Advanced Grinding Media Ball with >12ak. J/Cm2 Toughness for Mills

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Loader, Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: diameter 20-150mm
• Material: Steel
• Type: Grinding Ball
• Usage: Chemical, Mines, Cement/ Power Plant, Ball Mill
• Breakage Rate: <1%
• Impact Toughness: >12ak.J/Cm2
• Hardness: 55-65HRC
• Heat Treatment: Quenching+Tempering
• Certification: TUV ISO 9001 / ISO14001 / ISO45001 / SGS
• Service: Free Samples
• Microstructure: M+C
• Transport Package: Bags or Steel Drum
• Specification: Diameter 20-150mm
• Trademark: JINCHI
• Origin: Shandong, China
• HS Code: 7326110000
• Production Capacity: 100000tons/Year

Product Description

Forged Grinding Media Ball/Grinding Media for Mine

DESCRIPTION

1. Grade: B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, BU
2. Diameter: Effortlessly ranging from 20mm to 150mm
3. Hardness: 55-65HRC
4. Breakage Rate: Remarkably <1%
5. Impact Value: Impressive >12j/Cm^2
6. Endurance impact test times: Resilient ≥20000s
7. Offers uniform hardness, high wear resistance, and outstanding impact value

Forged Grinding Media Steel Ball Chemical Composition:

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55
1090	0.90-1.10	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25

 

Specification of Forged Grinding Media Steel Ball:

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12j/cm2
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC

Our Products:

Our Factory:

Shandong Jinchi Heavy Industry Joint-stock Co., LTD shines as a professional factory with expertise in producing forged and hot-rolled grinding balls, grinding steel rods, and grinding cylpebs. With 28 years of experience in China and an annual output of over 100,000 tons, we operate 8 advanced forging and automatic rolling production lines to cater to our customers' complex demands.
Shandong Jinchi has achieved prestigious international and industrial certifications, including TUV ISO900, ISO14001, ISO45001, and has been double-certified by SGS and BV as a qualified factory. Our state-of-the-art laboratory, equipped with advanced testing equipment-such as spectrometers, hardness testers, drop testers, and impact testers-ensures comprehensive quality control and traceability throughout the entire production and shipping process.
Our customer network spans across Southeast Asia, Africa, and Latin America, reaching over 40 countries. We pride ourselves on successful business partnerships with renowned mining companies, cement plants, thermal power plants, and chemical plants globally, earning their favorable reviews.



Packaging:

Testing Equipment:
Delivery:

FAQ

Q1: What is the advantage of your company?

A: As seasoned steel ball manufacturers with 28 years of experience, we bring unmatched expertise to the table.

Q2. In which countries are your products sold?

A: Our products enjoy a global presence, being sold in Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and more. We proudly maintain branch offices in Australia.

Q3: Are you a trading company or manufacturer?

A: We are a dedicated factory.

Q4: How long is your delivery time?

A: Typically, delivery takes 10-15 days, depending on the quantity required.

Q5: Do you provide samples? Is it free or extra?

A: Absolutely, we offer free samples; however, the freight cost is not included.

Q6: What are your payment terms?

T/T (30% in advance and 70% against the copy of B/L);
OR L/C (100% Irrevocable letter of credit at sight)