80mm Forged Grinding Media Ball with <1% Breakage Rate

• 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

Discover the Power of Our Forged Grinding Media Ball/Grinding Media for Mine - Engineered for Excellence!

PRODUCT DESCRIPTION

1. Grade: Our diverse grade selection includes B2, B3, 45#, 50Mn, 60Mn, 65Mn, and more!
2. Diameter: Available in a versatile range from 20mm to 150mm to suit your specific needs.
3. Hardness: Engineered for strength with a remarkable hardness of 55-65HRC.
4. Breakage Rate: Experience durability with a breakage rate of less than 1%.
5. Impact Value: Enjoy superior toughness with an impact value exceeding >12j/Cm^2.
6. Endurance Impact Test Times: Robust design ensures endurance with ≥20000s impact test times.
7. Features: Uniform Hardness, Exceptional Wear Resistance, and High Impact Value.

Forged Grinding Media Steel Ball Chemical Composition: Tailored for precision and performance.

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 Our Premium 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: Diverse, High-Quality, and Reliable Solutions

Our State-of-the-Art Factory: A Fusion of Experience and Innovation

Shandong Jinchi Heavy Industry Joint-stock Co., LTD is a distinguished leader in the manufacturing of forged and hot rolled grinding balls, grinding steel rods, and grinding cylpebs. With an impressive 28-year legacy and an annual output surpassing 100,000 tons, our expertise is unparalleled. Our cutting-edge facility boasts 8 advanced forging and automatic rolling production lines, perfectly equipped to fulfill even the most complex customer requirements.
Shandong Jinchi proudly holds esteemed international and industrial certifications, including TUV ISO900, ISO14001, and Iso45001, in addition to the dual certification of SGS and BV for factory excellence. Our world-class laboratory, fitted with advanced testing equipment-such as spectrometers, hardness testers, drop testers, and impact testers-ensures rigorous quality control and traceability at every stage, from raw material intake to production and shipment.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, covering over 40 countries. We maintain strong business alliances with renowned global mining companies, cement plants, thermal power stations, and chemical plants, consistently earning their favorable reviews.



Packaging: Secure and Designed for Maximum Protection

Testing Equipment: Precision, Accuracy, and Reliability
Delivery: Efficient and Timely to Meet Your Demands

FAQ Section

Q1: What sets your company apart?

A: As professional steel ball manufacturers with 28 years of industry-leading experience, we stand out for our expertise and dedication.

Q2. In which countries are your products sold?

A: Our products are widely distributed across Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Côte d'Ivoire, Mauritania, Chile, Peru, the Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and beyond. We also have branch offices in Australia to better serve our clients.

Q3: Are you a trading company or manufacturer?

A: We are a dedicated manufacturing factory.

Q4: What is your standard delivery time?

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

Q5: Do you provide samples? If so, are they free or chargeable?

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

Q6: What are your payment terms?

Payment Methods: T/T (30% in advance and 70% upon B/L copy).
OR L/C (100% Irrevocable letter of credit at sight).