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A842 Grade 400

America ASTM A842Grade400 高密度石墨铸铁 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A842Grade400 / A842 Grade 400
Category Grade Standard Region/Area Standard Content
Metals A842 Grade 400 ASTM A842 America 高密度石墨铸铁

Chemical composition(mass fraction)(wt.%) of the A842 Grade 400

Element Min Max Similar

Mechanical Properties of steel grade A842 Grade 400

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)
473 (≥) 644 (≥) 24 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade A842 Grade 400

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 - -     0.24 -  
948 554 - 23.3 111   -  
984 - 42 44.2   442 444

Heat Treatment of steel grade A842 Grade 400

Heat treated : 1296°C - 1196°C

Technological Curves of steel grade A842 Grade 400

Cross Reference Table (Equivalent Grade) of A842 Grade 400

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