Forged Steel Grinding Media Balls for Efficient and Reliable Grinding

• 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: Our Forged Steel Grinding Media Balls are crafted from premium grades including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, ensuring exceptional performance in diverse grinding applications.
2. Diameter: Available in an extensive range from 20mm to 150mm, our grinding media balls cater to a wide array of operational needs, providing versatility and efficiency in your grinding processes.
3. Hardness: With a remarkable hardness level of HRC 55-65, these media balls deliver outstanding durability, ensuring prolonged use and minimal wear in demanding conditions.
4. Breakage Rate:<1%: Impressively engineered to ensure a breakage rate of less than 1%, offering consistent reliability and superior performance in intense grinding scenarios.
5. Impact Value: >12j/Cm^2: Engineered to withstand significant impact with an impact value exceeding 12j/Cm^2, our balls promise exceptional toughness in the most rigorous environments.
6. Falling ball times: ≥20000s: These media balls exhibit impressive resilience with a longevity of over 20,000 drop cycles, guaranteeing reliability and enduring efficiency.

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: Secure and timely ocean shipping options to ensure your order arrives safely and on schedule.
2. Customers designated transportation mode: We accommodate customer-specific transportation needs to provide the most convenient delivery solutions.
3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags (1 ton/bag): Our products are meticulously packed in robust steel drums or flexible container bags for maximum protection and ease of handling.
4. Delivery Details: Within 15-20 days after received the payment or LC at sight: Swift delivery is a priority, with a turnaround time of just 15-20 days post-payment or LC at sight, ensuring you receive our superior products promptly.

Shandong Jinchi Heavy Industy Joint-stock Co.,Ltd. is a professional factory specializing in the production of forged and hot-rolled grinding balls, as well as alloy grinding steel rods, boasting over a decade of experience. With an impressive annual output of 100,000 tons, and equipped with 10 state-of-the-art forging and automatic rolling production lines, we are fully prepared to meet the diverse and complex demands of our customers.

Shandong Jinchi has successfully passed prestigious international and industrial certifications including TUV ISO900, ISO14001, and Iso45001, along with dual certifications from SGS and BV, ensuring our status as a qualified and reliable factory. Our first-class laboratory is equipped with cutting-edge testing devices such as spectrometers, hardness testers, drop testers, and impact testers. This allows us to maintain rigorous quality control and traceability from raw material intake to final product shipment, assuring excellence at every production stage.
Our customers span across Southeast Asia, Africa, and Latin America, covering more than 40 countries. We are proud to partner with both domestic and globally renowned large-scale mining companies, cement plants, thermal power facilities, and chemical plants, consistently earning favorable reviews and maintaining strong, mutually beneficial business relationships.