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Global 企业标准 DMV4988 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DMV4988 / DMV 4988
Category Grade Standard Region/Area Standard Content
Metals DMV 4988 -- Global

Chemical composition(mass fraction)(wt.%) of the DMV 4988

Element Min Max Similar

Mechanical Properties of steel grade DMV 4988

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)
827 (≥) 755 (≥) 34 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade DMV 4988

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
31 - -     0.32 -  
111 182 - 31.3 422   -  
897 - 11 41.2   433 134

Heat Treatment of steel grade DMV 4988

Heat treated : 1486°C - 1543°C

Technological Curves of steel grade DMV 4988

Cross Reference Table (Equivalent Grade) of DMV 4988

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