D812钴基焊条耐高温耐磨焊条AWSECoCr-BJISDF-CoCrBEDCoCr-B-03D812钴基焊条型号：EDCoCr-B-03说明：钴铬钨合金焊芯的钴基堆焊焊条，采用直流反接，堆焊金属在650℃工作仍能保持良好的耐磨性和耐腐蚀性。用途：用于高温高压阀门、高压泵的轴套筒和内衬套以及化纤设备的斩刀刃口等。熔敷金属化学成分/%C1-1.7Si≤2Mn≤2Cr25-32Fe≤5W7-10其他≤4余量为Co堆焊硬度HRC：≥44钴基焊条具有无偏心、电弧稳定、飞溅小、溶渣覆盖均匀、脱渣易、焊缝成型好，金属强度、塑性、韧性、抗气孔性能良好等特点。电焊条Electrode硬度HDC化学成分（重量%）NominalChemicalComposition（wt%）应用（Application）CCrSiWFeMoNiCoMnD80238-451.0029.001.004.505.000.503.00Ba11.00发动机气门，高温高压阀门，渦轮机叶片Enginevalve,hightemperature&pressurevalvesandturbinebaldeD81243-501.3529.001.009.005.000.503.00Ba11.00高温高压阀门，锯齿，螺旋推杆等hightemperature&pressurevalves,sawteeth,screwflights,etcD82246-552.2029.002.0014.005.000.503.00Ba11.00阀座，轴承，刀口等Valveseatinserts,bearing,cutteredge,etcD83220-400.3028.001.002.505.502.50Ba12.00渦轮机叶片，各种液体阀，阀座，热冲模等turbinebalde,fluidvalve,valveseat,brasscastingdie)