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GGG-NiCr20-3

Description

GGG-NiCr20-3 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GGG-NiCr20-3

Chemical composition(mass fraction)(wt.%) of the GGG-NiCr20-3

C
Si
Mn
P
S
Cr Ni
3.0  1.5-3.0  0.5-1.5       2.5-3.5 18.0-22.0 
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade GGG-NiCr20-3

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)
164 (≥) 895 (≥) 43 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade GGG-NiCr20-3

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
34 - -     0.24 -  
993 168 - 33.3 214   -  
256 - 12 14.2   232 344

Heat Treatment of steel grade GGG-NiCr20-3

Heat treated : 1774°C - 1595°C

Technological Curves of steel grade GGG-NiCr20-3


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