cuzn40mn2 黃銅銅鍛造銅

din cuzn40mn2 din 17660 introduction

用途：鍛銅合金；銅鋅合金（黃銅）；（特殊黃銅）；化學成分。

熱處理：1984°c-1498°c。

din cuzn40mn2 din 17660 chemical

關于din cu-zn40mn2 din 17660數據表和din cu-zn20mn2 din 17660化學成分,請參見下表。

element min max similar

zn - - -

total others - 0.5 -

sn - 0.5 -

si - 0.4 -

pb 1 2 -

ni - 1 -

mn 0.4 1.8 -

fe - 0.5 -

cu 57 59 -

al - 0.6 -

din cuzn40mn2 din 17660 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 (％)

353 (≥) 757 (≥) 12 22 31 solution***aging, annealing, ausaging, q+t,etc 231

din cuzn40mn2 din 17660 physical

din cu-zn40mn2 din 17660的物理性能參數主要由din cu-zn 40mn2 din17660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)

24 - - 0.31 -

973 452 - 44.3 413 -

249 - 44 22.2 321 441

din cuzn40mn2 din 17660 processing service