing, marine environments, pharmaceutical facilities, and applications involving chlorides or aggressive chemicals.
For elevated-temperature service, SS 321 and SS 347 provide improved thermal stability, while SS 904L is recommended for highly corrosive environments involving acids and Chemicals and Process Fluids. Consulting the operating conditions, temperature range, and corrosion requirements before selecting a stainless steel pipe grade helps ensure long-term performance and reduced maintenance costs.
Stainless Steel Seamless Pipe Price in India
We offers competitive stainless steel seamless pipe price options for domestic and export requirements. Contact our sales team for a fast stainless steel seamless pipe quotation based on your required size, schedule, quantity, and delivery location.
Looking for the latest stainless steel seamless pipe price per meter? We provide customized pricing and Available for Immediate Dispatch for industrial projects of all sizes.
Factors Affecting Stainless Steel Seamless Pipe Price
- Pipe Size & Outside Diameter (OD)
- Wall Thickness & Schedule
- Length Requirements
- Order Quantity
- Testing & Inspection Requirements
- Surface Finish Requirements
- Current Stainless Steel Market Rates
- Delivery Location
For the latest Stainless Steel Seamless Pipe Price in India, contact Our Team today for an instant quotation and stock availability.
Stainless Steel Seamless Pipe Dimensions Chart
| Nominal Bore (NB) | NPS (Inch) | Outside Diameter (OD) mm | SCH 5S WT (mm) | SCH 10S WT (mm) | SCH 40S WT (mm) | SCH 80S WT (mm) |
|---|---|---|---|---|---|---|
| 3 | 1/8" | 10.3 | 1.24 | 1.24 | 1.73 | 2.41 |
| 6 | 1/4" | 13.7 | 1.24 | 1.65 | 2.24 | 3.02 |
| 10 | 3/8" | 17.1 | 1.24 | 1.65 | 2.31 | 3.20 |
| 15 | 1/2" | 21.3 | 1.65 | 2.11 | 2.77 | 3.75 |
| 20 | 3/4" | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 |
| 25 | 1" | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 32 | 1 1/4" | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 |
| 40 | 1 1/2" | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 |
| 50 | 2" | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 |
| 65 | 2 1/2" | 73.0 | 2.11 | 3.05 | 5.16 | 7.01 |
| 80 | 3" | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 100 | 4" | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 125 | 5" | 141.3 | 2.77 | 3.40 | 6.55 | 9.53 |
| 150 | 6" | 168.3 | 2.77 | 3.40 | 7.11 | 10.97 |
| 200 | 8" | 219.1 | 2.77 | 3.76 | 8.18 | 12.70 |
| 250 | 10" | 273.1 | 3.40 | 4.19 | 9.27 | 12.70 |
| 300 | 12" | 323.9 | 3.96 | 4.57 | 9.52 | 12.70 |
| 350 | 14" | 355.6 | 3.96 | 4.78 | 11.13 | 19.05 |
| 400 | 16" | 406.4 | 4.19 | 4.78 | 12.70 | 21.41 |
| 450 | 18" | 457.2 | 4.19 | 4.78 | 14.27 | 23.80 |
| 500 | 20" | 508.0 | 4.78 | 5.54 | 15.09 | 26.19 |
| 600 | 24" | 609.6 | 5.54 | 6.35 | 17.48 | 30.96 |
Stainless Steel Pipe Weight Chart (Kg/Meter)
| Nominal Bore (NB) | NPS (Inch) | SCH 5S Weight | SCH 10S Weight | SCH 40S Weight | SCH 80S Weight |
|---|---|---|---|---|---|
| 3 | 1/8" | 0.276 | 0.280 | 0.370 | 0.470 |
| 6 | 1/4" | 0.390 | 0.490 | 0.631 | 0.800 |
| 10 | 3/8" | 0.490 | 0.630 | 0.845 | 1.100 |
| 15 | 1/2" | 0.800 | 1.000 | 1.270 | 1.620 |
| 20 | 3/4" | 1.030 | 1.280 | 1.680 | 2.200 |
| 25 | 1" | 1.300 | 2.090 | 2.500 | 3.240 |
| 32 | 1 1/4" | 1.650 | 2.700 | 3.380 | 4.470 |
| 40 | 1 1/2" | 1.910 | 3.110 | 4.050 | 5.410 |
| 50 | 2" | 2.400 | 3.930 | 5.440 | 7.480 |
| 65 | 2 1/2" | 3.690 | 5.260 | 8.630 | 11.400 |
| 80 | 3" | 4.510 | 6.450 | 11.300 | 15.200 |
| 100 | 4" | 5.840 | 8.360 | 16.070 | 22.300 |
| 125 | 5" | 9.470 | 11.570 | 21.800 | 31.970 |
| 150 | 6" | 11.320 | 13.840 | 28.300 | 42.700 |
| 200 | 8" | 14.790 | 19.960 | 42.600 | 64.600 |
| 250 | 10" | 22.630 | 27.780 | 60.500 | 96.000 |
| 300 | 12" | 31.250 | 36.000 | 73.880 | 132.000 |
Stainless steel pipe weight is calculated based on the pipe outside diameter, wall thickness, and stainless steel density. Accurate weight calculation is important for project estimation, structural design, logistics planning, and procurement. Stainless Steel 304 and Stainless Steel 316 seamless pipes are available in multiple schedules including SCH 10, SCH 40, SCH 80, and SCH 160, with weight varying according to wall thickness. For larger diameters and heavy wall pipes, the weight per meter increases significantly. Contact Our Team for a complete Stainless Steel Pipe Weight Chart covering all sizes, schedules, and grades.
