Material, Ball size & quality grade

Summary table of material, ball size & quality grade

GRADE	AISI E 52100/ EN 31	AISI 420C / 440C	300 SERIES MAGNETIC	300 SERIES NON MAGNETIC	AISI 420 / AISI S2
G-5	3.00 MM TO 5/16”	3.00 MM TO 3/16”	-------	-------	-------
G-10	3.00 MM TO 3/4”	3.00 MM TO 12.00 MM	-------	-------	3.00 MM TO ¼”
G-16	3.00 MM TO 1”	3.00 MM TO 5/8”	-------	-------	3.00 MM TO 1/2”
G-20	3.00 MM TO 1.3/16”	3.00 MM TO 1.3/16”	-------	-------	3.00 MM TO 5/8”
G-24	3.00 MM TO 2”	3.00 MM TO 1.1/2”	-------	-------	3.00 MM TO 5/8”
G-28	3.00 MM TO 2”	3.00 MM TO 1.1/2”	-------	-------	3.00 MM TO 5/8”
G-40	3.00 MM TO 3”	3.00 MM TO 50.00 MM	3.00 MM TO 12.00 MM	-------	3.00 MM TO 1”
G-60	3.00 MM TO 3”	3.00 MM TO 3”	3.00 MM TO ½”	-------	3.00 MM TO 40.00 MM
G-100	3.00 MM TO 3”	3.00 MM TO 3”	3.00 MM TO 40.00 MM	3.00 MM TO ½”	3.00 MM TO 3”
G-200	3.00 MM TO 3”	3.00 MM TO 3”	3.00 MM TO 3”	3.00 MM TO 1.1/4”	3.00 MM TO 3”