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.

        Product DetailTechnical InformationPackagingMore
        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.

        HomeTelProductsContact
        CN EN
        蜜臀av久久国产午夜| 亚洲精品人妻在线视频| 亚洲中文字幕在线一区二区三区| 亚洲国产精品久久无套| 日本理论片一区二区三区| 精品毛片av一区二区三区| 国产高清一区二区不卡| 亚洲人成网站久久久综合| 亚洲综合黄色的在线观看 | 欧美日韩国产图片区一区| 亚洲春色AV无码专区在线播放| av在线免费观看精品| 亚洲国产日韩av一区二区 | 国产精品一区二区欧美精品| 成人免费视频精品自拍| 国产女主播免费在线观看| 精品人妻系列无码人妻不卡| 亚洲精品高清在线视频| av中文字幕乱码人妻| 日本肥老熟妇在线观看| 国产偷亚洲偷欧美偷精品| 亚洲国产日韩综一区二区在性色| 国产伦理精品一区二区| 国产午夜鲁丝片AV无码| 老汉av一区二区三区| 亚洲日本视频一区二区三区| 亚洲综合激情综合久久| 9LPORM自拍视频区| 亚洲欧洲日本一区精品| 久久免费看少妇a级黄片| 国产午夜福利在线观看视频| 少妇被爽到高潮的视频| 国产熟女福利一区二区| 中文字幕一区二区三区网址| 麻豆国产AV穿旗袍强迫女佣人| 亚洲欧美日韩国内综合| 少妇人妻给我内射视频| 中文字幕av日韩有码| 亚洲老女人区一区二视频| 国产日韩av一区二区在线| 久久99精品国产一区|