>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: 黄平县| 丽水市| 封丘县| 民乐县| 隆化县| 荆州市| 望奎县| 广汉市| 临江市| 大关县| 加查县| 青田县| 资阳市| 邓州市| 体育| 巴林左旗| 烟台市| 遂川县| 商水县| 和田县| 麻城市| 莲花县| 静宁县| 塔河县| 松潘县| 石泉县| 高雄县| 神池县| 博罗县| 辉南县| 黄冈市| 屏山县| 昌图县| 莱州市| 武邑县| 耒阳市| 荥经县| 上高县| 定安县| 留坝县| 湖口县|