hpb61-1-2-1加工（黃銅）

gb hpb61-1-2-1 gb/t 5231 introduction

用途：加工銅及銅合金牌號及化學成分。

熱處理：1574°c-1818°c。

gb hpb61-1-2-1 gb/t 5231 chemical

hpb61-1-2-1成分信息,gb hpb61-1-2-1 gb/t 5231元素 含量,gb hpb 61-1-2-1 gb/t 5233熱處理,gb hpb-61-1-2-1 gb/t15231化學

element min max similar

zn - - -

sn 0.3 1.5 -

pb 1 2.5 -

others total - 0.4 -

cu 59 62 -

as 0.02 0.25 -

gb hpb61-1-2-1 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 (％)

452 (≥) 857 (≥) 23 34 24 solution***aging, annealing, ausaging, q+t,etc 314

gb hpb61-1-2-1 gb/t 5231 physical

gb hpb61-1-2-1 gb/t 5231的物理性能參數主要由gb hpb61.-1-2-1 gb/t 5291的導熱系數、比熱容、彈性模量、熱膨脹系數、電阻值、密度、泊松比等參數表示。

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)

41 - - 0.22 -

988 368 - 42.3 244 -

342 - 42 34.2 112 234

gb hpb61-1-2-1 gb/t 5231 processing service