<rt id="oy2qm"></rt>
<dfn id="oy2qm"><dd id="oy2qm"></dd></dfn>
<strike id="oy2qm"></strike>
<dfn id="oy2qm"><code id="oy2qm"></code></dfn>
<rt id="oy2qm"><code id="oy2qm"></code></rt>
Successful Pilot Production of New Grade 30MnVS6 at Steel Making Mill
  Updatetime:2014-03-18 Hits:

  First trial production for new grade 30MnVS6 was successful at steel making mills recently . This grade is specially used to produce automotive steering ball end with big difficult process. Meanwhile, the Controlling for N and S content is key point.

  In order to guarantee successful first production, the mill prepared so much in advance with technical center together, such as off-site inspection, expert advice, special raw material preparation, careful plan and field tracing test. This trial production is successful with fully satisfied chemical content control which gained valuable experience for other grade production with N and S content.

性饥渴少妇无码Av,亚洲午夜女人av电影网,亚洲精品无码一二三区,偷拍亚洲一区一区二区三区 97久久精品人人做人人爱 亚洲AV无码乱码国产精品一区二区三区
<rt id="oy2qm"></rt>
<dfn id="oy2qm"><dd id="oy2qm"></dd></dfn>
<strike id="oy2qm"></strike>
<dfn id="oy2qm"><code id="oy2qm"></code></dfn>
<rt id="oy2qm"><code id="oy2qm"></code></rt>