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China GB FM8 镁粉 第1部分:铣削镁粉 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FM8 / FM8
Category Grade Standard Region/Area Standard Content
Metals FM8 GB 5149.1 China 镁粉 第1部分:铣削镁粉

Chemical composition(mass fraction)(wt.%) of the FM8

Element Min Max Similar
Mg 98.5000 - -
HCl ins. - 0.2000 -
H2O - 0.2000 -
Fe - 0.2000 -
Cl - 0.0050 -

Mechanical Properties of steel grade FM8

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)
127 (≥) 472 (≥) 31 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade FM8

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
43 - -     0.33 -  
277 781 - 23.3 321   -  
722 - 34 41.2   444 413

Heat Treatment of steel grade FM8

Heat treated : 1995°C - 1163°C

Technological Curves of steel grade FM8

Cross Reference Table (Equivalent Grade) of FM8

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