锌白铜C7521耐蚀性铜棒 日菱伸铜
Is a structure characteristics and applicable scope: copper, nickel, alloy its appearance is beautiful silvery white, commonly known as the bank (original is silver) in China, this kind of alloy with high strength and corrosion resistance, good plasticity, under hot and cold are machined well under pressure, but poor machinability, poor weldability
C7521为结构铜镍,合金其外表具有美丽的银白色，俗称德银(本来是中国银)，这种合金具有高的强度和耐蚀性,可塑性好，在热态及冷态下均能很好地承受压力加工，可切削性不好，焊接性差
力学性能：
抗拉强度 σb (MPa)：≥440
伸长率 δ10 (％)：≥5
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：铸造温度1170℃;退火温度700～750℃;轧制热加工温度950～970℃;消除内应力的低温退火温度250℃。

产品名称：锌白铜C7521耐蚀性铜棒 日菱伸铜
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