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B391 Type 2

America ASTM B391Type2 普通挤压铝和铝合金圆管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B391Type2 / B391 Type 2
Category Grade Standard Region/Area Standard Content
Metals B391 Type 2 ASTM B391 America 普通挤压铝和铝合金圆管

Chemical composition(mass fraction)(wt.%) of the B391 Type 2

Element Min Max Similar

Mechanical Properties of steel grade B391 Type 2

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)
576 (≥) 568 (≥) 33 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade B391 Type 2

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 - -     0.43 -  
967 193 - 14.3 241   -  
783 - 24 12.2   232 344

Heat Treatment of steel grade B391 Type 2

Heat treated : 1286°C - 1932°C

Technological Curves of steel grade B391 Type 2

Cross Reference Table (Equivalent Grade) of B391 Type 2

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