精品乱子伦一区二区三区,_妓院_一钑片_免看黄大片,2019AV天堂网在线播放

Alloy screw

Home > Product > Alloy screw >

Alloy screw

Alloy screw

  • Specifications:
     
    Screw diameter: 15-300 mm
     
    Maximum length: 8000mm
     
    Inner diameter of barrel: 15-300 mm
     
    Maximum length: 4000 mm
     
     
     
    Different alloy materials can be selected according to different raw materials
     
     
     
    Substrate material:
     
    1)38CrMoAlA(JIS SACM645)
     
    Alloy material:
     
    1) Nickel base alloy + tungsten carbide
     
     
     
     
     
    Treatment process:
     
    heat treatment
     
    Nitriding treatment
     
    Spraying bimetallic alloy
     
    Centrifugal casting of bimetallic alloy
     
     
     
    Technical parameters:
     
    Nitriding depth: 0.50mm-0.80mm
     
    Nitriding hardness: 58-62hrc
     
    Surface roughness: RA 0.4
     
    Screw straightness: 0.015mm
     
    Double alloy depth: 3mm

<i id="uc0bl"><dd id="uc0bl"></dd></i>
<form id="uc0bl"><video id="uc0bl"><dfn id="uc0bl"></dfn></video></form>

      <strong id="uc0bl"><bdo id="uc0bl"><strong id="uc0bl"></strong></bdo></strong>

        主站蜘蛛池模板: 潍坊市| 东兴市| 勐海县| 维西| 阿克陶县| 常州市| 婺源县| 香格里拉县| 上饶市| 随州市| 多伦县| 辽宁省| 凤庆县| 海阳市| 台北市| 崇明县| 桐庐县| 吉安市| 吉林市| 蛟河市| 南丹县| 临江市| 区。| 镇康县| 江源县| 兴文县| 和龙市| 抚顺县| 昌都县| 禹城市| 镇江市| 五华县| 贵南县| 利川市| 肥东县| 宿州市| 互助| 鲁甸县| 綦江县| 吴川市| 双鸭山市|