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Girgaon, Mumbai - 400004
Stainless Steel 310H Welded Pipes
Stainless Steel 310H Welded Pipe Manufacturer & Stockist in India
High-temperature processing industries require piping materials that can maintain their mechanical strength and structural integrity during prolonged exposure to extreme heat. Kamal Steels manufactures and stocks Stainless Steel 310H Welded Pipes designed for demanding thermal service applications where conventional stainless steel grades may not deliver consistent long-term performance. Manufactured in accordance with ASTM A312 and ASME SA312 standards using Stainless Steel 310H (UNS S31009), our welded pipes provide excellent oxidation resistance, enhanced creep strength, and outstanding durability under elevated operating temperatures.
Unlike standard SS 310 and low-carbon SS 310S, Stainless Steel 310H features a controlled higher carbon content that improves its resistance to creep deformation and stress rupture during continuous high-temperature service. These characteristics make SS 310H Welded Pipes an excellent choice for heat treatment plants, refinery process units, petrochemical facilities, boilers, furnace components, radiant tubes, and power generation equipment operating under severe thermal conditions.
Every Stainless Steel 310H Welded Pipe manufactured by Kamal Steels is produced from certified raw materials and subjected to rigorous quality inspections to verify weld integrity, dimensional accuracy, and material compliance. Supported by extensive ready stock, project-specific manufacturing capabilities, and timely delivery, we supply high-performance welded piping solutions for industrial projects across India and international markets.
Stainless Steel 310H Welded Pipe Specifications
| Product | Stainless Steel 310H Welded Pipe |
|---|---|
| Material Grade | SS 310H (UNS S31009) |
| Standards | ASTM A312, ASTM A358, ASME SA312, ASME SA358 |
| Outside Diameter | 1/8" NB to 24" NB (6 mm to 610 mm) |
| Wall Thickness | SCH 5S to SCH XXS |
| Length | Single Random, Double Random & Custom Cut Length |
| Pipe Type | Welded, ERW, EFW & Fabricated |
| End Type | Plain End, Beveled End, Threaded |
| Surface Finish | Annealed & Pickled, Bright Annealed (BA), 2B, No.1, Polished |
| Testing | Hydro Test, PMI, Radiography, Flattening Test, EN 10204 3.1 Mill Test Certificate |
Features & Benefits of Stainless Steel 310H Welded Pipes
Applications of Stainless Steel 310H Welded Pipes
Stainless Steel 310H Welded Pipes are designed for applications involving continuous exposure to high temperatures and oxidizing atmospheres. Their superior mechanical strength and enhanced creep resistance make them suitable for critical industrial operations.
Available Size Range
Available Pipe Schedules
| Pipe Schedule | Availability |
|---|---|
| SCH 5S | ✔ Available |
| SCH 10S | ✔ Available |
| SCH 20 | ✔ Available |
| SCH 40S | ✔ Available |
| SCH 60 | ✔ Available |
| SCH 80S | ✔ Available |
| SCH 120 | ✔ Available |
| SCH 160 | ✔ Available |
| XS | ✔ Available |
| XXS | ✔ Available |
Surface Finish of Stainless Steel 310H Welded Pipes
Kamal Steels supplies Stainless Steel 310H Welded Pipes in a variety of surface finishes to suit high-temperature and industrial applications. Every finish is processed to provide improved corrosion resistance, durability, and excellent weld quality.
| Surface Finish | Description |
|---|---|
| Annealed & Pickled (AP) | Removes heat treatment scale and improves corrosion resistance. |
| Bright Annealed (BA) | Bright and smooth finish produced in a controlled atmosphere. |
| 2B Finish | Cold rolled finish suitable for fabrication and industrial use. |
| No.1 Finish | Hot rolled, annealed and pickled finish for high-temperature service. |
| Polished Finish | Available in multiple grit finishes for decorative and process industries. |
Manufacturing Standards
Our Stainless Steel 310H Welded Pipes are manufactured according to internationally recognized standards to ensure dimensional accuracy, excellent mechanical strength, and reliable performance in critical industrial applications.
| Standard | Description |
|---|---|
| ASTM A312 | Seamless, Welded and Cold Worked Austenitic Stainless Steel Pipes. |
| ASME SA312 | Pressure Piping Specification. |
| ASTM A358 | Electric Fusion Welded Stainless Steel Pipes. |
| ASTM A778 | Welded Austenitic Stainless Steel Tubular Products. |
| ASME B36.19M | Dimensions for Stainless Steel Pipes. |
| ASME B36.10M | Dimensions for Welded and Seamless Steel Pipes. |
Stainless Steel 310H Welded Pipe Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.04 – 0.10 |
| Manganese (Mn) | 2.00 Max |
| Silicon (Si) | 1.50 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.030 Max |
| Chromium (Cr) | 24.00 – 26.00 |
| Nickel (Ni) | 19.00 – 22.00 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 310H Welded Pipe
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa Minimum |
| Yield Strength (0.2% Offset) | 205 MPa Minimum |
| Elongation | 40% Minimum |
| Hardness | 95 HRB Maximum |
| Density | 7.9 g/cm³ |
| Melting Range | 1400 – 1450°C |
Equivalent Grades of Stainless Steel 310H Welded Pipe
| Standard | Grade |
|---|---|
| ASTM / ASME | 310H |
| UNS | S31009 |
| Werkstoff No. | 1.4845 |
| EN | X8CrNi25-21 |
| JIS | SUS 310H |
Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 310H Welded Pipes, offering premium-quality products for high-temperature and pressure applications. Our pipes are manufactured using certified raw materials, tested to international standards, and supplied with complete inspection documentation. With competitive pricing, ready stock, and timely delivery, we serve customers across India and global markets with reliable piping solutions.
Frequently Asked Questions
Stainless Steel 310H Welded Pipe is a high-carbon austenitic stainless steel pipe designed for elevated temperature service. It offers excellent creep strength, oxidation resistance, and long-term durability.
SS 310H has a higher carbon content than standard SS 310, providing improved high-temperature strength and creep resistance for prolonged service at elevated temperatures.
Our Stainless Steel 310H Welded Pipes are manufactured according to ASTM A312, ASTM A358, ASME SA312, ASTM A778, and ASME B36.19M standards.
We supply SS 310H Welded Pipes from 1/8" NB to 24" NB in multiple schedules, wall thicknesses, and customized lengths.
These pipes are widely used in furnaces, boilers, heat exchangers, refineries, petrochemical plants, power plants, cement plants, and chemical processing industries.
Yes. SS 310H is specifically designed for continuous high-temperature applications where superior creep resistance and oxidation resistance are required.
Every pipe undergoes Hydrostatic Testing, PMI, Radiographic Testing, Dimensional Inspection, Visual Inspection, and other quality tests before delivery.
Yes. All Stainless Steel 310H Welded Pipes are supplied with EN 10204 3.1 Mill Test Certificates, and third-party inspection is available upon request.
Yes. We offer customized diameters, wall thicknesses, schedules, lengths, end preparations, and surface finishes according to project requirements.
Kamal Steels offers premium-quality SS 310H Welded Pipes with certified materials, competitive prices, ready stock, strict quality control, prompt delivery, and reliable export services worldwide.