Chemical Composition of 304 and 316 Grades
The chemical composition of stainless steel grades plays a major role in Excellent Corrosion Resistance, strength and service performance. 304 and 316 are the most popular grades for general and corrosive applications.
| Grade | Cr % | Ni % | Mo % | C % | Mn % | Si % | P % | S % |
|---|---|---|---|---|---|---|---|---|
| 304 / 304L | 18.0–20.0 | 8.0–13.0 | — | 0.08 max / 0.03 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max |
| 316 / 316L | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | 0.08 max / 0.03 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max |
Chemical Composition of High-Temperature Grades
Grades such as 310, 321, 347 and their H versions are designed for elevated-temperature service and improved structural stability. They are widely used in furnaces, heat exchangers and thermal process systems.
Chemical Composition of 904L Grade
904L contains higher nickel and molybdenum content than standard austenitic grades. This gives it excellent resistance to strong acids and severe corrosive environments.
| Grade | Cr % | Ni % | Mo % | C % | Mn % | Si % | P % | S % |
|---|---|---|---|---|---|---|---|---|
| 904L | 19.0–23.0 | 23.0–28.0 | 4.0–5.0 | 0.02 max | 2.0 max | 1.0 max | 0.045 max | 0.035 max |
Mechanical Properties of Stainless Steel Seamless Pipes
Tensile Strength
Tensile strength indicates how much stress the pipe can withstand before breaking. Stainless Steel Seamless Pipes generally provide strong tensile performance, making them suitable for pressure and structural applications.
Yield Strength
Yield strength shows the point at which the pipe begins to deform permanently. Good yield strength is important for reliable performance in piping systems exposed to internal pressure and load.
Elongation
Elongation reflects ductility and the pipe’s ability to bend or form without failure. Higher elongation is preferred in fabrication, installation and process service.
| Grade | Tensile Strength (MPa, min) | Yield Strength (MPa, min) | Elongation (% min) |
|---|---|---|---|
| SS 304 | 515 | 205 | 40% |
| SS 304L | 485 | 170 | 40% |
| SS 316 | 515 | 205 | 40% |
| SS 316L | 485 | 170 | 40% |
| SS 321 | 515 | 205 | 40% |
| SS 904L | 490 | 220 | 35% |
Stainless Steel Seamless Pipe Standards
| ASTM Standards | ASME Standards | ANSI Standards |
|---|---|---|
| ASTM A312 Pipe | ASME B36.19M | ANSI B36.19 |
| ASTM A358 Pipe | ASME SA312 | - |
| ASTM A790 | ASME SA790 | - |
| ASTM A409 | - | - |
Schedule 40 and Schedule 80 Seamless Pipes
Schedule 40 and Schedule 80 are among the most commonly used thickness ranges in industrial piping. Schedule 40 is suitable for general applications, while Schedule 80 offers thicker walls for higher pressure and demanding service conditions.
