Stainless Steel 316H Welded Pipes

Stainless Steel 316H Welded Pipe Manufacturer, Supplier & Exporter in India

Kamal Steels is a leading manufacturer, supplier, stockist, and exporter of Stainless Steel 316H Welded Pipes in India. Manufactured in accordance with ASTM A312 TP316H and ASME SA312 standards, our welded pipes are specially designed for elevated temperature applications where excellent creep strength, oxidation resistance, and corrosion resistance are essential. The higher carbon content of SS 316H provides improved strength at elevated temperatures while maintaining excellent resistance to aggressive chemical environments.

Our Stainless Steel 316H Welded Pipes are manufactured using premium-quality raw materials and advanced welding technology to ensure superior dimensional accuracy, reliable weld integrity, and long service life. Available in various sizes, schedules, wall thicknesses, and surface finishes, these pipes are widely used in power plants, refineries, petrochemical industries, heat exchangers, pressure vessels, boilers, and process piping systems operating under high-temperature conditions. Every pipe undergoes stringent quality inspections before dispatch to ensure compliance with international standards.

Stainless Steel 316H Welded Pipe Manufacturer Supplier Exporter in India

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

  • Excellent high-temperature strength
  • Superior creep resistance
  • Outstanding oxidation resistance
  • Excellent resistance to chlorides and chemicals
  • Good weldability and fabrication properties
  • High mechanical strength
  • Long service life in elevated temperature applications
  • Suitable for pressure and process piping systems

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.

  • Power Generation Plants
  • Petrochemical Industries
  • Oil & Gas Processing
  • Chemical Processing Plants
  • Heat Exchangers
  • Pressure Vessels
  • Boilers & Superheaters
  • Refineries
  • Furnace Equipment
  • Process Piping Systems
  • Marine Engineering
  • High-Temperature Industrial Applications

Available Size Range

  • Outside Diameter: 6 mm to 610 mm
  • Nominal Bore: 1/8" NB to 24" NB
  • Wall Thickness: 0.5 mm to 25 mm
  • Standard Length: 6 Meters, Single Random, Double Random & Custom Cut Length
  • Custom sizes available as per project requirements

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.