Premium Grinding Balls with Low Breakage Rate for Mining

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant
• Model NO.: 20mm-150mm
• Material: Steel
• Type: Grinding Ball
• Breakage Rate: Below 1%
• Hardness: Hardness
• Impact Toughness: >12ak.J/Cm2
• Microstructure: M+C
• Customized: Customized
• Transport Package: Flexible Container Bags or Steel Drums
• Specification: 20mm-150mm
• Trademark: JINCHI
• Origin: Made in China.
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Product Description

1. Grade: Distinguished by excellence, our top-notch grinding balls are meticulously crafted from superior-grade materials, including 45#, 50Mn, 60Mn, 65Mn, and enhanced with elite alloys like B2, B3, BL, and BG.
2. Diameter: These precision-engineered balls are versatile, with sizes ranging from a nimble 20mm to a robust 150mm, satisfying a spectrum of industrial requirements with finesse.
3. Hardness: Showcasing a formidable hardness of HRC 55-65, our grinding balls are the epitome of durability, ensuring consistent, high-performance operations.
4. Breakage Rate: Renowned for their reliability, these balls boast an extraordinary breakage rate of less than 1%, offering unparalleled longevity.
5. Impact Value: Engineered for endurance, these balls possess an impressive impact value exceeding 12j/Cm^2, ready to tackle the most demanding operational challenges.
6. Falling ball times: With an outstanding ≥20000s falling ball times, they promise unrivaled durability, even under the harshest environmental conditions.

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

Detailed Photos

 

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC
Φ150

 

Certifications

 

Packaging & Shipping

1. Ocean shipping: Delivering reliability and assurance, our comprehensive ocean shipping solutions ensure timely, safe delivery to your specified location.
2. Customers designated transportation mode: We provide the utmost flexibility by accommodating preferred shipping methods chosen by our customers.
3. Packing Details: A. Securely encased in robust steel drums (850-930kgs/drum) B. In flexible container bags (1 ton/bag) for optimized logistical efficacy.
4. Delivery Details: Timely delivery assured within 15-20 days following payment confirmation or receipt of LC, facilitating seamless transactions and utmost customer satisfaction.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. As a leading professional entity, we specialize in the production of forged and hot rolled grinding balls, along with high-quality alloy grinding steel rods for over ten years. With an impressive annual production capacity of 100,000 tons, our 10 state-of-the-art forging and automatic rolling production lines are fully equipped to meet the complex and diverse demands of our global clients.

Shandong Jinchi has earned prestigious certifications such as TUV ISO900, ISO14001, and ISO45001, alongside dual certifications by SGS and BV, affirming our qualification as a factory of distinction. Our advanced laboratory, equipped with cutting-edge testing apparatus including spectrometers, hardness testers, drop testers, and impact testers, ensures stringent quality control and traceability from raw material intake to final shipment.
Our esteemed clientele extends across Southeast Asia, Africa, and Latin America, covering over 40 countries. We maintain robust partnerships with renowned global mining companies, as well as cement, thermal power, and chemical plants, all of whom consistently commend us for our superior products and exceptional services.