A karkashin sanyi yanayi low-carbon karfe waldi, da sanyaya kudi na welded hadin gwiwa, wanda ya sanya fatattaka hali ya karu, musamman a farkon weld Heavy Tsarin mai saukin kamuwa da fatattaka, shi wajibi ne a dauki wadannan matakai na tsari:
1) Ba zai yiwu ba a ƙarƙashin yanayin ƙananan zafin jiki na lankwasawa, gyare-gyare da welding taro.
2) Preheat, 16Mn m karfe bututu waldi tsari tsananin kiyaye interlayer zafin jiki kada fada kasa da preheating zafin jiki.
3) Hydrogen ko ultra-low hydrogen waldi.
4) Dole ne a kammala duk abin da ke ci gaba da walda don guje wa katsewa.
5) A lokacin da saka waldi ƙara waldi halin yanzu, waldi gudun slows saukar, saboda ƙara tack welds giciye-section yankin da tsawon, preheated idan ya cancanta.
6) Ba za a yi a kan wani tushe abu arc tsagi surface wanin bukatar cika ramin lokacin da bacewar.
Lokacin aikawa: Mayu-29-2023