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hpb89-2,鉛黃銅六角棒

hpb89-2 化學(xué)元素 成分含量(％)

成分 fe ni cu pb zn

最 小值 - - 87.5 1.3 5

最 大 值 0.1 0.7 90.5 2.5 11.2

gb hpb89-2 gb/t 5231 mechanical

yield tensile impact elongation reduction in cross section on fracture as-heat-treated condition brinell hardness (hbw)

rp0.2 (mpa) rm (mpa) kv/ku (j) a (％) z (％)

457 (≥) 611 (≥) 32 31 34 solution***aging, annealing, ausaging, q+t,etc 133

gb hpb89-2 gb/t 5231 physical

physical properties of gb hpb89-2 gb/t 5231 are mainly indicated by modulus of electrical resistance value, thermal conductivity, specific thermal capacity, coefficient of thermal expansion, elasticity, poisson's ratio, density, etc.

temperature modulus of elasticity mean coefficient of thermal expansion 10-6/(°c) between 20(°c) and thermal conductivity specific thermal capacity specific electrical resistivity density poisson’s coefficient, ν

(°c) (gpa) (w/m·°c) (j/kg·°c) (ω mm2/m) (kg/dm3)

22 - - 0.31 -

324 227 - 23.3 413 -

426 - 13 23.2 122 124

gb hpb89-2 gb/t 5231 processing service