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MB MgY5RE4Zr

Korea KS MBMgY5RE4Zr 镁合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MBMgY5RE4Zr / MB MgY5RE4Zr
Category Grade Standard Region/Area Standard Content
Metals MB MgY5RE4Zr KS D 6016 Korea 镁合金铸件

Chemical composition(mass fraction)(wt.%) of the MB MgY5RE4Zr

Element Min Max Similar
Li - 0.2000 -
Rare Earths 2.0000 4.0000 -
Mn - 0.1500 -
Si - 0.0100 -
Ni - 0.0050 -
Cu - 0.0300 -
Zr 0.1000 1.0000 -
Zn - 0.2000 -
Mg - - -
Fe - 0.0100 -
Y 4.7500 5.5000 -
Others each - 0.0100 -
Li - 0.2000 -
Rare Earths 1.5000 4.0000 -
Mn - 0.1500 -
Si - 0.0100 -
Ni - 0.0050 -
Cu - 0.0300 -
Zr 0.1000 1.0000 -
Zn - 0.2000 -
Mg - - -
Fe - 0.0100 -
Y 4.7500 5.5000 -
Others each - 0.0100 -

Mechanical Properties of steel grade MB MgY5RE4Zr

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)
632 (≥) 311 (≥) 34 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade MB MgY5RE4Zr

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
42 - -     0.42 -  
988 588 - 12.3 134   -  
136 - 14 32.2   232 211

Heat Treatment of steel grade MB MgY5RE4Zr

Heat treated : 1448°C - 1272°C

Technological Curves of steel grade MB MgY5RE4Zr

Cross Reference Table (Equivalent Grade) of MB MgY5RE4Zr

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