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China GB 5251 变形铝及铝合金化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 5251 / 5251
Category Grade Standard Region/Area Standard Content
Metals 5251 GB/T 3190 China 变形铝及铝合金化学成分

Chemical composition(mass fraction)(wt.%) of the 5251

Element Min Max Similar

Mechanical Properties of steel grade 5251

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)
181 (≥) 466 (≥) 12 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 5251

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
44 - -     0.34 -  
389 411 - 33.3 314   -  
659 - 11 13.2   443 143

Heat Treatment of steel grade 5251

Heat treated : 1398°C - 1412°C

Technological Curves of steel grade 5251

Cross Reference Table (Equivalent Grade) of 5251

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