• <abbr id="9lafb"><button id="9lafb"><b id="9lafb"></b></button></abbr>
    
    

    • 亚洲日本va午夜中文字幕久久,亚洲人成网站观看在线观看,欧美寡妇xxxx黑人猛交,亚洲国产精品美日韩久久,亚洲精品中文字幕二区,韩国 日本 亚洲 国产 不卡,国产超碰无码最新上传,国产成人无码免费视频麻豆
      • Tel:18988581155 Candice Zhu
      • Sales Tel:18988581155
      • Fax:0760-88262588,88991166 EXT.613
      • E-mail:qr5@chnsteelball.com
      • MSN:qianrun05@hotmail.com
      Your location of:Peoducts>>420 Stainless Steel Balls
      • Numbers:420 Stainless Steel Balls
      • name:420 Stainless Steel Balls
      • material:420 Stainless
      • size:0.5mm-50mm
      • application:motorcycle parts, pulleys, stainless steel bearings, plastic bearings, crafts, valves, oil
      • packaging:
      • next | Previous
      • /upload/bpic/img_8014_副本.jpg
      • /upload/bpic/img_8031_副本.jpg
      • /upload/bpic/
      • /upload/bpic/
      • /upload/bpic/
      • /upload/bpic/
      details

      420 Stainless Steel Balls

      Applications: 420 stainless steel balls are usually used for precision and corrosion performance are demanding industries: motorcycle parts, pulleys, stainless steel bearings, plastic bearings, crafts, valves, oil.

      Features: representatives of martensite steel, commonly known as stainless iron, magnetic, have good rust resistance, high hardness HRC50-55.
       
      Chemical composition of 420 stainless steel ball

      C

      0.26-0.35%

      Cr

      12.0-14.0%

      Si

      1.00%

      Mn

      1.0% Max.

      P

      0.035%

      S

      0.030%

      Mo

      --------


      Physical properties of 420 stainless steel ball

      Tensile strength

      280,000 psi

      Yield strength

      270,000 psi

      Elastic

      29,000,000 psi

      Density

      0.275 lbs/cubic inch

      • Copyright (C) 2012 111中山市乾潤精密鋼球制造有限公司 All Rights Reserved
      • Sitemap
      主站蜘蛛池模板: 日本美女性亚洲精品黄色| 国产成人午夜福利院| 国产亚洲精品成人aa片新蒲金| 久久精品国产亚洲av亚| 性做久久久久久久久| 兴仁县| jk白丝喷浆| 激情国产一区二区三区四区小说| 国产免费播放一区二区三区| 人妻丝袜AV中文系列先锋影音| 亚洲乱码av中文一区二区| 国产毛片三区二区一区| 人妻放荡乱h文| 中文在线天堂中文在线天堂| 国产精品一区在线蜜臀| 成年女人免费碰碰视频| 国产成人午夜福利在线观看| 亚洲国产高清在线观看视频| 亚洲第一香蕉视频啪啪爽| 久久亚洲色WWW成人男男| 亚洲AV成人片不卡无码| 麻豆蜜桃伦理一区二区三区| 97亚洲色欲色欲综合网| 性姿势真人免费视频放| 国产精品v片在线观看不卡| 亚洲精品成人综合色在线| 华人在线亚洲欧美精品| 国产精品人妻中文字幕| 久久久久香蕉国产线看观看伊| 无码人妻视频一区二区三区| av天堂午夜精品一区| 成人午夜视频在线| 91久久亚洲综合精品成人| 日本亚洲一级中文字幕| 超清无码一区二区三区| 亚洲精品一区二区麻豆| 久久久久人妻精品一区三寸| 午夜欧美精品久久久久久久 | 少妇高潮灌满白浆毛片免费看| 日韩一区二区三区无码a片| 亚洲人亚洲人成电影网站色|