Quality Forged Steel Grinding Media Balls for Heavy-Duty Use

• 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
2. Diameter: A versatile range of 20mm to 150mm
3. Hardness: An impressive HRC 55-65, ensuring resilience and superior performance
4. Breakage Rate: Remarkably low at less than 1%, guaranteeing durability
5. Impact Value: Exceeding expectations with >12j/Cm^2 for robust endurance
6. Falling ball times: Resilient with ≥20000s, showcasing extended longevity

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 for global reach
2. Flexible transportation modes as per customer preferences
3. Packing Details: A. Secure steel drums (850-930kgs/drum) B. Robust flexible container bags (1 ton/bag)
4. Delivery Details: Prompt delivery within 15-20 days after payment or LC at sight

Shandong Jinchi Heavy Industry Joint-Stock Co.,Ltd. As a distinguished professional factory, Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. has specialized 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 boast 10 state-of-the-art forging and automatic rolling production lines, specifically designed to cater to our customers' diverse and complex demands.

Shandong Jinchi Our company stands proudly having achieved eminent international and industrial certifications, including TUV ISO900, ISO14001, and Iso45001. Additionally, we have earned dual certifications from SGS and BV, further affirming our status as a qualified factory. Our cutting-edge laboratory is equipped with advanced testing apparatus, such as spectrometers, hardness testers, drop testers, and impact testers, ensuring comprehensive quality control and traceability from the raw material stage through production, right up to shipment.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, covering more than 40 countries. We have established robust business relationships with prestigious Chinese and globally renowned large mining companies, as well as cement plants, thermal power plants, and chemical plants. Our excellence has consistently garnered favorable commendations from them.