HSn70-1锡黄铜

产品形式：棒、板、管、法兰、带材、丝、锻件等

产品规格范围:直径6-500mm,长度0.5-30m;

产品规格范围:厚度0.5-80mm,长1-6米,宽0.5-3m

产品规格范围:外径6-530mm，壁厚0.5-50mm，长度1-12m

可根据客户要求试制或生产

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HSn70-1锡黄铜是含有微量砷的铜锌锡三元系的a单相黄铜，中国国家标准 (GB5232—85)分类中列为加砷黄铜。

特性及适用范围

微量砷能抑制脱锌腐蚀，进一步提高合金的耐蚀性能。HSn70-1具有良好的力学性能，用于制作换热器和接触腐蚀性液体的导管，特别广泛应用于内陆热电厂制作高强耐蚀的热交换器冷凝管。近年来研究证明，向HSn70-1中添加微量硼、镍等元素，能更好地提高合金的耐蚀性能。HSn70-1有应力腐蚀破裂倾向，对冷加工管材必须进行消除应力低温退火。HSn70-1热压加工时易裂，要严格控制杂质的含量。

HSn70-1化学成分

锌(Zn)余量,

铅(Pb)≤0.05,

铁(Fe)≤0.10,

锑(Sb)≤0.005,

磷(P)≤0.01,

铋(Bi)≤0.002,

锡(Sn)0.8～1.3,

砷(As)0.03～0.06,

铜(Cu)69.0～71.0,

杂质总和%≤0.3

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