304,316,316L,420,440C and General stainless steel widely applies in the ramming bearing,the valve,the seal,bicycle ,motorcycle MaterialElement Content(%)GradeDiameterHardnessRelevant standard316LC:0.013 Si:0.42 Mn:2.07 P:0.034 S:0.006 Ni:12.18 Gr:16.31 Mo:2.114G200;G500;G10000.12-40mm<=30ISO9001-2000 GB/T4240-93304HCTC:0.056 Si:0.45 Mn:1.65 P:0.032 S:0.002 Ni:8.10 Gr:18.20 Cu:2.04G200;G500;G10000 ...