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Global 企业标准 RNM12 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RNM12 / RNM 12
Category Grade Standard Region/Area Standard Content
Metals RNM 12 -- Global

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

Element Min Max Similar
V - 0.8000 -
Ni - 12.5000 -
Mn - 4.5000 -
Cr - 4.5000 -
C - 0.4500 -

Mechanical Properties of steel grade RNM 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)
472 (≥) 135 (≥) 24 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade RNM 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
12 - -     0.34 -  
644 293 - 12.3 234   -  
827 - 14 24.2   434 324

Heat Treatment of steel grade RNM 12

Heat treated : 1376°C - 1983°C

Technological Curves of steel grade RNM 12

Cross Reference Table (Equivalent Grade) of RNM 12

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