Stainless Steel Pipe Manufacturers in india

Choosing The Right Stainless Steel Pipe Manufacturer Can Directly Affect Project Timelines, Maintenance Costs, Product Performance And Long-Term Reliability. Kamal Steels Is A Stainless Steel Pipe Manufacturer In India And Also Serves As A Stockist, Supplier And Exporter Of Stainless Steel Pipes And Tubes For Industrial Applications Across India And International Markets.

Our Product Range Includes Stainless Steel Seamless Pipes, Welded Pipes, ERW Pipes And Precision Tubes In Widely Used Grades Such As 304/304L, 316/316L, 321, 310, 317L, 904L, Duplex And Super Duplex. We Support Industrial Buyers With Clear Technical Specifications, Material Testing Documentation And Traceability Where Required.

Based In Mumbai, India, Kamal Steels Supplies Stainless Steel Pipes And Tubes To EPC Contractors, Fabricators, Engineering Companies, Distributors And End Users. We Support Standard Requirements, Repeat Orders And Project-Specific Applications Across Key Industrial Sectors In India And International Markets.

When Selecting A Stainless Steel Pipe Manufacturer Or Supplier In India, Buyers Commonly Evaluate Material Grade, Manufacturing Standards, Dimensions, Availability, Test Certificates, Traceability, Price And Delivery Capability. Kamal Steels Helps Simplify This Process By Providing Clear Product Information And Technical Support To Help Buyers Select Suitable Stainless Steel Pipes And Tubes For Their Applications.

Explore Our Stainless Steel Pipe Grades, Specifications, Standards, Types, Seamless And Welded Pipe Options, Sizes, Dimensions, Applications, Quality Processes And Supply Capabilities To Make An Informed Purchasing Decision.

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Stainless Steel Pipes

Stainless Steel Pipe Manufacturer & Stockist

When evaluating Stainless Steel Pipe Suppliers, buyers should look beyond product availability and consider factors that can affect the suitability and reliability of the material for their application. Key considerations include manufacturing method, dimensional requirements, applicable specifications and service conditions.

The required pipe should be selected according to factors such as outside diameter, wall thickness, schedule, length, pressure, temperature and corrosion exposure. These requirements help determine the appropriate product for process, fabrication and piping applications.

Documentation and inspection requirements may also form an important part of procurement. Depending on the project, buyers may require material test certificates, chemical composition, mechanical test results, dimensional inspection, surface examination and material traceability.

For larger or recurring requirements, procurement teams may also consider stock availability, order quantities, inspection requirements, documentation, packaging and delivery schedules. Defining these requirements before placing an order can help streamline purchasing and reduce delays.

Stainless Steel Pipe Specifications

Stainless steel pipe specifications cover the material, dimensions and technical requirements used to identify and order a pipe. The exact requirements depend on the pipe type, application and project specification.

Specification Typical Requirements / Options
Material Grade 304, 304L, 316, 316L, 321, 310, 317L, 904L, Duplex and Super Duplex
Pipe Type Seamless, welded and ERW stainless steel pipe
Nominal Pipe Size Specified according to NPS / NB requirements
Outside Diameter Selected according to the required nominal size and applicable dimensional specification
Wall Thickness Selected according to schedule, design pressure, temperature and application requirements
Pipe Schedule Common schedules include 5S, 10S, 40S, 80S, 160S and XXS, depending on size and applicable requirements
Pipe Length Standard or specified lengths according to purchase requirements
End Finish Plain end, bevelled end or threaded end, where applicable
Surface Finish Finish requirements depend on manufacturing method, application and project specification
Dimensional Tolerance Outside diameter, wall thickness and length tolerances according to the applicable product requirements
Testing & Inspection May include chemical analysis, mechanical testing, dimensional inspection, hydrostatic testing and non-destructive testing, as applicable
Documentation Material test certificates, inspection documentation and traceability records where specified

Stainless Steel Pipe Standards

Stainless steel pipes are manufactured and supplied according to different material and dimensional standards depending on their intended application. The applicable specification should be confirmed against the purchase order and project requirements.

