Forged Grinding Balls with High Hardness for Mining Applications

• 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 range of premium quality grades includes 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, tailored for diverse mining needs.
2. Diameter: Available in a versatile range of diameters from 20mm to 150mm, ensuring perfect fit and compatibility for mining operations.
3. Hardness: Achieving an impressive hardness level between HRC 55-65, our grinding balls are engineered for durability and performance.
4. Breakage Rate: Featuring an outstandingly low breakage rate of less than 1%, guaranteeing reliability and longevity in demanding environments.
5. Impact Value: With a robust impact value exceeding 12j/Cm^2, our balls offer remarkable resistance to wear and tear.
6. Falling Ball Times: Designed to withstand rigorous use, our products boast a minimum falling ball test count of 20,000 times, ensuring exceptional endurance.

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: Effortless and efficient, our ocean shipping ensures timely delivery to your desired location.
2. Customers designated transportation mode: Tailored transportation solutions that seamlessly fit your logistical preferences.
3. Packing Details: A. Securely packaged in steel drums with capacities ranging from 850-930kgs per drum. B. Alternatively, flexible container bags that hold up to 1 ton per bag.
4. Delivery Details: Prompt delivery assured within 15-20 days post-payment or LC at sight, ensuring your operations continue smoothly.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a distinguished manufacturing powerhouse, 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 house 10 state-of-the-art forging and automatic rolling production lines, adept at meeting the intricate demands of our global clientele.

Shandong Jinchi has achieved prestigious international and industrial certifications, including TUV ISO900, ISO14001, and ISO45001, along with dual certifications from SGS and BV, affirming our status as a qualified factory. Our cutting-edge laboratory, equipped with advanced testing tools such as spectrometers, hardness testers, drop testers, and impact testers, ensures rigorous quality control and traceability from raw material intake through to final shipment.
Our esteemed clientele spans Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We maintain robust partnerships with renowned mining companies, as well as cement, thermal power, and chemical plants worldwide, consistently receiving positive accolades for our superior service and products.