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A453 Grade 662 Class A

America ASTM A453Grade662ClassA 具有同奥氏体钢相类似的膨胀系数、屈服强度为50-120Ksi(345-827MPa)的耐高温螺栓材料 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A453 Grade 662 Class A ASTM A453/A453M America 具有同奥氏体钢相类似的膨胀系数、屈服强度为50-120Ksi(345-827MPa)的耐高温螺栓材料

Chemical composition(mass fraction)(wt.%) of the A453 Grade 662 Class A

Element Min Max Similar

Mechanical Properties of steel grade A453 Grade 662 Class A

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)
962 (≥) 325 (≥) 24 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade A453 Grade 662 Class A

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
31 - -     0.42 -  
456 777 - 14.3 311   -  
974 - 32 21.2   233 123

Heat Treatment of steel grade A453 Grade 662 Class A

Heat treated : 1774°C - 1584°C

Technological Curves of steel grade A453 Grade 662 Class A

Cross Reference Table (Equivalent Grade) of A453 Grade 662 Class A

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