久久中文字幕久久无码,亚洲日韩va一区二区三区,99re6在线观看国产精品,成人国产精品秘 果冻传媒在线

  • <video id="boa4d"><mark id="boa4d"><noframes id="boa4d"></noframes></mark></video>
  • <b id="boa4d"><acronym id="boa4d"></acronym></b>
    <var id="boa4d"><track id="boa4d"><ins id="boa4d"></ins></track></var>

    <video id="boa4d"><mark id="boa4d"></mark></video>
    <u id="boa4d"></u>

    1. 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.