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America UNS J91803 合金钢铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: J91803 / J91803
Category Grade Standard Region/Area Standard Content
Metals J91803 -- America 合金钢铸件

Chemical composition(mass fraction)(wt.%) of the J91803

Element Min Max Similar
Si - 1.5000 -
S - 0.0400 -
P - 0.0400 -
Ni - 2.0000 -
Mn - 1.0000 -
Cr 18.0000 21.0000 -
C - 0.3000 -

Mechanical Properties of steel grade J91803

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)
447 (≥) 471 (≥) 11 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade J91803

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
44 - -     0.14 -  
944 746 - 42.3 112   -  
367 - 24 23.2   133 332

Heat Treatment of steel grade J91803

Heat treated : 1263°C - 1227°C

Technological Curves of steel grade J91803

Cross Reference Table (Equivalent Grade) of J91803

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