Standard Coverage Typical Application / Grades
ASTM A312 / ASME SA312 Seamless, welded and heavily cold-worked austenitic stainless steel pipe High-temperature and general corrosive service; commonly includes TP304, TP304L, TP316 and TP316L
ASTM A790 / ASME SA790 Seamless and welded ferritic/austenitic stainless steel pipe Duplex stainless steel applications requiring high strength and resistance to pitting, crevice corrosion and stress-corrosion cracking
ASTM A213 / ASME SA213 Seamless ferritic and austenitic alloy-steel boiler, superheater and heat-exchanger tubes Primarily a tube specification; applicable to specified heat-exchanger, boiler and high-temperature tube applications
ASTM A554 Welded austenitic stainless steel mechanical tubing Round, square and rectangular tubing for mechanical, structural, architectural and decorative applications
ASME B36.19M Dimensional standards for stainless steel pipe Nominal pipe sizes, outside diameters and wall thicknesses for applicable stainless steel pipe schedules
ASTM A999/A999M General requirements for alloy and stainless steel pipe and tube products Referenced where applicable together with the specific product specification

Important: The applicable material, dimensional, testing and inspection requirements should always be confirmed against the relevant product specification, purchase order and project requirements.

Types of Stainless Steel Pipes

Stainless Steel Pipes are available in different types based on their manufacturing process and shape. The most common options include seamless, welded, ERW, round and square pipes, selected according to the application and project requirements.

Type Key Information Common Applications
Stainless Steel Seamless Pipe Manufactured without a longitudinal welded seam and commonly used where seamless construction is required. Oil & gas, petrochemical, chemical and process piping
Stainless Steel Welded Pipe Manufactured by forming stainless steel material and joining the seam by welding. Industrial piping, chemical processing and water systems
Stainless Steel ERW Pipe Produced using electric resistance welding and available in different sizes and wall thicknesses. General industrial and fabrication applications
Stainless Steel Round Pipe Circular pipe commonly used for fluid handling and general piping requirements. Process piping, fluid handling and engineering applications
Stainless Steel Square Pipe Square-profile pipe commonly selected for fabrication and structural requirements. Architectural, structural and fabrication applications

Stainless Steel Pipe Schedule Chart

Stainless steel pipe schedule indicates the wall thickness for a given nominal pipe size. Common schedules include 5S, 10S, 40S, 80S, 160S and XXS. The applicable schedule depends on the required dimensions and service conditions.

Schedule Common Description Typical Use
5S Light wall Light-duty piping applications
10S Light wall General industrial and process piping
40S Standard wall range General industrial and process applications
80S Heavy wall Higher pressure applications
160S Extra heavy wall High-pressure service applications
XXS Extra-extra heavy wall Specified heavy-duty applications

Stainless Steel Pipe Weight Chart

Stainless Steel Pipe Weight depends mainly on the outside diameter, wall thickness, material density and pipe length. The following chart provides representative theoretical weights for common pipe sizes.

Nominal Size Outside Diameter (mm) Wall Thickness (mm) Approx. Weight (kg/m)
1/2" 21.3 2.77 1.28
1" 33.4 3.38 2.59
2" 60.3 3.91 5.52
3" 88.9 5.49 11.53
4" 114.3 6.02 16.08
6" 168.3 7.11 28.26

Actual weight may vary according to grade, dimensions, manufacturing tolerance and specified wall thickness. For purchasing and shipment calculations, refer to the Stainless Steel Pipe Weight Calculator.

Stainless Steel Square Pipe Weight Chart

Stainless steel square pipe weight is primarily determined by the outside dimensions, wall thickness, material density and length. The chart below provides representative weight values for common square pipe sizes.

