
H68黄铜#抗拉铜棒 耐磨性黄铜H68
H68 brass characteristics and scope of application: have a very good plastic (is solidifying in brass) and higher strength, machinability is good, easy to welding, for the average corrosion is very stable, but easy to produce corrosion cracking. As one of the most widely used in ordinary brass.
H68黄铜化学成份:铜 Cu :67.0~70.0
锌 Zn:余量
铅 Pb:≤0.03
铅 Pb:≤0.03
硼 P:≤0.01
铁 Fe:≤0.10
铍 Sb :≤0.005
铋 Bi:≤0.002
注:≤0.3(杂质)
力学性能:抗拉强度σb(MPa):≥370 伸长率 δ10 (%):≥15 伸长率δ5(%):≥18 注 :棒材的纵向室温拉伸力学性能 试样尺寸:直径或对边距离5~12
热处理规范:热加工温度750~830℃;退火温度520~650℃;消除内应力的低温退火温度260~270℃
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