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A312 Type 347

America ASTM A312Type347 无缝和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A312Type347 / A312 Type 347
Category Grade Standard Region/Area Standard Content
Metals A312 Type 347 ASTM A312/A312M America 无缝和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A312 Type 347

Element Min Max Similar

Mechanical Properties of steel grade A312 Type 347

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)
617 (≥) 751 (≥) 12 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A312 Type 347

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
21 - -     0.41 -  
383 785 - 23.3 331   -  
346 - 34 21.2   114 124

Heat Treatment of steel grade A312 Type 347

Heat treated : 1931°C - 1844°C

Technological Curves of steel grade A312 Type 347

Cross Reference Table (Equivalent Grade) of A312 Type 347

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