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GS-18NiMoCr3-7

Description

GS-18NiMoCr3-7 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GS-18NiMoCr3-7

Chemical composition(mass fraction)(wt.%) of the GS-18NiMoCr3-7

C
Si
Mn
P
S
Cr Ni
 0.17-0.22 0.30-0.50  0.70-1.10   0.012 0.010   0.30-0.50 0.60-1.10 
Mo Al Cu Nb Ti V Ce
 0.40-0.60 0.02-0.05   0.12      0.02  
N Co Pb B Other    
 0.015       As ≤ 0.025
Sn
 0.011
   
             

Mechanical Properties of steel grade GS-18NiMoCr3-7

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)
986 (≥) 453 (≥) 44 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade GS-18NiMoCr3-7

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
24 - -     0.12 -  
915 324 - 13.3 223   -  
938 - 34 33.2   431 224

Heat Treatment of steel grade GS-18NiMoCr3-7

Heat treated : 1976°C - 1344°C

Technological Curves of steel grade GS-18NiMoCr3-7


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