麻豆人妻无码性色AV专区,亚洲AV极品无码专区在线观看,18禁美女黄网站色大片在线,秋霞无码久久久精品,宅男噜噜噜66网站在线观看,真人无码作爱免费视频网站,中国亚州女人69内射少妇,丝袜美腿亚洲一区二区,少妇高潮无套内谢麻豆传,国产精品无码AV片在线观看播

<center id="ojlzu"></center>
<rt id="ojlzu"></rt>
    <rt id="ojlzu"></rt>
  1. <rt id="ojlzu"></rt>
      1. Wuxi Gotele Metal Products Co., Ltd : CN EN
        Carbon Steel Pipe/Tube for Oil Drill Pipe

        Standard: ASTM A106, P235GH, EN10210, ASTM A572, AS/NZS 1163, AWWA C210, AWWA C200, etc.


        Process Method: hot rolling, cold drawn or Welded.

        產(chǎn)品詳情技術(shù)參數(shù)包裝其他
        Wuxi Gotele Metal Corporation is most experienced manufacturer of steel pipes in China over 30 years, 
        we could many kinds of carbon steel pipes, including:
        Seamless Steel Pipe, ERW Steel Pipe, SSAW Steel Pipe, LSAW Steel Pipe
        Galvanized Steel Pipe, Square Steel Pipe, Rectangular Steel Pipe

        API Steel Pipe, Oval Tube and so on.

        Modern drill pipe is made from the welding of at least three separate pieces:

        box tool joint, pin tool joint, and the tube.

        The green tubes are received by the drill pipe manufacturer from the steel mill.

        The ends of the tubes are then upset to increase the cross sectional area of the ends.

        The tube end may be externally upset (EU), internally upset (IU), or internally and externally upset (IEU).

        Standard max upset dimensions are specified in API 5DP,

        but the exact dimensions of the upset are proprietary to the manufacturer.

        After upsetting, the tube then goes through a heat treating process.

        Drill pipe steel is commonly quenched and tempered to achieve high yield strengths

        (135 ksi is a common tube yield strength).?

        Packing of Carbon Steel Pipe/Tube:

        Shanghai Metal Corporation provides worldwide customers with standard seaworthy packaging to protect the goods during the delivery.

        Fixed by steel strip in bundles, wrapped by plastic bag,

        SMC packaging has multiply choices for each customer.

        In addition, SMC packing attached with SMC label, indicating clearly about the product information. 

        Special requirement can be achieved for clients demand. Please feel free to contact us for further detail.

        We provide wide range of sizes for different applications:

        Surface Treatment: Oiling, Painting, Galvanizing, Anti-corrosion, Polished, etc.  

        If you have any requests or question, please contact us for more details.

        首頁(yè)電話產(chǎn)品導(dǎo)航
        CN EN
        亚洲国产日韩综一区二区在性色| 一本色道久久HEZYO无码| 中文天堂最新版在线网| 少妇极品熟妇人妻高清| 午夜在线视频免费网站| 丰满人妻中伦妇伦精品| 国产剧情一区二区久久| 精品国产一区二区三区久久狼| 美女午夜福利一区二区| 乱码午夜极品国产内射| 国产亚洲欧美日韩俺去了| av一区二区在线播放| 国产免费美女诱惑av| 亚洲综合成人av在线| 久久精品国产亚洲性色av网站| 亚洲日本在线中文字幕| 中文字幕久久精品一区| 欧美激情高潮无遮挡男男| 91中文字幕一区在线| 视频在线播放你懂的一区| 国产三级久久久精品麻豆三级| 国产气质美女视频一区| 91精品国产高清自在线| 高跟丝袜一区二区三区| 港台成人午夜福利av| 国产婷婷色一区二区三区| 内地自拍三级在线观看| 久久久久久人妻无码| 亚洲一区二区av偷偷| 亚洲中文字幕在线第二页| 国模娜娜大胆扒开自慰| 北岛玲日韩精品一区二区三区| 精品国产一区二区三区四区色 | 成人一区二区精品入口| 亚洲一二三四区中文字幕| 精品无码日韩一区二区三区不卡| 在线偷拍视频精品视频| 国产高跟鞋丝袜在线播放| 日韩熟妇无套内射视频| 曰本A级毛片无卡免费视频| 国产成人高清亚洲综合|