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SA-675 Grade 450

America ASME SA-675Grade450 要求力学性能特殊质量热加工碳钢棒材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-675Grade450 / SA-675 Grade 450
Category Grade Standard Region/Area Standard Content
Metals SA-675 Grade 450 ASME SA-675/SA-675M America 要求力学性能特殊质量热加工碳钢棒材

Chemical composition(mass fraction)(wt.%) of the SA-675 Grade 450

Element Min Max Similar

Mechanical Properties of steel grade SA-675 Grade 450

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)
272 (≥) 225 (≥) 22 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade SA-675 Grade 450

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
14 - -     0.43 -  
668 538 - 43.3 234   -  
988 - 44 14.2   443 111

Heat Treatment of steel grade SA-675 Grade 450

Heat treated : 1569°C - 1838°C

Technological Curves of steel grade SA-675 Grade 450

Cross Reference Table (Equivalent Grade) of SA-675 Grade 450

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