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America UNS T90812 铸造热作工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T90812 / T90812
Category Grade Standard Region/Area Standard Content
Metals T90812 -- America 铸造热作工具钢

Chemical composition(mass fraction)(wt.%) of the T90812

Element Min Max Similar

Mechanical Properties of steel grade T90812

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)
922 (≥) 349 (≥) 32 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade T90812

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
43 - -     0.31 -  
746 767 - 33.3 414   -  
672 - 41 23.2   242 112

Heat Treatment of steel grade T90812

Heat treated : 1936°C - 1846°C

Technological Curves of steel grade T90812

Cross Reference Table (Equivalent Grade) of T90812

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