SWRH82B弹簧钢丝教程.doc

【82B】属于高碳钢，82代表的是它的含碳量为0.82% ，B代表等级。一般制作 HYPERLINK /s?wd=%E9%AB%98%E7%A2%B3%E9%92%A2%E4%B8%9Dtncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YdPWbduynYnHTkuj0knyu90ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPH6LnjbdPHc1 \t _blank 高碳钢丝，又称为琴钢丝。硬度范围是41-60B之间。82B钢丝是经铅浴淬火后冷拉而成，具有非常高的 HYPERLINK /s?wd=%E5%BC%BA%E5%BA%A6%E6%9E%81%E9%99%90tncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YdPWbduynYnHTkuj0knyu90ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPH6LnjbdPHc1 \t _blank 强度极限和 HYPERLINK /s?wd=%E5%BC%B9%E6%80%A7%E6%9E%81%E9%99%90tncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YdPWbduynYnHTkuj0knyu90ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPH6LnjbdPHc1 \t _blank 弹性极限，是广泛应用的小弹簧材料。钢丝的质量、性能要求严格，除 HYPERLINK /s?wd=%E6%8B%89%E4%BC%B8%E8%AF%95%E9%AA%8Ctncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YdPWbduynYnHTkuj0knyu90ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPH6LnjbdPHc1 \t _blank 拉伸试验外，还需作扭转、腐蚀、锐碳等试验。按用途可分为制造各种重要弹簧、各种高应力机械弹簧及 HYPERLINK /s?wd=%E9%98%80%E9%97%A8%E5%BC%B9%E7%B0%A7tncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YdPWbduynYnHTkuj0knyu90ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPH6LnjbdPHc1 \t _blank 阀门弹簧所用的琴钢丝。82B钢的各组分的含量如下：C：0.80-0.85；Si：0.12-0.32；Mn：0.3-0.6；P：0.025以下；S：0.025以下；Cu：0.2以下。 SWRH82B线材材质的特点 SWRH82B线材经拉拔、绞线制作 HYPERLINK /s?wd=%E9%A2%84%E5%BA%94%E5%8A%9B%E9%92%A2%E7%BB%9E%E7%BA%BFtncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y4mH6krHT4nHTvujIBnAP-0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EPW6LnWndP1cdPjmknH6zn1cY \t _blank 预应力钢绞线，广泛用于高层建筑、大跨度桥梁、水利设施等重点工程。为此，要求所用的原料——高碳钢线材应具有稳定的化学成分、纯净的钢质、优良的力学性能。由于对其质量要求职高，而其生产工艺难度大。在国内只有少数几个钢厂（宝钢、 HYPERLINK /s?wd=%E5%8C%85%E9%92%A2tncprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y4mH6k