Reliable Hot-Rolled Grinding Balls for Enhanced Mining Performance

• 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: Unleash the power of precision with our versatile range of grades, including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, tailored to elevate your mining efforts to new heights of efficiency and reliability.
2. Diameter: Experience the perfect fit for your needs with diameters ranging from 20mm to 150mm, designed to deliver optimal performance and ensure consistent results in every application.
3. Hardness: HRC 55-65 - Enjoy the superior endurance and resilience of our grinding balls, crafted to withstand the toughest conditions with an impressive hardness rating.
4. Breakage Rate: <1% - Achieve unparalleled durability with an exceptionally low breakage rate, ensuring your operations run smoothly with minimal interruptions.
5. Impact Value: >12j/Cm^2 - Experience remarkable impact resistance with an impact value exceeding 12j/Cm^2, safeguarding the integrity of your operations.
6. Falling ball times: ≥20000s - Trust in longevity and dependability with a remarkable capacity to endure over 20,000 falling ball impacts, ensuring long-lasting 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

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 - Our products are efficiently delivered through robust ocean shipping solutions, ensuring they reach you in prime condition wherever you are.
2. Customers designated transportation mode - Enjoy the flexibility of choosing your preferred transportation method to match your specific needs.
3. Packing Details: A. Steel drums (850-930kgs/drum) - Secure your products with solid steel drums. B. Flexible container bags (1 ton/bag) - Opt for lightweight and convenient flexible container bags for easy handling and storage.
4. Delivery Details: Expedite your operations with prompt delivery, guaranteed within 15-20 days after the receipt of payment or letter of credit at sight, ensuring you stay on schedule.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. Expertly crafting excellence for over a decade, Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. is a leading factory specializing in the production of forged and hot-rolled grinding balls, and alloy grinding steel rods. With an impressive annual output of 100,000 tons, our state-of-the-art facilities, featuring 10 world-class forging and automatic rolling production lines, are equipped to meet diverse and complex customer needs.

Shandong Jinchi boasts a suite of international and industrial certifications including TUV ISO900, ISO14001, and ISO45001, alongside dual certification by SGS and BV as a trusted factory. Our top-tier laboratory, armed with advanced testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability throughout the production process, from raw materials to final shipment.
Our clientele spans across Southeast Asia, Africa, and Latin America, covering over 40 countries. We proudly collaborate with prominent mining companies and major cement, thermal power, and chemical plants worldwide, earning a solid reputation for excellence and garnering commendations for our dedication to quality and service.