批发零售 H70 黄铜附质保书价格优惠 质量保证

H70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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特性及适用范围
标准：GB/T 2059-2000
●特性及适用范围：
H70黄铜有较为良好的塑性(是黄铜中较佳者)和较高的强度,可切削加工性能好，易焊接，对一般腐蚀非常安定,但易产生腐蚀开裂。H70黄铜用于热交换器，造纸用管，机械，电子零件。
化学成分
●化学成份：
铜 Cu ：68.5～71.5
锌 Zn：余量
铅 Pb：≤0.03
磷 P：≤0.01
铁 Fe：≤0.10
锑 Sb ：≤0.005
铋 Bi：≤0.005
注：≤0.3(杂质)
力学性能
●力学性能：
抗拉强度 σb (MPa)：≥290
伸长率 δ10 (%)：≥40
注 ：带材的室温拉伸力学性能
试样尺寸：厚度≥0.3
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采购须知：
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