久久国产福利国产秒拍

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310s不銹鋼管定位焊縫的詳細介紹

發布者:管理員 發布時間:2021-04-07閱讀:24次

 

310s不銹鋼管定位焊縫的詳細介紹

為了防止焊接時310s不銹鋼管受熱膨脹引起變形,必須保證定位焊縫的間距,可按下表選擇。定位耐高溫不銹鋼管焊縫將來是焊縫的一部分,必須焊牢,不允許有缺陷,310s不銹鋼管如果該焊縫要求單面焊雙面成形.則耐高溫不銹鋼管定位焊縫必須焊透。必須按正式的焊接工藝要求焊定位焊縫,如果正式焊縫要求預熱、緩冷,則定位焊前也要預熱,焊后要緩;令定位焊縫不能太高,310s不銹鋼管以免焊接到定位焊縫處接頭困難,如果碰到這種情況,最好將310s不銹鋼管定位焊縫磨低些,兩端磨成斜坡,以便焊接時好接頭。

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久久国产福利国产秒拍
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