80mm Forged Grinding Media Ball for High-Impact Applications

• 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: 20mm-150mm
3. Hardness: 55-65 HRC
4. Breakage Rate: <1%
5. Impact Value: >12 J/Cm²
6. Endurance Impact Test Times: ≥20,000s
7. Uniform hardness, exceptional wear resistance, and high 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 Premium Products:

Our State-of-the-Art Facility:

Shandong Jinchi Heavy Industry Joint-stock Co., LTD stands as a beacon of excellence in the realm of forged and hot rolled grinding balls. With a rich legacy of 28 years in China, we boast an impressive annual output surpassing 100,000 tons. Our advanced infrastructure includes 8 cutting-edge forging and automatic rolling production lines, meticulously crafted to meet the diverse and intricate demands of our esteemed clientele.
Shandong Jinchi proudly holds an array of prestigious international and industrial certifications, including TUV ISO900, ISO14001, and ISO45001, alongside dual certifications from SGS and BV as a testament to our quality. Our premier laboratory, outfitted with the latest testing machines such as spectrometers, hardness testers, drop testers, and impact testers, ensures our products are scrutinized for the highest standards of quality control and traceability at every juncture, from raw material reception to final shipment.
Our distinguished clientele spans across Southeast Asia, Africa, and Latin America, encompassing more than 40 countries. We forge strong partnerships with globally renowned large mining enterprises, cement facilities, thermal power installations, and chemical plants, consistently receiving rave reviews for our sterling service and superior products.



Packaging:

Advanced Testing Equipment:
Swift Delivery:

FAQ

Q1: What is the advantage of your company?

A: We are an esteemed manufacturer of steel balls with a venerable experience of 28 years, ensuring quality and expertise in production.

Q2. In which countries are your products sold?

A: Our expansive market includes Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Côte d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and many more. We also have branch offices in Australia.

Q3: Are you trading company or manufacturer?

A: We are a manufacturing powerhouse.

Q4: How long is your delivery time?

A: Typically, our delivery timeline is 10-15 days, contingent upon the order quantity.

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

A: Absolutely, we provide samples at no charge, though the cost of freight is not covered.

Q6: What are your terms of payment?

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