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America UNS J91249 奥氏体锰钢铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: J91249 / J91249
Category Grade Standard Region/Area Standard Content
Metals J91249 -- America 奥氏体锰钢铸件

Chemical composition(mass fraction)(wt.%) of the J91249

Element Min Max Similar

Mechanical Properties of steel grade J91249

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)
349 (≥) 287 (≥) 23 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade J91249

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
23 - -     0.31 -  
674 617 - 14.3 443   -  
249 - 43 12.2   112 113

Heat Treatment of steel grade J91249

Heat treated : 1362°C - 1343°C

Technological Curves of steel grade J91249

Cross Reference Table (Equivalent Grade) of J91249

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