material:stainless steel ball AISI316 grade;g100 hrc:58-63 size:1 ... ,AISI1085,G40-G1000,2mm-60mm),chrome steel balls(AISI52100 G10-G1000,1mm-60mm)stainless steel balls(AISI304,316,420,440 G100- ... 1 tonDelivery Time :30days.Payment Terms :30%T/T in advance before production,70%T/T against the copy of ... ,TianjinPrice term:FOB,CFR,CIFProduct and Packing picture: AISI420C stainless steel balls made in china