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REMgSiFe-07Y

China GB REMgSiFe-07Y 稀土镁硅铁合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: REMgSiFe-07Y / REMgSiFe-07Y
Category Grade Standard Region/Area Standard Content
Metals REMgSiFe-07Y GB/T 4138 China 稀土镁硅铁合金

Chemical composition(mass fraction)(wt.%) of the REMgSiFe-07Y

Element Min Max Similar
Fe - - -
Al - 1.0000 -
MgO - 1.0000 -
Ti - 0.5000 -
Mn - 1.0000 -
Si - 44.0000 -
Ca 1.0000 3.0000 -
Mg 7.0000 9.0000 -
Y/RE 40.0000 - -
RE 6.5000 7.5000 -

Mechanical Properties of steel grade REMgSiFe-07Y

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)
853 (≥) 982 (≥) 23 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade REMgSiFe-07Y

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
31 - -     0.41 -  
814 633 - 41.3 223   -  
362 - 12 22.2   423 123

Heat Treatment of steel grade REMgSiFe-07Y

Heat treated : 1279°C - 1297°C

Technological Curves of steel grade REMgSiFe-07Y

Cross Reference Table (Equivalent Grade) of REMgSiFe-07Y

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