Square Pipe Size (mm) Wall Thickness (mm) Approx. Weight (kg/m)
20 × 20 1.5 0.87
25 × 25 1.5 1.11
40 × 40 2.0 2.40
50 × 50 2.0 3.04
75 × 75 3.0 6.65
100 × 100 3.0 9.00

Square pipe weight can vary with grade, wall thickness, dimensional tolerance and manufacturing requirements. For exact weight calculations, use the actual dimensions specified for the required product.

Stainless Steel Pipe Sizes

Stainless Steel Pipe Sizes are generally specified by nominal pipe size (NPS) or nominal bore (NB), along with the outside diameter and wall thickness. The required size depends on flow requirements, pressure conditions and piping design.

Nominal Pipe Size (NPS) Nominal Bore (NB) Outside Diameter (mm)
1/2" 15 21.3
1" 25 33.4
2" 50 60.3
3" 80 88.9
4" 100 114.3
6" 150 168.3
8" 200 219.1
10" 250 273.0
12" 300 323.9

Stainless steel pipes are available in different wall thicknesses and schedules for the same nominal size. The final dimensions should be selected according to the applicable standard and project requirements.

Stainless Steel Pipe Grades We Supply

Stainless steel pipe grades are selected according to corrosion resistance, temperature, strength and the operating environment. Kamal Steels supplies commonly used austenitic, high-alloy and duplex stainless steel grades for different industrial requirements.

Stainless Steel Grade Grade Type Key Characteristics Common Applications
304 / 304L Austenitic Good general corrosion resistance and formability Food processing, chemical, architectural and general industrial applications
316 / 316L Austenitic Enhanced resistance to chlorides and corrosive environments Marine, chemical, pharmaceutical and process industries
321 Austenitic Good resistance to intergranular corrosion at elevated temperatures Heat exchangers, aerospace and high-temperature applications
310 / 310S Austenitic High-temperature oxidation and corrosion resistance Furnaces, heat-treatment equipment and high-temperature service
317L Austenitic Higher corrosion resistance than conventional 316L in selected environments Chemical processing and corrosive service applications
904L High-Alloy Austenitic High resistance to severe corrosive environments Chemical processing, marine and specialized industrial applications
Duplex Ferritic-Austenitic High strength with good resistance to corrosion and stress-corrosion cracking Oil & gas, petrochemical, marine and process industries
Super Duplex Ferritic-Austenitic Very high strength and enhanced resistance to pitting and crevice corrosion Offshore, marine, chemical and demanding process applications

Stainless Steel Pipe Quality & Testing

Stainless steel pipe quality is verified through applicable inspection and testing requirements to confirm that the supplied material meets the specified product and project requirements.

Depending on the order specification, quality checks may include chemical composition, mechanical properties, dimensional inspection, surface inspection and hydrostatic testing. Non-destructive testing may also be applicable for specified products and requirements.

Material documentation can include Material Test Certificates (MTCs), inspection reports and traceability records, where required. These documents help buyers verify the material grade, test results and conformity with the applicable specification.

stainless-steel-pipe-quality-testing

Stainless Steel Pipe Price in India

Stainless steel pipe prices in India vary according to the grade, pipe type, size, wall thickness, schedule, quantity and market conditions. Seamless and high-alloy grades may have different pricing from standard welded pipes and commonly used grades.

Price Factor How It Affects Price
Grade Higher-alloy grades generally have higher material costs.
Pipe Type Seamless, welded and ERW pipes can have different pricing.
Size & Wall Thickness Dimensions and material quantity affect the overall cost.
Quantity Order volume can influence the quoted price.
Market Conditions Raw material and stainless steel market prices can affect quotations.

For an accurate quotation, buyers should provide the required grade, size, wall thickness or schedule, pipe type, quantity and delivery requirements.

Seamless vs Welded Stainless Steel Pipe

Seamless and welded stainless steel pipes differ mainly in their manufacturing process. The appropriate option depends on the required application, dimensions, service conditions and applicable specification.

