Premium Forged Steel Grinding Media Steel Ball with Low Breakage Rate

• 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: Available in a variety of robust grades including 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, our steel balls are designed to meet diverse performance requirements.
2. Diameter: Ranging from 20mm to 150mm, these steel balls cater to various industrial needs with precision sizing.
3. Hardness: With an impressive hardness level of HRC 55-65, our steel balls promise durability and resistance to wear.
4. Breakage Rate:<1%: Engineered for reliability, these steel balls boast a remarkably low breakage rate of less than 1%.
5. Impact Value: >12j/Cm^2: Demonstrating superior impact resistance, our balls deliver an impact value exceeding 12j/Cm^2.
6. Falling ball times: ≥20000s: Designed for longevity, they withstand over 20,000 falling ball tests, 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: We offer secure and efficient ocean shipping to ensure timely delivery of your orders.
2. Customers designated transportation mode: Flexibility to choose your preferred transportation mode for customized logistical solutions.
3. Packing Details: A. Steel drums (850-930kgs/drum) ensure heavy-duty protection. b. Flexible container bags (1 ton/bag) provide convenient handling and storage.
4. Delivery Details: Expect your order to arrive within 15-20 days after payment or LC at sight, ensuring prompt service.

Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. is a professional factory specializing in the production of high-quality forged and hot rolled grinding balls, as well as alloy grinding steel rods. With over a decade of expertise and an impressive annual output of 100,000 tons, we operate 10 state-of-the-art forging and automated rolling production lines to address even the most demanding customer requirements.

Shandong Jinchi has achieved prestigious certifications such as TUV ISO900, ISO14001, and ISO45001. Additionally, we have been recognized with dual certifications from SGS and BV as a qualified factory. Our cutting-edge laboratory is fully equipped with advanced testing instruments like spectrometers, hardness testers, and impact testers, ensuring that every product meets stringent quality control standards from raw material intake through to shipment, guaranteeing traceability and excellence.
Our esteemed customer base spans Southeast Asia, Africa, and Latin America, encompassing over 40 countries. We maintain strong business relationships with leading global mining companies, cement plants, thermal power plants, and chemical plants, consistently receiving positive feedback and fostering successful collaborations worldwide.