>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
 
News
Location:Home > company news
Extruder screw barrel technical indicators
Author:admin  From:the Internet  Time:2014-12-28 10:37:24  Click:3981

Technical Specifications:

Material selection of high-quality aluminum chromium molybdenum 38 (38CrMOALA) quenched hardness: HB240 ~ 280

Nitriding hardness: HV≥850

Nitriding depth: 0.45 ~ 0.80mm

Nitride brittleness: ≤ two

Surface roughness: Ra0.4

Screw straightness: 0.015mm

Hard chrome plated surface after nitriding degree: HV≥900

Chrome plating thickness: 0.03 ~ 0.10mm

Dual alloy hardness: HRC56 ~ 65 (alloy nickel-based alloys)

Alloy Depth: 1.2 ~ 3.0mm

 

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: 清苑县| 乌拉特前旗| 西安市| 福安市| 郸城县| 巧家县| 上高县| 固始县| 林周县| 贡山| 恩施市| 新乐市| 普陀区| 万载县| 武邑县| 怀仁县| 绥阳县| 江门市| 平南县| 翼城县| 云浮市| 汝州市| 武陟县| 新巴尔虎左旗| 巴南区| 盱眙县| 嘉荫县| 松江区| 安塞县| 龙海市| 永济市| 黄平县| 衡山县| 兴海县| 方正县| 宜良县| 南皮县| 孝义市| 聂荣县| 宜春市| 仪征市|