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EU EN 1.8939 高韧性调质细晶粒钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.8939 / 1.8939
Category Grade Standard Region/Area Standard Content
Metals 1.8939 -- EU 高韧性调质细晶粒钢

Chemical composition(mass fraction)(wt.%) of the 1.8939

Element Min Max Similar

Mechanical Properties of steel grade 1.8939

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)
438 (≥) 491 (≥) 44 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade 1.8939

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
33 - -     0.44 -  
955 515 - 32.3 244   -  
647 - 13 21.2   424 311

Heat Treatment of steel grade 1.8939

Heat treated : 1685°C - 1989°C

Technological Curves of steel grade 1.8939

Cross Reference Table (Equivalent Grade) of 1.8939

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