A312 TP310H welding Stainless Steel Pipe

GNEE supplies A312 TP310H seamless stainless steel tubes that are inspected multiple times to ensure quality, with sizes ranging from 1/2" NB – 16" NB, and sizes from 1/8" NB to 30" NB IN.

A312 TP310H stainless steel alloy tubes are made of chromium-nickel alloy, with higher carbon content than 310 grade austenitic stainless steel, with high tensile strength of 520MPa and minimum yield strength of 205MPa. And the high chromium content of A312 TP310H high temperature stainless steel tubes designed for high temperature performance also makes this grade have good resistance to aqueous corrosion.
A312 TP310H grade austenitic pressure tubes are usually used for temperatures around 800 or 900°C, which is higher than the effective temperature of 304H and 321. Therefore, it is more suitable for applications such as high temperature boilers, heat exchangers and superheater pipes.
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A312 TP310H polished stainless steel pipeChemical Composition

Element	Content (%)
Iron, Fe	49.075-45.865
Chromium, Cr	24-26
Nickel, Ni	19-22
Manganese, Mn	2
Silicon, Si	0.75
Phosphorous, P	0.045
Carbon, C	0.040-0.10
Sulfur, S	0.03

A312 TP310H tube Mechanical Properties

Properties	Metric	Imperial
Tensile strength	515 MPa	74694 psi
Yield strength	205 MPa	29732 psi
Modulus of elasticity	200 GPa	29000 ksi
Shear modulus	77.0 GPa	11200 ksi
Poissons ratio	0.3	0.3
Elongation at break (in 50 mm)	40%	40%
Hardness, Rockwell B	95	95
Hardness, Brinell	217	217

 A312 TP310H steel tube

Why choose us

gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.

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