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

      30MnVS6 produced by XINGTAI STEEL has the feature of stable chemical composition and mechanical property, minor decarburization, good surface quality, homogeneous microscopic structure. Not only the grade cost-saving for quenched and save heat treatment process, also avoid the deformation of products caused by heat treatment. 30MnVS6 is a kind of Non-quenching steel for grade 8.8-9.8 fasteners,There are few enterprises in this kind of steel . A customer of XINGTAI STEEL uses the steel production ball rod, which is applied to the well-known automobile brand steering system, and the control of various indicators is stable, which can meet the requirements completely.