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China GB DG-Cr3 热轧钢板带轧辊 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DG-Cr3 / DG-Cr3
Category Grade Standard Region/Area Standard Content
Metals DG-Cr3 GB/T 25825 China 热轧钢板带轧辊

Chemical composition(mass fraction)(wt.%) of the DG-Cr3

Element Min Max Similar
V 0.0500 0.1500 -
Si 0.4000 0.8000 -
S - 0.0200 -
P - 0.0200 -
Ni 0.4000 0.8000 -
Mo 0.4000 0.8000 -
Mn 0.6000 1.0000 -
Cr 3.5000 4.5000 -
C 0.3500 0.5500 -

Mechanical Properties of steel grade DG-Cr3

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)
524 (≥) 986 (≥) 41 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade DG-Cr3

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
23 - -     0.22 -  
378 177 - 42.3 122   -  
715 - 33 12.2   433 111

Heat Treatment of steel grade DG-Cr3

Heat treated : 1258°C - 1427°C

Technological Curves of steel grade DG-Cr3

Cross Reference Table (Equivalent Grade) of DG-Cr3

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