Schedule 40S & Schedule 80S Stainless Steel Seamless Pipe Chart
| Pipe Size | Outside Diameter | SCH 40S WT | SCH 80S WT |
|---|---|---|---|
| 1/8" | 10.3 mm | 1.73 mm | 2.41 mm |
| 1/4" | 13.7 mm | 2.24 mm | 3.02 mm |
| 3/8" | 17.1 mm | 2.31 mm | 3.20 mm |
| 1/2" | 21.3 mm | 2.77 mm | 3.73 mm |
| 3/4" | 26.7 mm | 2.87 mm | 3.91 mm |
| 1" | 33.4 mm | 3.38 mm | 4.55 mm |
| 1 1/4" | 42.2 mm | 3.56 mm | 4.85 mm |
| 1 1/2" | 48.3 mm | 3.68 mm | 5.08 mm |
| 2" | 60.3 mm | 3.91 mm | 5.54 mm |
| 2 1/2" | 73.0 mm | 5.16 mm | 7.01 mm |
| 3" | 88.9 mm | 5.49 mm | 7.62 mm |
| 4" | 114.3 mm | 6.02 mm | 8.56 mm |
| 5" | 141.3 mm | 6.55 mm | 9.52 mm |
| 6" | 168.3 mm | 7.11 mm | 10.97 mm |
| 8" | 219.1 mm | 8.18 mm | 12.70 mm |
| 10" | 273.0 mm | 9.27 mm | 12.70 mm |
| 12" | 323.9 mm | 9.52 mm | 12.70 mm |
| 14" | 355.6 mm | 9.52 mm | 12.70 mm |
| 16" | 406.4 mm | 9.52 mm | 12.70 mm |
| 18" | 457.2 mm | 9.52 mm | 12.70 mm |
| 20" | 508.0 mm | 9.52 mm | 12.70 mm |
| 24" | 609.6 mm | 9.52 mm | 12.70 mm |
Difference Between SCH 40S and SCH 80S Pipes
| Property | SCH 40S | SCH 80S |
|---|---|---|
| Wall Thickness | Standard | Heavy |
| Pressure Capacity | Medium Pressure | High Pressure |
| Weight | Lower | Higher |
| Strength | Moderate | Superior |
| Application Type | General Industrial Use | Heavy-Duty Industrial Use |
| Common Industries | Water, food, pharma | Oil & gas, refinery, petrochemical |
Stainless Steel Seamless Pipe Manufacturing Process
SS Seamless Pipes are manufactured from stainless steel billets using hot extrusion and rotary piercing techniques. Since no welding is involved, the pipes offer excellent strength, pressure resistance, and reliability for critical industrial applications.
| Step 1 | Raw Material Selection |
|---|---|
| Step 2 | Billet Heating |
| Step 3 | Rotary Piercing |
| Step 4 | Pipe Rolling & Elongation |
| Step 5 | Heat Treatment |
| Step 6 | Sizing & Straightening |
| Step 7 | Testing & Inspection |
| Step 8 | Finishing & Packaging |
Exporter of Stainless Steel Seamless Pipes Worldwide
Kamal Steels is a trusted exporter of SS Seamless Pipes, supplying ASTM A312 TP304, TP304L, TP316, TP316L, TP321, TP310S, Duplex, and Super Duplex Pipes to customers across multiple international markets. We offer Stock Available for Fast Delivery, competitive pricing, MTC certification, third-party inspection, and export-quality packaging for global projects.
Countries We Export SS Seamless Pipes To:
- United Arab Emirates (UAE)
- Saudi Arabia
- Oman
- Qatar
- Kuwait
- Bahrain
- Egypt
- South Africa
- Nigeria
- Singapore
- Malaysia
- Indonesia
- Australia
Our SS Seamless Pipes are widely used in oil & gas, petrochemical, chemical processing, power generation, marine, desalination, and water treatment industries. With extensive export experience and efficient logistics support, we ensure timely deliveries and complete documentation for international shipments.
Benefits of High Pressure Stainless Steel Piping
| Feature | Benefit |
|---|---|
| Seamless Construction | No welded joint for improved structural integrity |
| High Pressure Resistance | Suitable for demanding pressure applications |
| Excellent Strength | Uniform structure provides reliable performance |
| Leak Resistance | Reduced risk of leakage in critical systems |
| High Temperature Performance | Suitable for elevated temperature service conditions |
| Corrosion Resistance | Excellent resistance in aggressive environments |
| Long Service Life | Durable and reliable for long-term operation |
| Critical Applications | Ideal for process industries and power industries |
Stainless steel seamless pipes are preferred where reliability, pressure resistance and long-term performance are critical. Their seamless construction makes them a trusted choice for industrial applications requiring maximum safety and durability.
