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Global 企业标准 3CR12 Atlas Specialty Metals and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3CR12 / 3CR12
Category Grade Standard Region/Area Standard Content
Metals 3CR12 -- Global Atlas Specialty Metals

Chemical composition(mass fraction)(wt.%) of the 3CR12

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Ni 0.3000 1.0000 -
N - 0.0300 -
Mn - 1.5000 -
Cr 10.5000 12.5000 -
C - 0.0300 -

Mechanical Properties of steel grade 3CR12

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)
524 (≥) 865 (≥) 34 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 3CR12

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
41 - -     0.24 -  
879 516 - 14.3 311   -  
256 - 22 32.2   343 323

Heat Treatment of steel grade 3CR12

Heat treated : 1439°C - 1569°C

Technological Curves of steel grade 3CR12

Cross Reference Table (Equivalent Grade) of 3CR12

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