Stainless Steel 310H Seamless Tubes Manufacturer in India

What Are Stainless Steel 310H Seamless Tubes?

Stainless Steel 310H Seamless Tubes are high-carbon austenitic stainless steel tubes developed for high-temperature applications where strength, oxidation resistance and structural stability are important. Grade 310H is identified by UNS S31009 and belongs to the 310 series of heat-resistant stainless steels.

The elevated chromium and nickel content of Stainless Steel 310H provides excellent resistance to oxidation and scaling at high temperatures, while the controlled higher carbon level contributes to improved creep and stress-rupture strength. This combination allows the tubes to perform reliably in demanding thermal environments.

Stainless Steel 310H Seamless Tubes are supplied according to applicable ASTM and ASME specifications. ASTM A213 and ASME SA213 are commonly associated with seamless austenitic stainless steel tubes for boiler, superheater and heat-exchanger applications. Tubes can be produced in different outside diameters, wall thicknesses, schedules, lengths and finishes.

These tubes are suitable for furnace equipment, heat exchangers, petrochemical processing units, power-generation systems, high-temperature process equipment, refinery facilities and thermal processing applications. Their high-temperature strength and oxidation resistance make them suitable for continuous service under severe thermal conditions.

Kamal Steels is a Manufacturer and Stockist of Stainless Steel 310H Seamless Tubes, offering different dimensions and customized requirements for industrial projects in India and overseas markets. Material certification and inspection documentation can be provided as required.

Stainless Steel 310H Seamless Tubes

Table of Contents

Stainless Steel 310H Seamless Tube Specifications

Specification Stainless Steel 310H Seamless Tubes
MaterialStainless Steel
Grade310H
UNSS31009
Tube TypeSeamless
ASTM StandardASTM A213, Applicable ASTM Specifications
ASME StandardASME SA213, Applicable ASME Specifications
Outside DiameterAs per requirement
Wall ThicknessAs per requirement
ScheduleAs required
LengthRandom, Fixed or Customized
FinishAnnealed, Pickled, Bright Annealed, Polished or As required
FormRound Tube

Stainless Steel 310H Seamless Tube Size Chart

Stainless Steel 310H Seamless Tubes can be supplied in different diameters and wall thicknesses to meet high-temperature heat-transfer, process and equipment requirements.

Tube Size Outside Diameter (mm) Wall Thickness Length
1/2"12.70As requiredAs required
3/4"19.05As requiredAs required
1"25.40As requiredAs required
1-1/2"38.10As requiredAs required
2"50.80As requiredAs required
3"76.20As requiredAs required
4"101.60As requiredAs required
6"152.40As requiredAs required
8"203.20As requiredAs required

Stainless Steel 310H Seamless Tube Standards

Standard Application / Product Requirement
ASTM A213 Seamless ferritic and austenitic alloy-steel boiler, superheater and heat-exchanger tubes
ASTM A269 Austenitic stainless steel tubing for general corrosion-resisting service, where applicable
ASME SA213 Applicable seamless ferritic and austenitic alloy-steel tubing requirements
ASME SA269 Applicable austenitic stainless steel tubing requirements for general service, where applicable

Stainless Steel 310H Seamless Tube Features

  • Excellent high-temperature oxidation resistance
  • High chromium and nickel content
  • Enhanced creep and stress-rupture strength
  • Good resistance to scaling at elevated temperatures
  • Suitable for prolonged thermal exposure
  • Good resistance to carburizing environments
  • Strong performance in furnace and thermal equipment
  • Good mechanical stability at elevated temperatures
  • Seamless construction for demanding applications
  • Available in various sizes and surface finishes

Stainless Steel 310H Chemical Composition

Element Composition (%)
Chromium24.0 - 26.0
Nickel19.0 - 22.0
Carbon0.04 - 0.10
Manganese2.00 max.
Silicon0.75 max.
Phosphorus0.045 max.
Sulfur0.030 max.
IronBalance

Stainless Steel 310H Mechanical Properties

Property Minimum Requirement
Tensile Strength515 MPa min.
Yield Strength205 MPa min.
Elongation35% min.
DensityApprox. 8.0 g/cm³

Note: Mechanical requirements should be confirmed against the applicable ASTM or ASME product specification and material test certificate.

Stainless Steel 310H Seamless Tube Applications

Furnace Equipment

Used for furnace components exposed to continuous high-temperature operating conditions.

Petrochemical Plants

Applied in selected process equipment requiring thermal stability and oxidation resistance.

Power Generation

Suitable for high-temperature process and heat-transfer equipment in power facilities.

Chemical Processing

Used in process systems where elevated temperatures and corrosive conditions occur together.

Heat Treatment Equipment

Selected for thermal processing equipment requiring resistance to oxidation and scaling.

Refinery Equipment

Used in suitable refinery applications involving high-temperature process conditions.

Industries Using Stainless Steel 310H Seamless Tubes

Petrochemical Industry

Uses 310H tubing in selected high-temperature process systems and equipment.

Heat Treatment Industry

Applied in furnaces and thermal-processing equipment operating at elevated temperatures.

Chemical Industry

Selected for process equipment exposed to heat and demanding chemical environments.

Power Industry

Used in high-temperature equipment and heat-transfer systems.

Refining Industry

Applied in appropriate refinery equipment subjected to elevated-temperature service.

Engineering Industry

Used for specialized thermal equipment requiring heat-resistant stainless steel tubing.

Frequently Asked Questions

Stainless Steel 310H Seamless Tubes are high-carbon, heat-resistant stainless steel tubes manufactured from Stainless Steel 310H (UNS S31009 / WNR 1.4845). They are specifically designed for prolonged service at elevated temperatures requiring excellent creep strength and oxidation resistance.

Our Stainless Steel 310H Seamless Tubes are manufactured according to ASTM A213, ASTM A269, ASME SA213, and ASME SA269 international standards.

SS 310H Seamless Tubes provide exceptional creep strength, excellent oxidation resistance, outstanding resistance to scaling and thermal fatigue, seamless construction and reliable performance during prolonged high-temperature service.

They are widely used in boilers, superheaters, industrial furnaces, heat exchangers, petrochemical plants, refineries, thermal processing equipment, power generation facilities, and chemical processing industries.

SS 310H Seamless Tubes are available in various outside diameters, wall thicknesses, schedules, surface finishes and custom cut lengths to meet diverse industrial requirements.

Each tube undergoes Hydrostatic Testing, Ultrasonic Testing (UT), Eddy Current Testing (ECT), Positive Material Identification (PMI), Chemical Analysis, Mechanical Testing, Flattening Test, Flaring Test, Intergranular Corrosion (IGC) Testing, and Dimensional Inspection.

The higher carbon content of Stainless Steel 310H improves creep strength and high-temperature mechanical stability, making it suitable for continuous service under severe thermal conditions.

Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates, inspection reports, complete material traceability and third-party inspection certificates upon request.

Yes. Kamal Steels exports Stainless Steel 310H Seamless Tubes worldwide with export-standard packaging, complete documentation and timely international delivery.

Kamal Steels offers ASTM-compliant Stainless Steel 310H Seamless Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation and dependable worldwide delivery for critical high-temperature industrial applications.