2417| 3
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求助:nm400 nm500耐磨板的焊接 |
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點評
耐磨焊條焊接開裂更厲害,如果焊絲焊接建議用60焊絲,,我做過實驗,,50,、60/70焊絲分別在不同環(huán)境下焊接,,做斷面和拉伸實驗,在預熱情況下60焊絲焊縫性能最好,,
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