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GX30CrSi7

Description

GX30CrSi7 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX30CrSi7

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

C
Si
Mn
P
S
Cr Ni
0.20-0.35  1.00-2.50  0.50-1.50  0.035  0.030  6.00-8.00   0.50
Mo Al Cu Nb Ti V Ce
 0.15            
N Co Pb B Other    
             
             

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)
223 (≥) 987 (≥) 41 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

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
31 - -     0.24 -  
826 861 - 32.3 413   -  
271 - 12 11.2   423 412

Heat Treatment of steel grade GX30CrSi7

Heat treated : 1332°C - 1638°C

Technological Curves of steel grade GX30CrSi7


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