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China GB LD8 变形铝及铝合金化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LD8 / LD8
Category Grade Standard Region/Area Standard Content
Metals LD8 GB/T 3190 China 变形铝及铝合金化学成分

Chemical composition(mass fraction)(wt.%) of the LD8

Element Min Max Similar

Mechanical Properties of steel grade LD8

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)
718 (≥) 976 (≥) 13 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade LD8

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 - -     0.31 -  
472 624 - 43.3 334   -  
996 - 41 21.2   223 342

Heat Treatment of steel grade LD8

Heat treated : 1826°C - 1343°C

Technological Curves of steel grade LD8

Cross Reference Table (Equivalent Grade) of LD8

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