Reliable Grinding Balls with Hardness and Impact Toughness Above 12ak. J/Cm2

• 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: Discover excellence in material selection with grades 45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, and BG, each meticulously chosen for optimal performance.
2. Diameter: Our grinding balls range from 20mm to 150mm in diameter, crafted to meet diverse industrial needs with precision.
3. Hardness: Experience exceptional durability with hardness levels between HRC 55-65, ensuring a robust performance in demanding applications.
4. Breakage Rate: Enjoy peace of mind with an impressively low breakage rate of less than 1%, reflecting our commitment to quality and reliability.
5. Impact Value: >12j/Cm^2. Our products boast an outstanding impact value above 12j/Cm^2, providing resilience in the most challenging environments.
6. Falling ball times: Achieve remarkable longevity with a minimum of 20,000 falling ball times, guaranteeing extended service life and performance.

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

Product Parameters

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 ensure the safe and timely delivery of our products through reliable ocean shipping methods.
2. Customers designated transportation mode: Tailor your logistics with transportation modes specified by our valued customers for utmost convenience.
3. Packing Details: A. Steel drums (850-930kgs/drum) B. Flexible container bags (1 ton/bag). Our packing solutions are designed to protect and streamline your operations.
4. Delivery Details: Expect prompt delivery within 15-20 days after payment receipt or LC at sight, ensuring your project timeline remains on track.

Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. is a professional factory specializing 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 reaching 100,000 tons, we proudly operate 10 state-of-the-art forging and automatic rolling production lines, meeting the multifaceted demands of our diverse clientele.

Shandong Jinchi has achieved prestigious international and industrial certifications including TUV ISO900, ISO14001, ISO45001, alongside dual accreditation from SGS and BV, cementing our status as a qualified factory. Our cutting-edge laboratory, equipped with advanced testing tools such as spectrometers, hardness testers, drop testers, and impact testers, ensures meticulous quality control and traceability from raw material to final shipment, maintaining the highest standards throughout the production process.
Our esteemed clientele spans across Southeast Asia, Africa, and Latin America, with a presence in over 40 countries. We maintain strong business collaborations with globally recognized mining enterprises, cement plants, thermal power facilities, and chemical plants, consistently earning positive feedback for our exemplary service and product excellence.