QAl7铝青铜管，耐磨性能怎么样

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QAl7铝青铜

材料名称：铝青铜板(半硬,)

牌号：QAl7

标准：GB/T 2043-1989

●QAl7特性及适用范围：

QAl7性能及用途和QAl5相似，因含铝量稍高，其强度较高。

●QAl7化学成份：

铜 Cu ：余量

锡 Sn ：≤0.1

锌 Zn：≤0.5

铅 Pb：≤0.03

磷 P：≤0.01

铝 Al：6.0～8.0

铁 Fe：≤0.5

锰 Mn：≤0.5

硅 Si ：≤0.1

注：≤1.6(杂质)

●QAl7力学性能：

抗拉强度 σb (MPa)：588～735

伸长率 δ10 (％)：≥10

注 ：板材的拉伸力学性能

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