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GS-20NiMoCr3-7

Description

GS-20NiMoCr3-7 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GS-20NiMoCr3-7

Chemical composition(mass fraction)(wt.%) of the GS-20NiMoCr3-7

C
Si
Mn
P
S
Cr Ni
 0.17-0.23 0.60  0.80-1.20  0.025  0.015   0.30-0.50  0.80-1.20
Mo Al Cu Nb Ti V Ce
0.40-0.80             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade GS-20NiMoCr3-7

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)
983 (≥) 944 (≥) 34 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade GS-20NiMoCr3-7

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
34 - -     0.31 -  
439 279 - 31.3 423   -  
323 - 14 41.2   131 312

Heat Treatment of steel grade GS-20NiMoCr3-7

Heat treated : 1149°C - 1736°C

Technological Curves of steel grade GS-20NiMoCr3-7


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