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America SAE AZ91B Magnesium casting alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AZ91B / AZ91B
Category Grade Standard Region/Area Standard Content
Metals AZ91B SAE J 465 America Magnesium casting alloys

Chemical composition(mass fraction)(wt.%) of the AZ91B

Element Min Max Similar

Mechanical Properties of steel grade AZ91B

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)
921 (≥) 989 (≥) 11 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade AZ91B

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
31 - -     0.13 -  
928 453 - 24.3 442   -  
998 - 34 24.2   334 124

Heat Treatment of steel grade AZ91B

Heat treated : 1994°C - 1291°C

Technological Curves of steel grade AZ91B

Cross Reference Table (Equivalent Grade) of AZ91B

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