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    162017-9

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    162017-9

    直縫鋼管無損檢測1.直縫鋼管焊縫外觀基本要求直縫鋼管無損檢測前,焊縫外觀檢查應符合要求。對直縫鋼管焊縫外觀和焊接接頭表面質量的一般要求如下:焊接外觀應成型良好,寬度以每邊蓋過坡口邊緣2mm為宜。角焊縫的焊腳高度應符合設計規定,外形應平緩過渡。焊接接頭表面(1)不允許有裂紋、未熔合、氣孔、夾渣、飛濺存在。(2)設計溫度低于-29度的管…

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    162017-9

    新疆西山監獄至紫金城燃氣管線投入運行12 月2 日,由新疆昊通百圣能源投資管理有限公司修建的兵團西山監獄至紫金城燃氣管線投入運行,標志著紫金城及周邊用戶安全“雙氣源”供氣模式正式啟動。燃氣管道廠家,河北華洋鋼管為您提供優質燃氣管道。據了解,為保障九鼎農產品批發市場燃氣需求,新疆昊通百圣能源投資管理有限公司于2013 年修建了批發市場供氣站,該站燃氣…

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