Durable Grinding Media Balls with Low Breakage Rate for Mills

• 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: From the robust 45# to the mighty BG, including 50Mn, 60Mn, 65Mn, B2, B3, and BL.
2. Diameter: Available in a comprehensive range of 20mm-150mm to suit your specific milling needs.
3. Hardness: Exceptional resilience with Hardness ranging from HRC 55-65.
4. Breakage Rate: Remarkably low breakage rate of less than 1%, ensuring durability.
5. Impact Value: Strong and resilient with an impressive Impact Value of over 12j/Cm^2.
6. Falling ball times: Endures over 20,000 drops, showcasing durability through rigorous testing.

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: Reliable and efficient maritime transport.
2. Customers designated transportation mode: Flexibility to choose your preferred mode of transit.
3. Packing Details: A. Secure steel drums (850-930kgs/drum) B. Robust flexible container bags (1 ton/bag)
4. Delivery Details: Swift delivery within 15-20 days post-payment or upon receiving LC at sight.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a leading professional factory specializing in the art of producing forged/hot rolled grinding balls and alloy grinding steel rods, boasting over a decade of expertise and an impressive annual output of 100,000 tons. Our facility is equipped with 10 world-class advanced forging and automatic rolling production lines, poised to meet the complex demands of our esteemed customers.

Shandong Jinchi has achieved and surpassed international and industrial certifications, including TUV ISO900, ISO14001, and Iso45001. We proudly bear the dual certification from SGS and BV, attesting to our status as a qualified manufacturing powerhouse. Our state-of-the-art laboratory houses cutting-edge testing equipment such as spectrometers, hardness testers, drop testers, and impact testers. This ensures rigorous quality control and traceability at every stage, from raw materials entering our facility to production processes and eventual shipment.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, encompassing over 40 nations. We have forged strong business alliances with globally renowned Chinese mining companies, as well as cement, thermal power, and chemical plants, earning glowing commendations from them.