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BZn15-20锌白铜#结构铜镍合金

BZn15-20锌白铜#结构铜镍合金
BZn15-20 argentan to structure of copper and nickel, alloy its appearance is beautiful silvery white, commonly known as deutsche bank (was Chinese silver), BZn15-20 white copper with high strength and corrosion resistance, good plasticity, under hot and cold are machined well under pressure, but poor machinability, poor weldability, elasticity is better than that. QSn6.5-0.1. Cupronickel BZn15-20 structure used in damp, working parts and instrument parts in corrosive environment, medical equipment, telecom parts, artwork, spring tubes, etc.
BZn15-20锌白铜为结构铜镍,合金其外表具有美丽的银白色,俗称德银(本来是中国银),BZn15-20锌白铜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,弹性优于。QSn6.5-0.1。BZn15-20结构白铜用于潮湿,腐蚀环境中工作的零件及仪表零件,医疗器具,电讯零件,艺术品,弹簧管等。
化学成份:
  铜 Cu :62.0~65.0
  镍+钴 Ni+Co:13.5~16.5
  锌 Zn:余量
  铅 Pb:≤0.02
  磷 P:≤0.005
  铁 Fe:≤0.5
  锰 Mn:≤0.3
  硅 Si :≤0.15
  锑 Sb :≤0.002
  硫 S :≤0.01
  砷 As :≤0.010
  碳 C:≤0.03
  铋 Bi:≤0.002
  镁 Mg:≤0.05
  注:≤0.9(杂质)
  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:BZn15-20锌白铜#结构铜镍合金
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