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

Strip

Hot rolled strip

DESCRIPTION

Strip steel is a kind of narrow and long steel plate produced by various rolling enterprises in order to meet the needs of industrial production of various kinds of metal or mechanical products in diff


DETAILS

Strip steel is a kind of narrow and long steel plate produced by various rolling enterprises in order to meet the needs of industrial production of various kinds of metal or mechanical products in different industrial sectors. Strip steel, also known as steel, is less than 1300mm in width, the length of each roll is slightly different in size.
 
Strip is widely used in the production of welded steel pipe, cold-formed steel billet, manufacturing bicycle frames, rims, clamps, washers, springs, saw blades, metal products and blades
Cold-rolled strip steel production process is generally: pickling → rolling → process lubrication → annealing → smoothing → cutting → packaging.
 
Cold-rolled strip process: Pickling - Rolling - Annealing - Rolling Synchronous lubrication - Antirust oil - Flat length - Polishing - Packaging
 
Hot-rolled strip process: Heating furnace - Phosphorus removal machine - Roughing mill - Phosphorus removal machine - Finishing mill - Surface quality inspection instrument - Layer cold - Coiler - Balers - Pen Machine - roll library slab
 
Hot-rolled strip production process: First, the temperature in the heating furnace to the desired rolling temperature, and then through the roller into the roughing phosphorus removal of the slab produced by the oxide scale, and then into the rough rolling mill The strip width and thickness of the rolling, and then by the roller conveyor to the finishing mill dephosphorization of the surface of the strip produced by the oxide scale, into the finishing rolling unit of the strip thickness and width of more For the precision rolling, strip by the roller through the cold on the surface temperature before the coiling of the strict control before entering the coiler to become the last bunch of coil, spray into the coil storage package. .

RELATED PRODUCTS

极品学生粉嫩美女在线播放 | 亚洲 国产 激情 | 超多3D资源尤物网站 | 中文字幕人妻不卡av在线 | 免费一级全黄少妇性色生活片孕妇 | 国产在线拍揄自揄拍无码网站新闻 | 一级a性色生活片久久无 | 好看中国黄色录像带九一视频 | 国产粉嫩嫩BBB | 又粗又深又猛又爽少妇 | 中文字幕在线免费看线人 | 精品99久久久久成人网站免费 | 日本老熟妇五十路 | 16jk双马尾被强奸内射中出免费 | 国产又粗又硬又猛的毛片视频 | 五十歲熟女亂伦一区二区免费视频 | 韩国一级了婬片A片 | 亂倫激情69一二三区 | 午夜精品A片一区二区三区老狼 | 91视频在线观看免费 | 五月天婷亚洲天综合网综合 | 成人社区一区二区三区 | 国产AV秘无码一区二区三区 | 少女哔哩哔哩视频在线看 | 亚洲精品在线视频 | 中国少妇自慰精品HD | 91视频一区二区三区四区 | 中国黄片一区二区三区 | 久久久精品网无码专区 | 亚州艳妇乳肉亭乳av | 69无码人妻一区二区三区蜜桃 | 成人无码在线观看视频无码在线 | 男女又黄又刺激A片免费吻胸 | 蜜桃在线一区二区 | 中文字幕乱码亚洲中文在线 | 夜色资源一区二区三区 | 成人直播在线观看 | 182午夜福利182tv无码 | 亚洲AV无码成人精品涩涩麻豆 | 国精品无码一区二区 | 久久久久99精品成人网站 |