三级片a片无码_蜜乳AV成人电影_丝袜足交视频在线_日韩精品中文字幕亚洲专区腿精_安徽搡BBBB槡BBBB_欧美日B操B_非洲AV成人无码久久精品_av尤物_www.亚洲黄_WWWWWW美国黄片_蜜乳av影视_久久久亚洲成人AV无码电影_A片免费看在线不卡_国产无码8区_日屄福利视频

Successful Hot Experiment of Φ800mm Electroslag Round Billet at Xingtai Steel
  Updatetime:2014-06-18 Hits:

  In order to increase sizes of electroslag billet, the remelting research center of Xingtai Steel proceeded renovation project for Φ800mm electroslag round billet at 1# electroslag furnace. This project was successfully finished after 3 days urgent construction on June 15 and first hot experiment was successful on June 16.

  So far, Xingtai Steel could produce 4 types of electroslag billets including Φ600mm×6m round billet produced at 1# furnace, Φ600mm×4m round billet (atmosphere protection) and 160mm×160mm×9m small square billet (atmosphere protection)produced at 2# furnace developed before. 

  Its success marked production capacity of Xingtai Steel for electroslag billet used to Cr5 series high-end cold rolls, large scale H13 modules and large axie which realized round billet product seriation.