>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: 府谷县| 横山县| 广宁县| 绩溪县| 连云港市| 海伦市| 天长市| 安吉县| 乌兰县| 沭阳县| 江西省| 常山县| 湛江市| 贡嘎县| 鄱阳县| 隆林| 永平县| 五指山市| 荆门市| 兰溪市| 军事| 监利县| 资兴市| 额济纳旗| 胶州市| 盐山县| 大洼县| 拉萨市| 上高县| 雅安市| 科技| 望都县| 垣曲县| 开原市| 都兰县| 方城县| 吉隆县| 潞城市| 湘潭县| 新宾| 广宗县|