... :2008/SGS test report/ROHS report Stainless steel ball Name: Stainless steel ballsMaterial: AISI304,316,420C, ... Material will not pass the 72 hours salt bath test.316 is Austenitic stainless steel with features ... pumps and bearings).OUR MAIN PRODUCTS:Stainless steel ball:AISI302,304,316,420,4440CBearing steel balls:AISIE52100Carbon ... Information,Plz contact us! 8mm High Quality Stainless steel ball