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GX40NiCrSiNb24-24

Description

GX40NiCrSiNb24-24 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40NiCrSiNb24-24

Chemical composition(mass fraction)(wt.%) of the GX40NiCrSiNb24-24

C
Si
Mn
P
S
Cr Ni
 0.30-0.50 1.00-2.50   2.00 0.040  0.030  23.0-25.0  23.0-25.0 
Mo Al Cu Nb Ti V Ce
 0.50     0.80-1.80       
N Co Pb B Other    
             
             

Mechanical Properties of steel grade GX40NiCrSiNb24-24

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)
483 (≥) 858 (≥) 43 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade GX40NiCrSiNb24-24

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 - -     0.13 -  
664 881 - 44.3 341   -  
655 - 34 33.2   114 421

Heat Treatment of steel grade GX40NiCrSiNb24-24

Heat treated : 1511°C - 1735°C

Technological Curves of steel grade GX40NiCrSiNb24-24


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