Carbon steel ball, chrome steel ball, stainless steel ball, griding ball are our major product. Steel BallsFeatures1) Material: AISI1010-1015,AISI1085,AISI52100,SS440C,SS420,SS316,SS3042) Grade: G100,G200,G500,G10003) Size: 0.5mm to 60mm4) Customized sizes available5) As customer's requirement Steel Balls