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China HB ZMgNd2Zr 镁合金铸件规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZMgNd2Zr / ZMgNd2Zr
Category Grade Standard Region/Area Standard Content
Metals ZMgNd2Zr HB 7780 China 镁合金铸件规范

Chemical composition(mass fraction)(wt.%) of the ZMgNd2Zr

Element Min Max Similar
Others total - 0.2000 -
Others each - 0.0500 -
Be - 0.0010 -
Ni - 0.0050 -
Fe - 0.0100 -
Cu - 0.0300 -
Si - 0.0100 -
Al - 0.0200 -
Zrt 0.4000 1.0000 -
Zrs 0.4000 - -
Nd 2.0000 3.0000 -
Mg - - -

Mechanical Properties of steel grade ZMgNd2Zr

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)
637 (≥) 213 (≥) 24 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade ZMgNd2Zr

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
32 - -     0.33 -  
678 688 - 44.3 432   -  
644 - 24 33.2   421 343

Heat Treatment of steel grade ZMgNd2Zr

Heat treated : 1795°C - 1438°C

Technological Curves of steel grade ZMgNd2Zr

Cross Reference Table (Equivalent Grade) of ZMgNd2Zr

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