Premium Hot-Rolled Grinding Steel Balls for Efficient Grinding

• 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 - Crafted from high-quality steel grades to ensure resilience and optimal performance.
2. Diameter: 20mm-150mm - Available in a versatile range of diameters to suit various grinding needs and applications.
3. Hardness: HRC 55-65 - Engineered for superior hardness, ensuring durability and effective grinding.
4. Breakage Rate:<1% - Exceptionally low breakage rate guarantees longevity and reliability in use.
5. Impact Value: >12j/Cm^2 - High impact value underscores its toughness and capacity to withstand rigorous conditions.
6. Falling ball times: ≥20000s - Demonstrates remarkable resilience and quality with extensive durability testing.

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 - Reliable and efficient shipping solutions for global delivery.
2. Customers designated transportation mode - Tailored transportation options to meet your specific requirements.
3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags (1ton/bag) - Secure and adaptable packaging options for safe transit.
4. Delivery Details: Within 15-20 days after received the payment or LC at sight - Prompt and dependable delivery service ensuring timely project completion.

Shandong Jinchi Heavy Industry Joint-stock Co., Ltd. is a professional factory specializing in the production of forged/hot rolled grinding balls and alloy grinding steel rods for over 10 years. With an impressive annual output of 100,000 tons, we boast 10 state-of-the-art forging and automatic rolling production lines, adept at fulfilling complex customer demands.

Shandong Jinchi has achieved prestigious international and industrial certifications such as TUV ISO900, ISO14001, and Iso45001, along with dual accreditation from SGS and BV. Our cutting-edge laboratory, equipped with the latest testing apparatus such as spectrometers, hardness testers, drop testers, and impact testers, assures unwavering quality control and traceability from raw material entry to final shipment.
Our clientele spans over 40 countries across Southeast Asia, Africa, and Latin America. We maintain strong business ties with prominent global mining corporations, as well as cement plants, thermal power facilities, and chemical plants, consistently earning their commendations for our quality and service.