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China GB 4Cr5Mo3V 工模具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4Cr5Mo3V / 4Cr5Mo3V
Category Grade Standard Region/Area Standard Content
Metals 4Cr5Mo3V GB/T 1299 China 工模具钢

Chemical composition(mass fraction)(wt.%) of the 4Cr5Mo3V

Element Min Max Similar
Ni - 0.2500 -
Cu - 0.2500 -
V 0.4000 0.6000 -
Mo 2.7000 3.2000 -
Cr 4.8000 5.2000 -
S - 0.0200 -
P - 0.0300 -
Mn 0.1500 0.4500 -
Si 0.1000 0.4000 -
C 0.2800 0.3500 -

Mechanical Properties of steel grade 4Cr5Mo3V

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)
336 (≥) 891 (≥) 21 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 4Cr5Mo3V

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 - -     0.12 -  
733 651 - 42.3 413   -  
316 - 24 32.2   242 313

Heat Treatment of steel grade 4Cr5Mo3V

Heat treated : 1366°C - 1852°C

Technological Curves of steel grade 4Cr5Mo3V

Cross Reference Table (Equivalent Grade) of 4Cr5Mo3V

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