20mm 30mm 40mm 50mm Forged Steel Grinding Media Balls with Breakage Rate Below 1% for Reliability

• 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: Explore the robust lineup of our forged steel grinding media balls, available in various grades including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG; each meticulously designed to cater to diverse industry needs.
2. Diameter: Offered in a versatile range of diameters from 20mm to 150mm, ensuring a perfect fit for every grinding requirement.
3. Hardness: Engineered for excellence with an impressive hardness rating of HRC 55-65, guaranteeing enhanced wear resistance and longevity.
4. Breakage Rate: <1% - Unprecedented reliability crafted into every ball, reflecting our promise of superior durability and performance.
5. Impact Value: Delivering an exceptional impact value of >12j/Cm^2, our grinding media balls are built to withstand the toughest conditions.
6. Falling ball times: Demonstrating outstanding durability with the capability to endure ≥20000s of falling ball tests, a testament to our commitment to quality.

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 shipped across the globe via trusted ocean freight services.
2. Customers designated transportation mode: We offer flexible shipping solutions tailored to meet the specific needs of our customers.
3. Packing Details: Choose from sturdy steel drums (850-930kgs/drum) or reliable flexible container bags (1 ton/bag) for secure transport.
4. Delivery Details: Experience swift delivery within 15-20 days post payment or upon LC at sight, ensuring minimal downtime in your operations.

Shandong Jinchi Heavy Industry Joint-stock Co.,Ltd. is a renowned factory with over a decade of expertise in manufacturing forged and hot rolled grinding balls, as well as alloy grinding steel rods. With an annual output of 100,000 tons and equipped with 10 state-of-the-art forging and automatic rolling production lines, we are dedicated to meeting the diverse demands of our esteemed clientele.

Shandong Jinchi has achieved esteemed international and industry certifications including TUV ISO900, ISO14001, and ISO45001. In addition, our double certification by SGS and BV stands as a testament to our factory's unrivaled quality. Our cutting-edge laboratory houses advanced testing equipment like spectrometers, hardness testers, drop testers, and impact testers, ensuring meticulous quality control and traceability throughout every stage of production, from raw material procurement to product shipment.
Our extensive customer base spans over 40 countries across Southeast Asia, Africa, and Latin America. We have established strong business partnerships with large, world-renowned mining companies, as well as prominent cement, thermal power, and chemical plants. Our commitment to excellence has garnered us favorable reviews and solidified our reputation as a trusted supplier.