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America ASTM B145-5B 普通用铜合金砂型铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B145-5B / B145-5B
Category Grade Standard Region/Area Standard Content
Metals B145-5B ASTM B584 America 普通用铜合金砂型铸件

Chemical composition(mass fraction)(wt.%) of the B145-5B

Element Min Max Similar
P - 0.0200 -
S - 0.0500 -
Si - 0.0500 -
Ni - 1.0000 -
Cu 70.0000 74.0000 -
Al - 0.0050 -
Zn 20.0000 27.0000 -
Sn 0.7000 2.0000 -
Sb - 0.2000 -
Fe - 0.6000 -
Pb 1.5000 3.8000 -
Zn 20.0000 27.0000 -
Sn 0.7000 2.0000 -
Si - 0.0500 -
Sb - 0.2000 -
S - 0.0500 -
Pb 1.5000 3.8000 -
P - 0.0200 -
Ni - 1.0000 -
Fe - 0.6000 -
Cu 70.0000 74.0000 -
Al - 0.0050 -

Mechanical Properties of steel grade B145-5B

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)
126 (≥) 418 (≥) 43 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade B145-5B

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 - -     0.22 -  
961 638 - 11.3 314   -  
835 - 32 14.2   213 112

Heat Treatment of steel grade B145-5B

Heat treated : 1312°C - 1711°C

Technological Curves of steel grade B145-5B

Cross Reference Table (Equivalent Grade) of B145-5B

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