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GX2CrNiMnMoNNb21-15-4-3

Description

GX2CrNiMnMoNNb21-15-4-3 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX2CrNiMnMoNNb21-15-4-3
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel GX2CrNiMnMoNNb21-15-4-3
GX5CrNiCu16-4
1.4525
GX4CrNiCuNb16-4
1.4525
GX2CrNiMoCuN20-18
1.4531
GX2CrNiMoCuN25-20
1.4536
GX1CrNiMoCuN25-20-5
1.4538

Chemical composition(mass fraction)(wt.%) of the GX2CrNiMnMoNNb21-15-4-3

C
Si
Mn
P
S
Cr Ni
 0.03 1.00  0.30-0.60  0.025  0.010  20.0-22.0  14.0-17.0 
Mo Al Cu Nb Ti V Ce
 3.00-3.50     0.25       
N Co Pb B Other    
0.20-0.35             
             

Mechanical Properties of steel grade GX2CrNiMnMoNNb21-15-4-3

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)
443 (≥) 189 (≥) 24 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade GX2CrNiMnMoNNb21-15-4-3

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
21 - -     0.24 -  
258 179 - 41.3 313   -  
611 - 33 31.2   121 124

Heat Treatment of steel grade GX2CrNiMnMoNNb21-15-4-3

Heat treated : 1364°C - 1413°C

Technological Curves of steel grade GX2CrNiMnMoNNb21-15-4-3


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