1.安徽/上海厂家直销防腐防锈无磁SGS不锈AISI304不锈钢 9.525MM2.材料：如图 材料对照表国家标准轴承钢碳素钢不锈钢中国YBGCr15101545851Cr18Ni90Cr19Ni90Cr17Ni12Mo23Cr139Cr18美国AISIE521001010101510451084302304316420440C日本JISSUJ2S9CKS15CKS45CSUP3SUS302SUS304SUS316SUS420J2SUS440C西德DIN100Cr6CK10CK15CK45X12CrNi188 8X5CrNi189X5CrNiMn18X30Cr131.35051.43001.430110(1.4401)1.4028 3.等级：如图 等级球直径变动量球形偏差球表面粗糙度球直径变动量基本直径公差Vdws△SphRaVdwlTdn不超过not overum100.250.250.0250.5*160.40.40.0320.8*200.50.50.051*280.70.70.051.5*401.01.00.082*601.51.50.103*1002.52.50.1255±12.5200550.210±255001313*25±5010002525*50±125 4.用途：此款304不锈钢是常用的不锈钢球，运用塑料五金件，家电家具电器开关，化妆瓶喷雾器，奶瓶盖，宠物用品器具及汽车轴承仪器等