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
        Channel Steel for building , U Beam or C Beam

        Standard: GB/T706-2008


        Grade: 5,6.3, 6.5,24# to 40#


        Surface: galvanized or as customer request

        產(chǎn)品詳情技術(shù)參數(shù)其他

        Channel section steel is kind of carbon structural steel, for its high strength and good weldbility, it can be used in construction and automobile manufacture. We also provide flat bar plate, flat bulb steel, angle steel and other hot rolled steel product. We also provide customization product according to customers’ designation.

        This is a beam with an 'I' or 'H'-shaped cross-section that comes in a variety of standard sizes. 

        It is a very efficient form for carrying bending and shear loads in the plane of the web.

        The standard method for specifying the dimensions of a standard hot-rolled steel section 

        includes using initials to designate the type of section. 

        Channels are also known as parallel flange channels or a 'C-section'. 

        These are commonly used for columns, lintels above doors, or as a beam supporting floor joists.

        Specification of Channel Steel
        Drawing:

        Application of Channel Steel for Shipbuilding
        - Framework of construction and engineering
        - Steel tower, Building, Construction joint
        - Derrick frame and so on, etc

        These can be either equal angles or unequal angles and are often called 'L-shape' sections.

        Equal angles have legs of the same length and are most often used for balconies, stairs, concrete supports, and platforms.

        首頁電話產(chǎn)品導(dǎo)航
        CN EN
        91亚洲精品国产自在现线| 国产美女深夜福利在线一| 欧美日韩在线不卡视频| 高清激情文学亚洲一区| 粉嫩国产一区二区三区在线| 久久狠狠爱亚洲综合影院| 按摩师玩弄少妇到高潮hd| 国产AV无码专区亚洲AV毛网站| 亚洲精品中文字幕综合| 五十路熟妇雪白的大屁股| 激情一区二区三区视频| 国产视频一区一区二区| 亚洲一区丝袜美腿在线观看| 亚洲最新无码中文字幕久久| 免费久久国产精品一区| 人妻人人澡人人爽欧美一区| 在线亚洲精品国产成人二区| 亚洲av综合日韩精品久久久| 国产成人综合久久精品| 日本高清视频一区二区在线播放 | 日韩女同一区二区三区久久| 国产一区二区亚洲av| 亚洲熟妇熟色在线观看| 国产三级伦理视频在线| 久久中文字幕亚洲综合| 国产精品国产三级国产三不| 永久免费在线成人大片| 日本一区二区三区四区在线看| 国产无遮挡18禁无码网站免费| 天美传媒av在线观看| 国产日韩精品在线观看| 激情五月婷婷六月俺也去| 日本午夜久久一区二区| 在线一区二区三区黄色| 日本一区二区在线视频免费| 国产精品剧情一区二区在线| AV制服丝袜无码一区二区| 国产乱码一区二区三区中文| 中文字幕一区日韩精品| 精品国产乱码久久久久软件| 九九热这里有精品视频|