Carbon in material for welding 焊接用材料中的碳 Cast ductile iron vessels, design 可锻铸铁容器，设计 pressure-temperature limitations 压力-温度界限 service restrictions...
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Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
吊车轨道的材料由于其含碳量较高， 强度大， 可焊性较差， 焊接时容易产生裂纹， 因此要严格按照工艺执行。
The increasing or decreasing of carbon in the deposit metal is depends on the carbon content of welding material. The critical value of carbon increasing for FCW is about 0.05%.
熔敷金属中的含碳量与焊接材料中的含碳量相比是增加还是减少，取决于焊接材料含碳量的多少和氧化性的强弱。
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