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China GJB LF6 航天工业用LF6铝镁合金板材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LF6 / LF6
Category Grade Standard Region/Area Standard Content
Metals LF6 GJB 390 China 航天工业用LF6铝镁合金板材

Chemical composition(mass fraction)(wt.%) of the LF6

Element Min Max Similar
Al - - -
Be 0.0001 0.0050 -
Cu - 0.1000 -
Fe - 0.4000 -
Mg 5.8000 6.8000 -
Mn 0.5000 0.8000 -
Others total - 0.0500 -
Si - 0.4000 -
Ti 0.0200 0.1000 -
Total Others - 0.1000 -
Zn - 0.2000 -

Mechanical Properties of steel grade LF6

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)
612 (≥) 382 (≥) 24 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade LF6

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
22 - -     0.13 -  
619 388 - 31.3 444   -  
861 - 12 22.2   141 441

Heat Treatment of steel grade LF6

Heat treated : 1972°C - 1126°C

Technological Curves of steel grade LF6

Cross Reference Table (Equivalent Grade) of LF6

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