牌号 b124 c37000(黄铜)锻造棒材
对应标准 astm b124/b124m-2020
铜及铜合金锻造棒材和型材标准规范
standard specification for copper***copper alloy forging rod, bar,***shapes
归类 铜及铜合金
性能 锻压性
标签 易切削蒙氏铜锌合金
说明 用于热锻
本标准材料处理方式有以下几种:
① h50-挤制和拉制
② h80-拉拔硬化
③ m20-热轧
④ m30-热挤制
⑤ o60-软化退火
⑥ o61-退火
⑦ o30-热挤制和退火
b124 c37000 化学元素 成分含量(%)
成分 fe cu pb 更多
最 小值 - 59 0.8 zn余量
最 大 值 0.15 62 1.5
cu + sum of named elements ≥ 99.6%
astm b981 c37000 astm b981/b981m 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 (%)
168 (≥) 779 (≥) 42 13 33 solution***aging, annealing, ausaging, q+t,etc 423
astm b981 c37000 astm b981/b981m physical
astm b981 c37000 astm b981/b981m的物理性能主要由弹性模量、导热系数、比热容、电阻值、热膨胀系数、密度、泊松比等表示。
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)
34 - - 0.14 -
144 668 - 42.3 113 -
959 - 31 32.2 444 432
astm b981 c37000 astm b981/b981m processing service