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A 271 TP304H

Description

USA SAE A 271 , A 271 TP304H Specialsteel Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 271 TP304H
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 271 TP304H Austenite SAE USA Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service

Chemical composition(mass fraction)(wt.%) of the A 271 TP304H

C Si Mn P S Cr Ni
0.04 -0.10 ≤1.00 ≤2.00 ≤0.04 ≤0.03 18.0 -20.0 8.00 -11.0

Mechanical Properties of steel grade A 271 TP304H

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
336 (≥) 675 (≥) 24 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade A 271 TP304H

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
43 - -     0.41 -  
964 542 - 43.3 422   -  
149 - 32 43.2   143 241

Heat Treatment of steel grade A 271 TP304H

Heat treated : 1943°C - 1938°C

Technological Curves of steel grade A 271 TP304H

Cross Reference Table (Equivalent Grade) of A 271 TP304H

Relevant standard of A 271 TP304H

A 271 Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service A-271--.pdf

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