Efficient Forged Steel Grinding Media Steel Ball for Optimal Grinding Performance

• 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: 20mm-150mm
3. Hardness: HRC 55-65
4. Breakage Rate:<1%
5. Impact Value: >12j/Cm^2
6. Falling ball times: ≥20000s

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
2. Customers designated transportation mode.
3. Packing Details: A. Steel drums (850-930kgs/drum) B. Flexible container bags (1 ton/bag)
4. Delivery Details: Within 15-20 days after receiving the payment or LC at sight.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a renowned factory specializing in producing forged and hot-rolled grinding balls, as well as alloy grinding steel rods for over a decade. With an annual output reaching 100,000 tons, we operate 10 globally advanced forging and automatic rolling production lines, expertly catering to complex customer demands.

Shandong Jinchi has achieved prestigious international and industrial certifications including TUV ISO900, ISO14001, Iso45001, along with dual SGS and BV certifications as a qualified manufacturing facility. Our state-of-the-art laboratory, equipped with cutting-edge testing tools like spectrometers, hardness testers, drop testers, and impact testers, ensures meticulous quality control and traceability at every stage from raw material acquisition to final product shipping.
Our esteemed clientele spans over 40 countries across Southeast Asia, Africa, and Latin America. We enjoy robust business collaborations with prominent mining corporations, cement factories, thermal power plants, and chemical processing facilities globally, consistently earning their commendations.