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牌號(hào) c35300鉛黃銅六角棒

中國(guó)isc hpb62-2

對(duì)應(yīng)標(biāo)準(zhǔn) gb /t 5231-2012

加工銅及銅合金牌號(hào)和化學(xué)成分

說明 范圍：

①本標(biāo)準(zhǔn)規(guī)定了加工銅及銅合金的牌號(hào)和化學(xué)成分

②本標(biāo)準(zhǔn)適用于以壓力加工方法生產(chǎn)的銅及銅合金加工產(chǎn)品及其所用的鑄錠和坯料

c35300化學(xué)元素 成分含量(％)

成分 fe cu pb zn

最 小值 - 60 1.5 33.7

最 大 值 0.15 63 2.5 38.5

gb c35300 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 (％)

882 (≥) 628 (≥) 12 31 41 solution***aging, annealing, ausaging, q+t,etc 131

gb c35300 gb/t 5231 physical

physical properties of gb hpb62-2 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)

44 - - 0.43 -

944 535 - 14.3 214 -

845 - 21 24.2 113 331

gb c35300 gb/t 5231 processing service