久久蜜桃精品国产噜噜亚洲,国产成人啪午夜精品网站,四虎影永久在线,黄色视频免费看入口,老挝女人AV免费区,国产精品免费播放,免看一级a一片成人欧美,99国产精品欧美一区二区三区,亚洲成a人片在线观看网站

Products

products

JF lead series

  • parameters

JF series materials, also known as bimetallic materials or copper lead steel strips, are made of low carbon steel or steel coil as the base material, and the surface is sintered with copper alloy steel and copper alloy products. Different copper alloy materials are suitable for different working conditions. The surface copper alloy grades can be divided into high lead series, lead series and lead-free series.


Alloy gradeNameMain chemical composition%Alloy hardness HBSteel layer hardness HBMain use occasion


cupbsnznniBi


CuPb10Sn10JF800margin9.0~11.09.0~11.050~12080~150Bushing, side plate, washer
CuPb3Zn6Sn6JF850margin2.0~4.05.0~7.05.0~7.040~8090~120
CuPb7Sn7Zn3JF830margin6.0~8.06.0~8.02.0~4.060~9080~130


1、The 10-10 materials in the above table are tested by the Wuhan Institute of Materials Protection, Ministry of Machinery Industry. The measured fatigue strength of the Glacier.vandere11 sapphire bearing fatigue tester in the UK is greater than 125Mpa.

2、“—”is not detected.

主站蜘蛛池模板: 即墨市| 莲花县| 吉木萨尔县| 分宜县| 英超| 芜湖县| 深圳市| 邵东县| 高雄市| 福州市| 六盘水市| 石城县| 开原市| 道真| 夏河县| 綦江县| 榆树市| 额尔古纳市| 贡觉县| 衡东县| 和静县| 汝城县| 房产| 普洱| 玉树县| 浪卡子县| 东安县| 上虞市| 定州市| 岢岚县| 金寨县| 桃江县| 包头市| 桓仁| 金沙县| 卢湾区| 万宁市| 无极县| 璧山县| 安丘市| 新民市|