>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: 措勤县| 霍城县| 北宁市| 饶阳县| 五大连池市| 额济纳旗| 祁东县| 大方县| 鹿泉市| 赞皇县| 宜城市| 乌苏市| 乌兰县| 琼海市| 体育| 山东省| 正阳县| 白沙| 定兴县| 师宗县| 通渭县| 长寿区| 龙江县| 民权县| 友谊县| 东安县| 米泉市| 玉山县| 巨鹿县| 镶黄旗| 容城县| 新兴县| 稷山县| 望江县| 沐川县| 武穴市| 佛学| 纳雍县| 资溪县| 万载县| 洪雅县|