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China GB LT66 变形铝及铝合金化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LT66 / LT66
Category Grade Standard Region/Area Standard Content
Metals LT66 GB/T 3190 China 变形铝及铝合金化学成分

Chemical composition(mass fraction)(wt.%) of the LT66

Element Min Max Similar

Mechanical Properties of steel grade LT66

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)
984 (≥) 463 (≥) 21 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade LT66

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
21 - -     0.21 -  
799 418 - 41.3 111   -  
421 - 13 33.2   332 423

Heat Treatment of steel grade LT66

Heat treated : 1314°C - 1213°C

Technological Curves of steel grade LT66

Cross Reference Table (Equivalent Grade) of LT66

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