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GX30CrSi7

International ISO GX30CrSi7 常用耐热铸钢及合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX30CrSi7 / GX30CrSi7
Category Grade Standard Region/Area Standard Content
Metals GX30CrSi7 ISO 11973 International 常用耐热铸钢及合金

Chemical composition(mass fraction)(wt.%) of the GX30CrSi7

Element Min Max Similar
Si 1.0000 2.5000 -
S - 0.0300 -
P - 0.0400 -
Ni - 1.0000 -
Mo - 0.5000 -
Mn 0.5000 1.0000 -
Cr 12.0000 14.0000 -
C 0.3000 0.5000 -

Mechanical Properties of steel grade GX30CrSi7

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)
243 (≥) 224 (≥) 32 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade GX30CrSi7

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 - -     0.32 -  
867 141 - 13.3 422   -  
554 - 21 12.2   421 142

Heat Treatment of steel grade GX30CrSi7

Heat treated : 1369°C - 1633°C

Technological Curves of steel grade GX30CrSi7

Cross Reference Table (Equivalent Grade) of GX30CrSi7

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