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China YS LF21 不可热处理强化的铝及铝合金板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LF21 / LF21
Category Grade Standard Region/Area Standard Content
Metals LF21 YS/T 213 China 不可热处理强化的铝及铝合金板

Chemical composition(mass fraction)(wt.%) of the LF21

Element Min Max Similar

Mechanical Properties of steel grade LF21

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)
693 (≥) 869 (≥) 41 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade LF21

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
24 - -     0.41 -  
591 996 - 21.3 324   -  
451 - 13 32.2   114 231

Heat Treatment of steel grade LF21

Heat treated : 1277°C - 1741°C

Technological Curves of steel grade LF21

Cross Reference Table (Equivalent Grade) of LF21

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