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China GB 4J47 精密合金牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4J47 / 4J47
Category Grade Standard Region/Area Standard Content
Metals 4J47 GB/T 15018 China 精密合金牌号

Chemical composition(mass fraction)(wt.%) of the 4J47

Element Min Max Similar
Fe - - -
Cr 0.8000 1.4000 -
Ni 46.8000 47.8000 -
Si - 0.3000 -
Mn - 0.4000 -
P - 0.0200 -
S - 0.0200 -
C - 0.0500 -

Mechanical Properties of steel grade 4J47

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)
192 (≥) 612 (≥) 24 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 4J47

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
44 - -     0.14 -  
612 135 - 31.3 132   -  
265 - 11 22.2   312 142

Heat Treatment of steel grade 4J47

Heat treated : 1738°C - 1258°C

Technological Curves of steel grade 4J47

Cross Reference Table (Equivalent Grade) of 4J47

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