司太立钴基6号合金焊条钴基12号钴基电焊条

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">说明：钴基portant;"; line-height: 26px !important;">6portant;"; line-height: 26px !important;">号钴铬钨合金焊芯的堆焊焊条，采用直流反接，堆焊金属在portant;"; line-height: 26px !important;">650portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">工作仍能保持良好的耐磨性和耐腐蚀性。

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">用途：用于要求在portant;"; line-height: 26px !important;">650portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">左右工作仍能保持良好的耐磨性和耐腐蚀性的场合，或承受冲击和冷热交错的部位，如堆焊高温高压阀门及热剪切刀刃等。

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">堆焊层硬度portant;"; line-height: 26px !important;">HRC≥40

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">熔敷金属化学成分portant;"; line-height: 26px !important;">/%

portant;"; line-height: 26px !important;">司太立portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">钴基portant;"; line-height: 26px !important;">12portant;"; line-height: 26px !important;">号堆焊焊条

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">说明：钴基portant;"; line-height: 26px !important;">12portant;"; line-height: 26px !important;">号钴铬钨合金焊芯的堆焊焊条，采用直流反接，堆焊金属在portant;"; line-height: 26px !important;">650portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">工作仍能保持良好的耐磨性和耐蚀性。

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">用途：用于高温高压阀门、高压泵的轴套筒和内衬套筒以及化钎设备的斩刀刃口等

portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">堆焊层硬度portant;"; line-height: 26px !important;">HRC≥44portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">熔敷金属化学成分portant;"; line-height: 26px !important;">/%

portant;"; line-height: 26px !important;"> portant;"; line-height: 26px !important;">钴基堆焊焊条注意事项：portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">1portant;"; line-height: 26px !important;">、焊前焊条须经portant;"; line-height: 26px !important;">200portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">左右烘portant;"; line-height: 26px !important;">1portant;"; line-height: 26px !important;">小时以上再行施焊接。portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">2portant;"; line-height: 26px !important;">、焊时尽可能采用短弧，并且焊条与工作保持垂直。portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">3portant;"; line-height: 26px !important;">、根据工作的大小和母材的种类须经portant;"; line-height: 26px !important;">300portant;"; line-height: 26px !important;">～portant;"; line-height: 26px !important;">600portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">预热。宜采用小电流短弧焊接。portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">4portant;"; line-height: 26px !important;">、焊后应在portant;"; line-height: 26px !important;">600portant;"; line-height: 26px !important;">～portant;"; line-height: 26px !important;">700portant;"; line-height: 26px !important;">℃portant;"; line-height: 26px !important;">portant;"; line-height: 26px !important;">回火portant;"; line-height: 26px !important;">1portant;"; line-height: 26px !important;">小时后在缓冷或将工作立即放入干燥和热的沙箱内或草灰中缓冷，以避免裂纹。portant;"; line-height: 26px !important;">
portant;"; line-height: 26px !important;">5portant;"; line-height: 26px !important;">、堆焊层须经粗磨，如发现缺陷时，按上述步骤进行焊补portant;"; line-height: 26px !important;">