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TP310 310S 310H 1.4841 1.4845 UNS S31000 S31008 S31009 SEAMLESS STAINLESS STEEL PIPE AND TUBE

TP310H S31009 SEAMLESS STAINLESS STEEL PIPE AND TUBE

①　STANDARD: ASTM A213/ ASTM A312/ ASTM A249/ ASTM A269/ GOST 9940 /GOST 9941...
②　OD RANGE : 6-1016 MM
③　THICKNESS RANGE: 1-65 MM

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Chemical Composition

Mechanical Properties

Applications

Service

Material Summary

Chemical Composition

Grade	C	Mn	P	S	Si	Cr	Mo	Ni
TP310	≤0.25	≤2.00	≤0.045	≤0.03	≤1.50	24.00-26.00	/	19.00-22.00
TP310S	≤0.08	≤2.00	≤0.045	≤0.03	≤1.00	24.00-26.00	≤0.75	19.00-22.00
TP310H	0.04-0.10	≤2.00	≤0.045	≤0.03	≤0.75	24.00-26.00	/	19.00-22.00

Mechanical Properties

Grade	310	310S	310H
Tensile Strength	≥515Mpa	≥515Mpa	≥485Mpa
Yield strength	≥205Mpa	≥205Mpa	≥170Mpa
Elongation %	≥35	≥35	≥35
Hardness	≤90 HRB	≤90 HRB	≤90 HRB

Application

Power Generation: Boilers, superheaters, and heat exchangers.
Petrochemical: Refinery furnaces, reformers, and cracking tubes.
Industrial Heating: Kilns, radiant tubes, and combustion systems.

Service

End of Pipe and Tube

Ply Wooden Boxes
PE Fabric Bundles
Standard seaworthy export packing
Plastic Bags, or as required

Marking

Supplier / Manufacturer Name or Custom Logo - on request
Specification
Material Grade
Nominal Size
Schedule or Wall Thickness
Method of Manufacturing (Seamless or Welded)
Heat Number

Marked Pipe Sample: XTD ASTM A312 TP310H SEAMLESS 42.2x 3.56*6000MM HEAT NO. 2023121205A15

Packing

Ply Wooden Boxes
PE Fabric Bundles
Standard seaworthy export packing
Plastic Bags, or as required

Delivery Condition

Pickled&Annealed, Polished, Bright Annealed.
All tubes shall be supplied as per applicable ASTM B163 /B426
Mill test certificates will be issued
We can provide 3.2 Certification according to the needs of you

Standard

ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Material Summary

TP310H is a high-carbon austenitic stainless steel pipe grade under ASTM A312, designed for superior performance in high-temperature environments. Its key features, advantages, applications, and comparisons to TP310S and TP310 are outlined below:

Advantages of TP310H

High-Temperature Strength: Enhanced creep resistance due to elevated carbon content (0.04–0.10% C), ensuring structural integrity under prolonged heat.
Oxidation Resistance: High chromium (25%) and nickel (20%) content provides excellent resistance to oxidation and carburization up to 1150°C.
Durability: Suitable for cyclic thermal conditions and high-stress applications.