Grinding Balls Ball Mill Sparts High Chromium Steel Balls Low Chromium Steel Balls Wear Resistant Steel Balls

• Customization: Available
• Certification: CE, ISO 9001:2008
• Standard: AISI, ASME, GB, DIN
• Model NO.: Grinding Balls
• Surface Treatment: Polishing
• Manufacturing Process: Casting
• Material: High Manganese Steel
• Color: Request
• Sample Order: Available
• Application: Quarry
• Use: Ore Mining
• Transport Package: Standard Container, in Bulk, Nude Packs
• Specification: 20-130MM
• Trademark: S CASTING PARTS
• Origin: Jinhua, China
• HS Code: 84749000
• Production Capacity: 500 Tons/Month

Product Description

 Chemical composition of forging steel balls

Brand	Materials	C%	Si%	Mn%	P%	S%	Cr%	Ni%	Cu%
JC-1	B2	0.7-0.85	0.17-0.37	0.7-1.00	≤0.035	≤0.035	0.50-0.60	≤0.20	≤0.20
JC-2	B2-1	0.55-0.7	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10	≤0.20	≤0.20
JC-3	B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90	≤0.20	≤0.20
JC-4	B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00	/	≤0.25
JC-5	B6	0.75-0.9	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98	≤0.25	≤0.25
JC-6	B6-1	0.82-0.9	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98	≤0.25	≤0.25
JC-7	BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55	≤0.06	≤0.15
JC-8	1090	0.9-1.1	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025	≤0.02	≤0.02
JC-9	42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20	/	/
JC-10	40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10	/	/
JC-11	65MN	0.62-0.7	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25	/	/
JC-12	60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25	≤0.25	/
JC-13	50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25	≤0.25	/

Specification of forged steel Grinding balls

Nominal diameter	Diameteical Tolerance	Weight of single ball in average	Surface hardness	Impact toughness
(mm)	(mm)	(G)	(HRC)	(J/c)
Ф20	+2        -1	32	>60	≥12
Ф25		64
Ф30		110
Ф40		263
Ф50		513
Ф60	+3        -2	888
Ф70		1410
Ф80		2104
Ф90		2996
Ф100	+4        -2	4110
Ф110		5457
Ф120		7102	>58
Ф130		9030
Ф140	+4         -3	11278	>55
Ф150		13871