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America ASTM B143-2A 普通用铜合金砂型铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B143-2A / B143-2A
Category Grade Standard Region/Area Standard Content
Metals B143-2A ASTM B584 America 普通用铜合金砂型铸件

Chemical composition(mass fraction)(wt.%) of the B143-2A

Element Min Max Similar
P - 0.0500 -
S - 0.0500 -
Si - 0.0050 -
Ni - 1.0000 -
Cu 85.0000 89.0000 -
Al - 0.0050 -
Zn 2.5000 5.0000 -
Sn 7.5000 9.0000 -
Sb - 0.2500 -
Fe - 0.2500 -
Pb 0.3000 1.0000 -

Mechanical Properties of steel grade B143-2A

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)
479 (≥) 394 (≥) 24 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade B143-2A

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 - -     0.43 -  
987 956 - 11.3 214   -  
578 - 42 31.2   413 333

Heat Treatment of steel grade B143-2A

Heat treated : 1531°C - 1532°C

Technological Curves of steel grade B143-2A

Cross Reference Table (Equivalent Grade) of B143-2A

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