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在电焊条供应困难的情况下,我们按照以土代洋,就地取材的原则,经过几次试验,自制成功了土焊条。焊条药皮配方比例为:石英15%;萤石20％;长石50%;
In the case of difficult supply of welding wire, we follow the principle of taking the soil as the foundation and taking the material as the foundation. After several tests, we made the welding rod by ourselves. Welding rod coating formula ratio: quartz 15%; 20% fluorite; 50% feldspar;