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EU EN E420M 机械和一般工程用途 - 交货技术条件 - 第1部分:非合金和合金钢管的焊接圆钢管。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E420M / E420M
Category Grade Standard Region/Area Standard Content
Metals E420M EN 10296-1 EU 机械和一般工程用途 - 交货技术条件 - 第1部分:非合金和合金钢管的焊接圆钢管。

Chemical composition(mass fraction)(wt.%) of the E420M

Element Min Max Similar

Mechanical Properties of steel grade E420M

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)
756 (≥) 245 (≥) 11 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade E420M

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
13 - -     0.43 -  
425 285 - 24.3 344   -  
511 - 23 21.2   232 443

Heat Treatment of steel grade E420M

Heat treated : 1375°C - 1866°C

Technological Curves of steel grade E420M

Cross Reference Table (Equivalent Grade) of E420M

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