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China YB DR440-50 薄板坯 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DR440-50 / DR440-50
Category Grade Standard Region/Area Standard Content
Metals DR440-50 YB/T 003 China 薄板坯

Chemical composition(mass fraction)(wt.%) of the DR440-50

Element Min Max Similar

Mechanical Properties of steel grade DR440-50

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)
411 (≥) 976 (≥) 14 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade DR440-50

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
32 - -     0.34 -  
923 486 - 32.3 122   -  
471 - 22 14.2   211 212

Heat Treatment of steel grade DR440-50

Heat treated : 1965°C - 1877°C

Technological Curves of steel grade DR440-50

Cross Reference Table (Equivalent Grade) of DR440-50

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