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GX40NiCrNb45-35

Description

GX40NiCrNb45-35 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40NiCrNb45-35

Chemical composition(mass fraction)(wt.%) of the GX40NiCrNb45-35

C
Si
Mn
P
S
Cr Ni
0.35-0.45 1.50-2.50  1.00-1.50 0.040  0.030  32.5-37.5  42.0-46.0
Mo Al Cu Nb Ti V Ce
      1.50-2.00       
N Co Pb B Other    
             
             

 

  

Mechanical Properties of steel grade GX40NiCrNb45-35

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)
676 (≥) 381 (≥) 32 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade GX40NiCrNb45-35

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 - -     0.32 -  
233 568 - 21.3 212   -  
397 - 24 41.2   411 144

Heat Treatment of steel grade GX40NiCrNb45-35

Heat treated : 1647°C - 1432°C

Technological Curves of steel grade GX40NiCrNb45-35


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