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

Extruder screw

Home > Product > Extruder screw >

Extruder screw

Extruder screw

  • Specifications:
     
    Screw diameter: Ø 15-Ø 300
     
    Aspect ratio: 15-46
     
     
     
    Product type:
     
    For different plastic products, screw can be selected: common type, pin type, barrier type, separation type, exhaust type, etc
     
    Substrate material:
     
    1)38CrMoAlA(JIS SACM645)
     
    2)42CrMo(AISI 4140)
     
     
     
    Treatment process:
     
    heat treatment
     
    Nitriding treatment
     
     
     
    Technical parameters:
     
    Nitriding depth: 0.50mm-0.80mm
     
    Nitriding hardness: 900-1000hv
     
    Nitriding brittleness: < = grade 1
     
    Surface roughness: RA 0.4
     
    Screw straightness: 0.015mm
     
    Hardness of surface chromium plating after nitriding: ≥ 950hv

<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: 襄垣县| 格尔木市| 察隅县| 锡林浩特市| 朝阳市| 文登市| 招远市| 湾仔区| 青浦区| 安宁市| 吴桥县| 西华县| 昌吉市| 霍林郭勒市| 浦县| 西畴县| 明星| 曲麻莱县| 平江县| 渑池县| 包头市| 宣威市| 台湾省| 潜江市| 卢龙县| 酒泉市| 玉环县| 彭阳县| 安新县| 兴山县| 楚雄市| 永善县| 武清区| 融水| 河西区| 连南| 北流市| 宣武区| 宜黄县| 台东市| 临沂市|