TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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天津市金橋焊材集團(tuán)股份有限公司
GB/T 984 EDRCrW-15
D337是低氫鈉型藥皮的CrW型熱鍛模堆焊焊條,采用直流反接。
適用于鑄鋼或鍛鋼鍛模的堆焊或修復(fù)。
1. 焊前焊條須經(jīng)300~350℃烘焙1h。
2. 焊前需將工件預(yù)熱至300~400℃以上,焊后緩冷。
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