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镍白铜B19软态白铜带 含镍量B19耐磨铜

镍白铜B19软态白铜带 含镍量B19耐磨铜
B19 chemical composition: copper Cu: cobalt nickel allowance + NiCo: 18.0 ~ 20.0 zinc zinc: 0.3 or less lead Pb: 0.005 or less phosphorus P: Fe: 0.01 or less iron manganese acuities were 0.5 Mn: 0.5 or less silicon Si: 0.15 or less stibium: 0.005 or less sulfur S: 0.01 or less arsenic As: 0.010 or less carbon C: 0.05 or less Bi Bi: 0.002 Mg Mg or less: 0.05 or less note: 1.8 or less (impurities) B19 mechanical properties: sigma tensile strength (MPa) : b 295 or higher elongation delta (%) : 25 or higher note: wire tensile mechanical properties of room temperature sample size: diameter of > 0.50 ~ 6.0 B19 heat treatment specification: casting temperature 1280 ~ 1300 ℃; Annealing temperature is 600 ~ 780 ℃; Hot working temperature 980 ~ 1030 ℃; Eliminate the internal stress of low temperature annealing temperature is 250 ℃.
B19 characteristics and scope of application: B19 for copper nickel alloy structure, with high corrosion resistance and good mechanical properties, processability under hot and cold pressure is good, can still maintain a high under high temperature and low temperature strength and plasticity, the cutting is bad.
B19化学成份:铜 Cu :余量镍+钴 NiCo:18.0~20.0锌 Zn:≤0.3铅 Pb:≤0.005磷 P:≤0.01铁 Fe:≤0.5锰 Mn:≤0.5硅 Si :≤0.15锑 Sb :≤0.005硫 S :≤0.01砷 As :≤0.010碳 C:≤0.05铋 Bi:≤0.002镁 Mg:≤0.05注:≤1.8(杂质)B19力学性能:抗拉强度 σb (MPa):≥295伸长率 δ10 (%):≥25注 :线材的室温拉伸力学性能试样尺寸:直径>0.50~6.0 B19热处理规范:铸造温度1280~1300℃;退火温度600~780℃;热加工温度980~1030℃;消除内应力的低温退火温度250℃。
B19特性及适用范围:B19为结构铜镍合金,有高的耐蚀性和良好的力学性能,在热态及冷态下压力加工性良好,在高温和低温下仍能保持高的强度和塑性,可切削性不好。

产品名称:镍白铜B19软态白铜带 含镍量B19耐磨铜
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