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America ASTM B240ZA8 压模铸造用锌及锌铝合金锭 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B240ZA8 / B240 ZA8
Category Grade Standard Region/Area Standard Content
Metals B240 ZA8 ASTM B240 America 压模铸造用锌及锌铝合金锭

Chemical composition(mass fraction)(wt.%) of the B240 ZA8

Element Min Max Similar

Mechanical Properties of steel grade B240 ZA8

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)
125 (≥) 363 (≥) 12 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade B240 ZA8

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
14 - -     0.14 -  
797 324 - 24.3 131   -  
416 - 23 32.2   212 342

Heat Treatment of steel grade B240 ZA8

Heat treated : 1954°C - 1273°C

Technological Curves of steel grade B240 ZA8

Cross Reference Table (Equivalent Grade) of B240 ZA8

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