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Grade D40

Global 企业标准 GradeD40 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeD40 / Grade D40
Category Grade Standard Region/Area Standard Content
Metals Grade D40 -- Global

Chemical composition(mass fraction)(wt.%) of the Grade D40

Element Min Max Similar
V 0.0500 0.1000 -
Ti - 0.0200 -
Si - 0.5000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.4000 -
Nb 0.0200 0.0500 -
Mo - 0.0800 -
Mn 0.9000 1.6000 -
Cu - 0.3500 -
Cr - 0.2000 -
C - 0.1800 -
Al 0.0150 0.0600 -

Mechanical Properties of steel grade Grade D40

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)
737 (≥) 266 (≥) 12 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade Grade D40

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
14 - -     0.33 -  
493 462 - 44.3 241   -  
484 - 12 23.2   324 212

Heat Treatment of steel grade Grade D40

Heat treated : 1534°C - 1721°C

Technological Curves of steel grade Grade D40

Cross Reference Table (Equivalent Grade) of Grade D40

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