<noframes id="3ndnj">
<dl id="3ndnj"><delect id="3ndnj"><font id="3ndnj"></font></delect></dl><video id="3ndnj"></video>
<video id="3ndnj"><dl id="3ndnj"></dl></video>
<dl id="3ndnj"><output id="3ndnj"></output></dl><dl id="3ndnj"></dl>
<video id="3ndnj"></video>
<dl id="3ndnj"></dl>
<dl id="3ndnj"><delect id="3ndnj"></delect></dl>
<video id="3ndnj"><delect id="3ndnj"></delect></video><video id="3ndnj"><output id="3ndnj"></output></video>
<output id="3ndnj"></output><dl id="3ndnj"><output id="3ndnj"></output></dl>
<video id="3ndnj"><output id="3ndnj"><font id="3ndnj"></font></output></video>
<dl id="3ndnj"><output id="3ndnj"><output id="3ndnj"></output></output></dl>
<dl id="3ndnj"><output id="3ndnj"></output></dl>
<dl id="3ndnj"></dl><video id="3ndnj"><output id="3ndnj"></output></video>
<dl id="3ndnj"></dl>
<noframes id="3ndnj"><dl id="3ndnj"><output id="3ndnj"></output></dl>
<dl id="3ndnj"></dl>
<dl id="3ndnj"></dl>
<dl id="3ndnj"></dl><dl id="3ndnj"></dl>
<video id="3ndnj"></video>
<video id="3ndnj"></video>
<video id="3ndnj"></video>
<output id="3ndnj"></output>
  • 加入收藏設為首頁
    丁字焊管
    產品名稱:

    丁字焊管

    產品描述:

    丁字焊管由于焊縫形狀類似漢子丁,所以叫丁字焊管,丁字焊管彌補了普通的鋼管設備在生產大口徑,口徑鋼管方面的空白。

    詳細信息

    丁字焊管由于焊縫形狀類似漢子丁,所以叫丁字焊管,丁字焊管彌補了普通的鋼管設備在生產大口徑,口徑鋼管方面的空白。

    使大口徑鋼管的產量的提高。按卷管的材質來劃分,可分為碳鋼卷管、低合金卷管、高合金卷管、不銹鋼卷管等??缮a直徑在500以上,壁厚在150一下的鋼管。卷管產品廣泛用于石油、化工、氣輸送、打樁及城市供水、供熱、供氣等工程。卷管的檢測方法主要是超聲波探傷儀 ,1、卷管的同一筒節上的縱向焊縫不宜大于兩道。2、卷管對接焊縫時的組對應作到內壁齊平當公稱直徑大于宜在管內進行封底焊。在卷管加工過程中,應防止板材表面損傷。



    亚洲三级视频
    <noframes id="3ndnj">
    <dl id="3ndnj"><delect id="3ndnj"><font id="3ndnj"></font></delect></dl><video id="3ndnj"></video>
    <video id="3ndnj"><dl id="3ndnj"></dl></video>
    <dl id="3ndnj"><output id="3ndnj"></output></dl><dl id="3ndnj"></dl>
    <video id="3ndnj"></video>
    <dl id="3ndnj"></dl>
    <dl id="3ndnj"><delect id="3ndnj"></delect></dl>
    <video id="3ndnj"><delect id="3ndnj"></delect></video><video id="3ndnj"><output id="3ndnj"></output></video>
    <output id="3ndnj"></output><dl id="3ndnj"><output id="3ndnj"></output></dl>
    <video id="3ndnj"><output id="3ndnj"><font id="3ndnj"></font></output></video>
    <dl id="3ndnj"><output id="3ndnj"><output id="3ndnj"></output></output></dl>
    <dl id="3ndnj"><output id="3ndnj"></output></dl>
    <dl id="3ndnj"></dl><video id="3ndnj"><output id="3ndnj"></output></video>
    <dl id="3ndnj"></dl>
    <noframes id="3ndnj"><dl id="3ndnj"><output id="3ndnj"></output></dl>
    <dl id="3ndnj"></dl>
    <dl id="3ndnj"></dl>
    <dl id="3ndnj"></dl><dl id="3ndnj"></dl>
    <video id="3ndnj"></video>
    <video id="3ndnj"></video>
    <video id="3ndnj"></video>
    <output id="3ndnj"></output>