长输管道焊接耗材用量计算 【摘 要】对长输管道气体保护金属粉芯焊丝半自动 焊和自保护药芯焊丝半自动焊的焊接材料用量进行了计算， 提出了焊材用量计算的修正公式的，并将计算结果与工程实 际用量进行了对比，两者基本吻合。 【关键词】长输管道；焊接耗材；理论计算值；实际用 量 【Abstract】For the combination welding processes of semi-automatic GMAW and FCAW-S which used in in the pipeline construction. The related welding consumables has been Calculated according to the revised formula， and then compared with the actual consumption； th