Applications of Stainless Steel Seamless Pipes
Stainless steel seamless pipes are widely used in industries that require corrosion resistance, pressure handling capability, and long-term reliability. Their seamless construction makes them suitable for transporting liquids, gases, steam, and chemicals under demanding operating conditions.
| Industry | Typical Applications |
|---|---|
| Oil & Gas | Process piping, transmission lines, refinery systems |
| Petrochemical | Chemical transfer and processing systems |
| Power Generation | Boiler tubes, steam lines, heat exchangers |
| Water Treatment | Desalination and water distribution systems |
| Pharmaceutical | Hygienic process piping and fluid transfer |
| Food Processing | Sanitary piping systems and equipment |
| Marine | Seawater handling and offshore installations |
| Chemical Processing | Corrosive fluid and chemical transportation |
Features of Stainless Steel Seamless Pipes
- Excellent corrosion and oxidation resistance
- Seamless construction for improved strength
- Suitable for high-pressure applications
- Reliable performance at elevated temperatures
- Long service life with low maintenance
- Available in multiple grades and schedules
- Excellent dimensional accuracy and finish
- Suitable for critical industrial applications
Packaging, Testing & Inspection
All stainless steel seamless pipes supplied by Kamal Steels undergo quality inspection and testing procedures to ensure compliance with ASTM and ASME specifications.
- Mill Test Certificates (EN 10204 3.1)
- Hydrostatic Testing
- PMI (Positive Material Identification)
- Ultrasonic Testing
- Third-Party Inspection Support
- Export Quality Packing
- Plastic End Caps Protection
- Wooden Boxes, Bundles & Sea-Worthy Packaging
Industries We Serve
Our stainless steel seamless pipes are supplied to EPC contractors, refineries, petrochemical plants, power projects, pharmaceutical manufacturers, food processing facilities, marine operators, water treatment companies and infrastructure projects across India and international markets.
Why Choose Kamal Steels?
Kamal Steels has been supplying SS Seamless Pipes to industrial customers since 1984. Our focus on quality, inventory availability, technical support, and customer satisfaction has made us a trusted source for stainless steel piping products in India and international markets.
- Manufacturing & Supply Experience Since 1984
- Extensive Ready Stock Availability
- ASTM, ASME & International Standards Compliance
- Mill Test Certificates & Traceability
- Third-Party Inspection Support
- Fast Delivery for Domestic & Export Orders
- Technical Assistance for Grade Selection
- Competitive Pricing & Reliable Service
Need Stainless Steel Seamless Pipes for your project?
Our team can help you select the correct grade, size, schedule and specification based on your application requirements. Contact us today for pricing, stock availability and delivery schedules.
Frequently Asked Questions
A stainless steel seamless pipe is manufactured from a solid stainless steel billet without any welded seam. The seamless construction provides superior strength, improved pressure resistance and enhanced reliability compared to welded pipes, making it suitable for critical industrial applications.
Seamless pipes are produced without a weld joint, while welded pipes are manufactured by welding stainless steel strip or plate. Seamless pipes generally offer higher pressure capacity, better structural integrity, and improved performance in demanding service conditions.
ASTM A312 stainless steel seamless pipes are commonly used in Refineries, process plants, power generation facilities and industrial piping systems industries for transporting liquids, gases, steam, and corrosive process fluids.
SS 304 seamless pipes are suitable for general industrial applications and offer excellent corrosion resistance at an economical cost. SS 316 seamless pipes contain molybdenum, providing improved resistance to chlorides, chemicals, and seawater, making them ideal for marine and chemical processing applications.
Stainless steel seamless pipes are typically available from 1/8" NB to 24" NB in various schedules including SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160 and XXS. Custom sizes may also be available based on project requirements.
Stainless steel seamless pipes are widely used in refineries, petrochemical plants, power stations, pharmaceutical facilities, food processing industries, marine installations, desalination projects and water treatment systems where corrosion resistance and reliability are important.
Because seamless pipes do not have a welded joint, they provide uniform strength throughout the pipe wall. This improves pressure handling capability and reduces the risk of failure in high-pressure and high-temperature operating conditions.
Yes. Stainless steel seamless pipes offer excellent corrosion resistance due to their chromium content. Grades such as SS 316 provide additional resistance against chlorides, chemicals and marine environments, making them suitable for aggressive service conditions.
Stainless steel seamless pipes can be supplied with Mill Test Certificates (MTC) as per EN 10204 3.1, PMI reports, hydro test certificates and third-party inspection reports depending on customer and project requirements.
The correct grade depends on operating temperature, pressure, corrosion exposure and process fluid. SS 304 is suitable for general industrial applications, SS 316 for corrosive environments, SS 321 for high-temperature service and SS 904L for severe corrosion conditions.