Feature Seamless Pipe Welded Pipe
Manufacturing Produced without a longitudinal welded seam. Produced by forming material and welding the seam.
Size Availability Available in specified sizes and wall thicknesses. Available in a wide range of sizes and dimensions.
Typical Use Pressure, temperature and demanding service applications. General industrial, process and fabrication applications.
Selection Selection should be based on application requirements and the applicable product specification.

Stainless Steel Pipe HSN Code

Stainless steel pipe HSN classification is used for taxation and customs documentation in India. The applicable HSN code can vary according to the product type, material and applicable tariff classification.

Buyers should confirm the correct HSN classification with their tax advisor, customs documentation or the applicable Indian tariff schedule before invoicing or importing.

How to Select the Right Stainless Steel Pipe

Selecting the right stainless steel pipe requires matching the material and dimensions with the actual service conditions and project requirements.

Consideration What to Check
Application Process, fluid handling, structural or fabrication requirement.
Grade Corrosion resistance, temperature and required mechanical performance.
Pipe Type Seamless, welded or ERW based on the application and specification.
Size & Thickness Required diameter, wall thickness and schedule.
Standard Applicable ASTM, ASME, EN, DIN or project specification.
Testing & Documentation MTC, inspection and testing requirements where applicable.

Stainless Steel Pipe Applications & Industries

Stainless steel pipes are used across industries where corrosion resistance, durability and reliable performance are required. The appropriate grade and pipe type depend on the operating environment.

Industry Common Applications
Oil & Gas Process piping and fluid transportation.
Petrochemical Process and corrosive-service piping.
Chemical Corrosive fluid and process systems.
Pharmaceutical Process and hygienic piping systems.
Food & Beverage Processing and fluid handling systems.
Power Generation Process, utility and high-temperature applications.
Marine Applications exposed to marine and chloride environments.

Why Choose Kamal Steels for Stainless Steel Pipes?

Kamal Steels supports industrial buyers with stainless steel pipe sourcing, product selection and supply requirements for domestic and international projects.

Product Range Stainless steel pipes and tubes in commonly required grades and types.
Technical Support Product information based on grade, size, specification and application.
Documentation Quality and material documentation according to order requirements.
Supply Support Support for standard orders, project requirements and repeat procurement.
International Supply Supply support for buyers in India and international markets.

Frequently Asked Questions

Stainless Steel 316 contains molybdenum, which generally provides better resistance to chlorides and corrosive environments than Stainless Steel 304. Grade 304 is commonly used for general industrial applications, while 316 is often selected for marine, chemical and chloride-containing environments.

Stainless steel pipe cost depends on the grade, pipe type, size, wall thickness, schedule, quantity and prevailing raw material prices. For an accurate quotation, the required specifications and quantity should be provided.

Strength depends on the stainless steel grade, pipe type and wall thickness. Duplex and Super Duplex grades generally provide higher strength than commonly used austenitic grades such as 304 and 316.

Stainless steel pipe can be cut using equipment such as band saws, abrasive saws and other suitable cutting tools. The method should be selected according to the pipe size, wall thickness and required finish.

Schedule 40 refers to a specified wall thickness for a particular nominal pipe size. The actual wall thickness varies according to the pipe size and should be checked against the applicable dimensional standard.

Stainless steel is highly corrosion resistant but is not completely rust proof. Corrosion resistance depends on the grade, surface condition and service environment. Proper grade selection and maintenance can help improve service life.

Stainless steel pipes are generally specified by nominal pipe size and schedule, while tubes are commonly specified by outside diameter and wall thickness. Their dimensional standards and applications can also differ.

Stainless steel pipes can be welded using suitable processes such as TIG or other qualified welding methods. The welding procedure depends on the stainless steel grade, wall thickness, joint design and application.

The required pipe size depends on factors such as flow rate, pressure, temperature, fluid characteristics and piping design. Nominal size, outside diameter and wall thickness should be selected according to project requirements.

Seamless stainless steel pipe is manufactured without a longitudinal welded seam, while welded pipe is produced by forming stainless steel material and joining the seam by welding. The suitable type depends on the application and applicable specification.

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