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Global 企业标准 EV31A and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EV31A / EV31A
Category Grade Standard Region/Area Standard Content
Metals EV31A -- Global

Chemical composition(mass fraction)(wt.%) of the EV31A

Element Min Max Similar
Zr 0.4000 1.0000 -
Zn 0.2000 0.5000 -
Rare Earths - 0.4000 -
Ni - 0.0020 -
Nd 2.6000 3.1000 -
Mg - - -
Fe - 0.0100 -
Cu - 0.0100 -
Ag - 0.0500 -

Mechanical Properties of steel grade EV31A

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)
813 (≥) 189 (≥) 43 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade EV31A

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
34 - -     0.43 -  
431 621 - 44.3 133   -  
624 - 31 44.2   221 212

Heat Treatment of steel grade EV31A

Heat treated : 1744°C - 1939°C

Technological Curves of steel grade EV31A

Cross Reference Table (Equivalent Grade) of EV31A

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