Advanced Forged Steel Grinding Media Balls for Heavy 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: Exceptional quality with 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG
2. Diameter: Precisely engineered from 20mm to 150mm
3. Hardness: Rigorously tested for a range of HRC 55-65
4. Breakage Rate: Exceptionally low, less than 1%
5. Impact Value: Impressively high, exceeding 12j/Cm^2
6. Falling ball times: Remarkably durable, with ≥20000s drops

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: Safe and reliable delivery across the seas
2. Customers designated transportation mode: Tailored to your needs
3. Packing Details: A. Secure steel drums (850-930kgs/drum) b. Robust flexible container bags (1 ton/bag)
4. Delivery Details: Swift and efficient, within 15-20 days after payment or LC at sight.

Shandong Jinchi Heavy Industy Joint-stock Co., Ltd. is a premier factory specializing in the production of high-quality forged and hot-rolled grinding balls, along with alloy grinding steel rods. With over a decade of expertise, our annual production reaches an impressive 100,000 tons. We boast 10 state-of-the-art forging and automatic rolling production lines, adept at fulfilling the diverse and complex requirements of our esteemed clientele.

Shandong Jinchi has achieved distinguished international and industrial certifications including TUV ISO900, ISO14001, and Iso45001, along with dual certifications from SGS and BV, affirming our status as a certified factory. Our cutting-edge laboratory is equipped with advanced testing apparatuses like spectrometers, hardness testers, drop testers, and impact testers. This enables meticulous quality control and traceability from raw material intake through every stage of production to final shipment, guaranteeing superior product quality.
Our esteemed customers span across Southeast Asia, Africa, and Latin America, embracing over 40 countries. We proudly maintain robust business partnerships with China and globally acclaimed large-scale mining companies, cement plants, thermal power plants, and chemical plants. Our commitment to excellence has consistently earned us favorable reviews and commendations from our valued partners.