亚洲最黄视频-亚洲最大在线-亚洲最大网址-亚洲最大色网-亚洲最大色视频-亚洲最大情网站在线观看

T steel

T steel

DESCRIPTION

T steel, is a cast T-shaped steel. Because of its cross-section with the English letter T the same name. There are two types of T-shaped steels: 1. It is the same as the H-shaped steels (GB / T11263-20


DETAILS

T steel, is a cast T-shaped steel. Because of its cross-section with the English letter "T" the same name. There are two types of T-shaped steels: 1. It is the same as the H-shaped steels (GB / T11263-2010) that the T-shaped steels are directly split with H-shaped steels. It is an ideal material to replace double-angle steel. Bending capacity with strong, simple construction, cost savings and structural advantages of light weight. 2. Hot forming a T-shaped steel, mainly used in machinery, filling small steel used.
Hot-rolled T-beam said:
T steel code and H-beam corresponding to the use of TW, TM, TN, respectively, said the wide flange T-beam, the middle flange T-shaped steel and narrow flange T-beam, which also said the same method with the H-beam. The method is as follows: height H width B web thickness t1 web thickness t2, such as T-beam Q235B or SS400 200 * 200 * 8 * 12 is 200mm wide 200mm web thickness 8mm, wing thickness 12mm T- Its grade is Q235B or SS400.

RELATED PRODUCTS

麻豆极品jk丝袜自慰喷水久久 | 免播放器激情肏屄视频 | 伊人久久综合午夜 | 亚洲欧美一区二区春色 | 97国产在线视频一区二区 | 男女后进式猛烈XX00动态图视频 | 午夜成人福利视频 | 麻豆成人无码精品视频 | 国产亲妺妺乱A片 | 国产又粗又猛 又黄又爽 视频 | 日本丰满少妇无码AAA片软件 | 制服 师生 亚洲 无码 制服 写真 | 成人免费网站入口www | 欧美一级A片久久久无码免费借种 | 精品国产一区二区在线 | 久久久久久久九九 | 精品人妻久久久久一区二区三区 | 天天婬欲婬香婬色婬视频播l | 亚洲综合中文字幕在线免费观看 | 97国产精品视频人人做人人爱 | 国产探花在线免费播放 | 一区二区三区视频在线播放 | 无码高清免费在线关看 | 国产又色又爽又黄又免费 | 久一久一做一爱一视频 | 国产亚洲精品成人片 | 最新日本中文A V网站 | 成人网站w3w3w3入口 | 特级西西444www无码视频免费看 | 中文字幕久久人妻无码精品蜜桃 | 日本十八禁视频网站在线观看 | 国产永久精品大片wwwApp | 精品无码一区二区人妻久久蜜桃 | 少妇激情无码av | 亚洲成人网址一区二区三区 | 7777777AV| 午夜羞羞爽爽爽视频免费观看 | 在线 亚洲 无码 海角 | 免费一区二区三区A片AV少妞 | 国产精品一区二区在线观看下载 | 最好的2019中文大全在线观看 |