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SA-312 Grade TP 304H

America ASME SA-312GradeTP304H Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-312 Grade TP 304H ASME SA-312/SA-312M America Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 Grade TP 304H

Element Min Max Similar

Mechanical Properties of steel grade SA-312 Grade TP 304H

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)
437 (≥) 877 (≥) 34 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SA-312 Grade TP 304H

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
34 - -     0.32 -  
978 269 - 43.3 411   -  
547 - 32 31.2   433 412

Heat Treatment of steel grade SA-312 Grade TP 304H

Heat treated : 1441°C - 1971°C

Technological Curves of steel grade SA-312 Grade TP 304H

Cross Reference Table (Equivalent Grade) of SA-312 Grade TP 304H

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