www.66game.net.cn-亚洲AV激情无码专区在线播放,久久午夜无码鲁丝片,免费观看18禁无遮挡真人 ,www夜片内射视频日韩精品成人

<kbd id="oko6s"></kbd>
<kbd id="oko6s"><acronym id="oko6s"></acronym></kbd>
<tr id="oko6s"></tr>
  • <kbd id="oko6s"><acronym id="oko6s"></acronym></kbd>
    <kbd id="oko6s"><acronym id="oko6s"></acronym></kbd>
  • Hello and welcome to shanxi Taigu jihong Magang Casting Co., Ltd. !
    Advanced Search:

    Nine point production of galvanized pipe fittings

    Source: Time:2016-04-23 13:38:54 views:


    Nine point production of galvanized pipe fittings

    Galvanized pipe oiled marking: the inspection and approval of galvanized pipe oiled operation to prevent corrosion, and marking according to customer requirements.

    2. galvanized pipe flattening edge milling: Use anvil machine plate leveling of the original curl, and then through the edge milling machine for two-sided steel milling, so as to meet the requirements of the plate width, plate edge parallelism and slope mouth shape.

    3. Cut galvanized pipe forming: steel sheet curled into a tube along the outer edge of galvanizing.

    4. Cutting galvanized pipe welded: using double-sided submerged arc welding technology to pre-welding, welding inside and outside welding. The pipe is welded using plasma cut foot length specification.

    5. galvanized pipe visual inspection: by professional and technical personnel to some of the basic parameters to be checked.

    6. galvanized pipe ultrasonic inspection: internal and external weld and weld on both sides of the base material 100% inspection.

    7. X-ray detection galvanized pipe: internal and external welds 100% X-ray industrial TV check image processing system to ensure that the use of detection sensitivity.

    8. galvanized pipe pressure test: the hydrostatic testing machine for tube-by-root test to ensure the pipe to test pressure requirements of the standard.

    9. galvanized pipe chamfering flat head: galvanized pipe will be inspected after the pipe end processing, to achieve the pipe end beveling size requirements.


    keys: 

    Previous:March galvanized pipe trend analysis

    next:Already the last article

    Return

    contact us


    Company Name: Taigu County in Shanxi Province Jihong Malleable Iron Castings Co., Ltd.

    Address: 108 State Road Hu Taigu County town Magang Industrial Area

    Contact: 15235470280

    mailbox:dzq106@163.com

    Fax: 0354-6320128

    Website: http: //www.www.66game.net.cn


    Home page   |  about us   |  Products   |  News Center   |  Honor   |  Feedback   |  contact us   |  Partner   | 

    久久精品国产精品2020| 日本一区二区在线免费观看| 黑人巨茎大战欧美白妇| 亚洲欧美日韩久久精品| 国产成人av区一区| 亚洲另类无码专区偷拍| 在线观看免费日本中文| 天堂草原电视剧在线观看图片高清| 2022久久国产精品免费热麻豆| 色婷婷欧美在线播放内射|