>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: Φ45/90mm-Φ92/188mm
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: 朔州市| 凤山县| 西峡县| 英吉沙县| 泰来县| 文昌市| 东乡族自治县| 翁源县| 集安市| 抚宁县| 寿阳县| 土默特左旗| 固镇县| 澄迈县| 米脂县| 石景山区| 清徐县| 东丰县| 梁河县| 温宿县| 天镇县| 绩溪县| 乃东县| 吉隆县| 朝阳县| 长岛县| 边坝县| 淮北市| 错那县| 巩留县| 五大连池市| 柳州市| 仙桃市| 泰和县| 南阳市| 广昌县| 花莲县| 疏勒县| 郁南县| 海安县| 桂平市|