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China GB ME20M 变形镁及镁合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ME20M / ME20M
Category Grade Standard Region/Area Standard Content
Metals ME20M GB/T 5153 China 变形镁及镁合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the ME20M

Element Min Max Similar

Mechanical Properties of steel grade ME20M

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)
769 (≥) 836 (≥) 32 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade ME20M

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
24 - -     0.34 -  
184 314 - 23.3 124   -  
385 - 21 14.2   331 323

Heat Treatment of steel grade ME20M

Heat treated : 1727°C - 1252°C

Technological Curves of steel grade ME20M

Cross Reference Table (Equivalent Grade) of ME20M

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