Forged Steel Grinding Media Balls with Exceptional Impact Toughness

• 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: 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG - Expertly crafted and meticulously categorized to cater to diverse industrial needs.
2. Diameter: 20mm-150mm - Precision-engineered to suit a wide range of applications, from lightweight tasks to heavy-duty operations.
3. Hardness: HRC 55-65 - Uncompromising durability and strength to withstand the toughest conditions in any industrial environment.
4. Breakage Rate: <1% - Superior resilience ensuring minimal wear and tear, making it a cost-effective choice for long-term use.
5. Impact Value: >12j/Cm^2 - Remarkable energy absorption and resistance to impact, ideal for high-stress applications.
6. Falling ball times: ≥20000s - Endurance tested for sustained performance, far exceeding industry standards.

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 delivery across the globe, ensuring your products reach you promptly and in perfect condition.
2. Customers designated transportation mode - Flexibility to meet your unique logistical requirements with customizable shipping options.
3. Packing Details: A. Steel drums (850-930kgs/drum), B. Flexible container bags (1 ton/bag) - Secure and versatile packaging solutions tailored to preserve product integrity during transit.
4. Delivery Details: Within 15-20 days after received the payment or LC at sight - Timely delivery you can count on, ensuring your operations continue smoothly without interruption.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. - A name synonymous with excellence in the manufacturing of premium grinding and steel products. is a professional factory specializing in the production of forged and hot-rolled grinding balls, as well as alloy grinding steel rods for over a decade. With an impressive annual output of 100,000 tons, we operate 10 state-of-the-art forging and automatic rolling production lines to satisfy even the most complex customer demands.

Shandong Jinchi has achieved international and industrial recognition through certifications such as TUV ISO900, ISO14001, ISO45001, and also holds double certification from SGS and BV as a qualified factory. Our premier laboratory, equipped with cutting-edge testing equipment like spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability from raw material intake to production and shipment.
Our clientele spans across Southeast Asia, Africa, and Latin America, covering more than 40 countries. Our esteemed partnerships with globally recognized mining companies, cement plants, thermal power plants, and chemical plants have earned us commendations for our exemplary service and product quality.