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Girgaon, Mumbai - 400004
Stainless Steel 316H Welded Pipes
Stainless Steel 316H Welded Pipe Manufacturer & Stockist in India
Industrial process plants operating at elevated temperatures require piping materials that combine excellent corrosion resistance with dependable mechanical strength. Kamal Steels manufactures and stocks Stainless Steel 316H Welded Pipes for demanding applications where prolonged exposure to heat, pressure and corrosive media is common. Manufactured in accordance with ASTM A312 and ASME SA312 standards using Stainless Steel 316H (UNS S31609 / WNR 1.4919), our welded pipes are engineered to deliver superior creep strength, oxidation resistance and long-term structural stability under high-temperature operating conditions.
Unlike conventional SS 316 grades, Stainless Steel 316H features a controlled higher carbon content that enhances its strength and resistance to creep during continuous elevated-temperature service while retaining the excellent corrosion resistance provided by its chromium, nickel and molybdenum composition. These characteristics make SS 316H Welded Pipes a preferred choice for boilers, heat exchangers, pressure vessels, refineries, petrochemical plants, power generation facilities and high-temperature process piping systems where reliability is essential.
Every Stainless Steel 316H Welded Pipe manufactured by Kamal Steels is produced using certified raw materials and subjected to stringent quality inspections, including weld quality verification, dimensional inspection, hydrostatic testing and material traceability. Supported by extensive ready stock, project-specific manufacturing capabilities and prompt delivery, we provide dependable welded piping products for industrial projects across India and international markets.
Stainless Steel 316H Welded Pipe Specifications
| Product | Stainless Steel 316H Welded Pipe |
|---|---|
| Material Grade | SS 316H (UNS S31609) |
| 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 (AP), 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 316H Welded Pipes
Applications of Stainless Steel 316H Welded Pipes
Stainless Steel 316H Welded Pipes are widely used in high-temperature industrial applications requiring superior creep strength, oxidation resistance, and corrosion resistance.
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 316H Welded Pipes
Stainless Steel 316H Welded Pipes are available in multiple surface finishes to meet the requirements of high-temperature processing, chemical plants, refineries, and heavy industrial applications. Each finish is processed to improve corrosion resistance, durability, and appearance.
| Surface Finish | Description |
|---|---|
| Annealed & Pickled (AP) | Heat treated and pickled to remove scale while improving corrosion resistance. |
| Bright Annealed (BA) | Bright, smooth finish produced in a controlled atmosphere. |
| 2B Finish | Cold rolled finish suitable for industrial fabrication. |
| No.1 Finish | Hot rolled, annealed and pickled finish for heavy-duty industrial service. |
| Polished Finish | Available in various grit finishes for process and decorative applications. |
Manufacturing Standards
Our Stainless Steel 316H Welded Pipes are manufactured according to internationally recognized specifications to ensure excellent dimensional accuracy, high-temperature strength, and long-term reliability.
| Standard | Description |
|---|---|
| ASTM A312 | Seamless, Welded and Heavily Cold Worked Austenitic Stainless Steel Pipes. |
| ASME SA312 | Pressure Piping Specification. |
| ASTM A358 | Electric Fusion Welded Austenitic 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 316H Welded Pipe Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.04 – 0.10 |
| Manganese (Mn) | 2.00 Max |
| Silicon (Si) | 0.75 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.030 Max |
| Chromium (Cr) | 16.00 – 18.00 |
| Nickel (Ni) | 10.00 – 14.00 |
| Molybdenum (Mo) | 2.00 – 3.00 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 316H 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 | 8.0 g/cm³ |
| Melting Range | 1375 – 1400°C |
Equivalent Grades of Stainless Steel 316H Welded Pipe
| Standard | Grade |
|---|---|
| ASTM / ASME | 316H |
| UNS | S31609 |
| Werkstoff No. | 1.4919 |
| EN | X6CrNiMo17-12-2 |
| JIS | SUS 316H |
| ISO | 316H |
Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 316H Welded Pipes for high-temperature and pressure applications. Our pipes are manufactured using certified raw materials and advanced production techniques to deliver exceptional creep strength, corrosion resistance, and dimensional accuracy. Every product is supplied with complete quality documentation, competitive pricing, ready stock availability, and timely delivery to customers across India and international markets.
Frequently Asked Questions
Stainless Steel 316H Welded Pipe is a high-carbon version of SS 316 specifically developed for elevated temperature applications requiring improved creep strength and oxidation resistance.
SS 316H contains a higher carbon content than standard SS 316, providing improved high-temperature strength and creep resistance while maintaining excellent corrosion resistance.
Our SS 316H Welded Pipes are manufactured according to ASTM A312, ASTM A358, ASTM A778, ASME SA312, and ASME B36.19M standards.
We supply Stainless Steel 316H Welded Pipes from 1/8" NB to 24" NB in multiple schedules, wall thicknesses, and customized lengths.
These pipes are widely used in power plants, refineries, petrochemical plants, boilers, heat exchangers, pressure vessels, and high-temperature process piping systems.
Yes. SS 316H is specifically designed for continuous service at elevated temperatures where excellent creep strength and oxidation resistance are required.
Each pipe undergoes Hydrostatic Testing, PMI, Radiographic Testing, Visual Inspection, Flattening Test, and Dimensional Inspection to ensure compliance with international standards.
Yes. All Stainless Steel 316H Welded Pipes are supplied with EN 10204 3.1 Mill Test Certificates, and third-party inspection certificates are available upon request.
Yes. We manufacture and supply customized diameters, schedules, wall thicknesses, lengths, end preparations, and surface finishes as per project specifications.
Kamal Steels supplies premium-quality SS 316H Welded Pipes with certified raw materials, strict quality control, competitive pricing, ready stock, fast delivery, and reliable export services worldwide.