国产 亚洲 欧美 另类中文,中文字幕日韩高清DVD,国产免费一区二区三区蜜桃,麻豆精品在线播放

<var id="49rs0"><source id="49rs0"><meter id="49rs0"></meter></source></var>
  • <table id="49rs0"><acronym id="49rs0"></acronym></table>
  • <rp id="49rs0"></rp>

    <source id="49rs0"></source><table id="49rs0"></table>
  • <u id="49rs0"></u>
    Casus Products>> Casus

      The 35CrMoA produced by XINGTAI STEEL has stable composition, low harmful elements, small decarburization layer, few surface defects, and excellent plasticity and ductility. It is generally used to produce 10.9 grade high-strength fasteners. A customer of XINGTAI STEEL used this steel grade to produce bolts for nuclear power. The customer reported that the product had high strength and low cracking rate in cold heading, which met product usage requirements.