201 Stainless Steel Ball Material:201 stainless steel Dia:0.3 to 50.8mm Grade:G10 to G1000 201 Stainless ... of 201 stainless steel ball Material:201 stainless steel Dia: 0.3mm to 50.8mmGrade:G10,G16,G20,G28,G40,G60 ... as switches,lamps,motorcycle accessories,bags,bearings,die castingChemical ComponetsC:0.15%maxSi:1.00%maxMn:5.5%-7.5%P ... :0.045%maxS:0.030%maxCr:16%-18%Ni:3.5%-5.5 ...