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International ISO 12 热处理钢、合金钢和易切削钢-第13部分:锻造不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12 / 12
Category Grade Standard Region/Area Standard Content
Metals 12 ISO 683-13 International 热处理钢、合金钢和易切削钢-第13部分:锻造不锈钢

Chemical composition(mass fraction)(wt.%) of the 12

Element Min Max Similar
Ni 8.0000 10.0000 -
Cr 17.0000 19.0000 -
P - 0.0450 -
S - 0.0300 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.1200 -

Mechanical Properties of steel grade 12

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)
872 (≥) 786 (≥) 33 22 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 12

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 - -     0.44 -  
166 571 - 41.3 132   -  
962 - 22 11.2   443 143

Heat Treatment of steel grade 12

Heat treated : 1754°C - 1348°C

Technological Curves of steel grade 12

Cross Reference Table (Equivalent Grade) of 12

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