fushuntegangweimougongsiyanzhideqifayongnicr20tialhejingaojingdudingchibangcai，φ57-φ115mmguige，chicungongcha±0.15mm，biaomiancucaoduyaoqiu2.0μm。cailiaoguronghou（jiaohuotai）yingdubiaozhun270～325hb，shixiaohou（shiyongtai）yingdubiaozhun≥370hv，junjiaonanmanzu。tongguoyouhuayelianhejiagongherechulizhizaogongyi，bangcaichicunjingduhebiaomianzhiliangdadaoyonghuyaoqiu，guronghouyingduhbzai309～317zhijian，shixiaohoulixuexingnengjunmanzuyonghuyaoqiu。chanpindadaoguowaitongdengshuiping。