cuzn40mn2 黄铜铜锻造铜
din cuzn40mn2 din 17660 introduction
用途:锻铜合金;铜锌合金(黄铜);(特殊黄铜);化学成分。
热处理:1984°c-1498°c。
din cuzn40mn2 din 17660 chemical
关于din cu-zn40mn2 din 17660数据表和din cu-zn20mn2 din 17660化学成分,请参见下表。
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的物理性能参数主要由din cu-zn 40mn2 din17660的导热系数、比热容、弹性模量、热膨胀系数、电阻值、密度、泊松比等参数表示。
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