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. Main Products
      steel for machine structure Products>> Main Products>> steel for machine structure
      Products Grade: S20C、S35C、S45C、S48C、XGS35C、XGS45C、GS35C-A、GS35C-BT、GS45C、QS45C-C
      Specifications: φ5.5~42mm
      Applied Standard:  Q/XG 115
      Characteristics: This kind of products is mostly used to produce hand tools, mechanical components and CD bar for manufacturing transmission, suspension, brake and steering devices of automobile, connecting rod of absorber in motorcycle and components of equipment and electric appliance.
      Applications: Common partsaxostyle parts
      Use of Products: This kind of products has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality, tight tolerance etc.