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Global 企业标准 JL-31 软磁不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JL-31 / JL-31
Category Grade Standard Region/Area Standard Content
Metals JL-31 -- Global 软磁不锈钢

Chemical composition(mass fraction)(wt.%) of the JL-31

Element Min Max Similar
C - 0.0300 -
S - 0.0300 -
Si 1.5000 2.0000 -
P - 0.0300 -
Mn - 0.5000 -
Cr 13.0000 14.0000 -
Pb - 0.2000 -
Ni 0.2000 0.6000 -
Mo 0.2000 0.6000 -
Nb - 0.3000 -
Cu - 0.2000 -
Ti 0.0500 0.1000 -

Mechanical Properties of steel grade JL-31

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)
431 (≥) 714 (≥) 33 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade JL-31

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
33 - -     0.24 -  
235 657 - 32.3 342   -  
141 - 41 22.2   311 324

Heat Treatment of steel grade JL-31

Heat treated : 1714°C - 1393°C

Technological Curves of steel grade JL-31

Cross Reference Table (Equivalent Grade) of JL-31

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