BZn18-26锌白铜 、洋白铜
执行标准 GB/T 4423-1992
特性及适用范围: 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,弹性优于QSn6.5-0.1。
化学成份:
铜 Cu :62.0~65.0
镍+钴 NiCo:13.5~16.5
锌 Zn:余量
铅 Pb:≤0.02
铅 Pb:≤0.02
硼 P:≤0.005
铁 Fe:≤0.5
锰 Mn:≤0.3
硅 Si :≤0.15
铍 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)
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℃。
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
Tel: 400-775-2775
0512-67587562
0512-67587563
136-4622-8850
Fax: 0512-62730372
E-mail:longtiger99@163.com
地址:苏州工业园区娄葑东富路9号
About us
Jiangsu Changhu Industrial Co., Ltd. (formerly Jiangsu Changhu Heavy Industry Group Co., Ltd.) was founded in 1996, the headquarters is located in Suzhou Industrial Park. Comparing with other processing traders, our company pays more attention to production and sales, serving more customers ranked among the top 500 in the world, covering more than five countries.
Changhu Long Tiger Group takes satisfying customer demand as its core concept, expands profit margin by integrating purchase, processing, logistics and retail into one through the integration of market value chain. With the support and operation of advanced management information system, Changhu Long Tiger Group forms a cost advantage of 1+1<2, and takes "one-stop consumption" mode as its goal. Customers reduce costs, create competitive advantages, and provide customers with 360 degree of service.