>自己注冊上下分 24h在線客服! " />

一区二区三区四区精品视频,AAA网站免费无码,本色无码视频,国产亚洲日韩在线不卡

NEXT
PREV
 
Product

Specifications: Φ45 / 2mm- Φ200 / 2mm
Materials and Technology:
1. 38CrMoALA nitriding treatment
Nitriding depth: 0.5-0.8mm, nitriding hardness: HV≥920
2. 42CrMo Plating: induction hardening + plating / double metal plating PTA +
Chrome hardness: ≥HV800, thickness 0.03-0.05mm, roughness Ra0.2um
3. SKD61 quenching, vacuum quenching overall hardening treatment
Hardness index: HRC> 55-58, straightness 0.015mm / m, roughness Ra0.4um
4. 9Cr18Mov vacuum hardening, CNC circular grinding
Hardness index: HRC> 50-55, straightness 0.015mm / m, roughness Ra0.4um

All rights:Zhoushan City Weida Machinery Co.,Ltd. Add:No.2 Road Dinghai District Jintang Town,Jinshan Industrial District,Zhoushan City 浙ICP備13024562號 Technical support:93BAIDU
主站蜘蛛池模板: 绥棱县| 通河县| 阿巴嘎旗| 万州区| 佛学| 岚皋县| 扶绥县| 龙岩市| 涟源市| 临海市| 儋州市| 元谋县| 建昌县| 浦江县| 清徐县| 徐水县| 景德镇市| 普安县| 镇雄县| 黄石市| 格尔木市| 花垣县| 会泽县| 怀宁县| 海南省| 芦溪县| 平谷区| 巴林左旗| 库伦旗| 炎陵县| 响水县| 永安市| 保德县| 抚顺县| 泸定县| 合山市| 斗六市| 西盟| 连云港市| 衡阳市| 柳州市|