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關鍵詞搜索: 隱形焊管 山東鋼管廠 焊管生產廠

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濟南隱形焊管焊縫的抗拉強度和冷彎性能要適合規定。

返回列表 來源:華洋瀏覽:32 發布日期:2019-5-5 13:43:53

隱形焊管是將低碳碳素結構鋼或低合金結構鋼鋼帶按一定的螺旋線的角度(又叫成型角)卷成管坯,然后將管縫焊接起來制成,它可以用較窄的帶鋼生產大直徑的鋼管。螺旋焊管主要是螺旋埋弧焊管(SSAW),在我國廣泛用于各種燃氣管道的建設,其格式用外徑*壁厚表示。螺旋焊管有單面焊的和雙面焊的,焊管應保證水壓試驗、焊縫的抗拉強度和冷彎性能要適合規定。

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