80mm Forged Grinding Media Ball with High Impact Toughness

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Loader, Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: diameter 20-150mm
• Material: Steel
• Type: Grinding Ball
• Usage: Chemical, Mines, Cement/ Power Plant, Ball Mill
• Breakage Rate: <1%
• Impact Toughness: >12ak.J/Cm2
• Hardness: 55-65HRC
• Heat Treatment: Quenching+Tempering
• Certification: TUV ISO 9001 / ISO14001 / ISO45001 / SGS
• Service: Free Samples
• Microstructure: M+C
• Transport Package: Bags or Steel Drum
• Specification: Diameter 20-150mm
• Trademark: JINCHI
• Origin: Shandong, China
• HS Code: 7326110000
• Production Capacity: 100000tons/Year

Product Description

Premium Forged Grinding Media Ball - Ideal for Mining Applications

PRODUCT DESCRIPTION

1. Grade: Our diverse range includes B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, and BU to ensure a perfect match for your needs.
2. Diameter: Available in a versatile range from 20mm to 150mm to suit various milling requirements.
3. Hardness: Engineered for durability, with superior hardness of 55-65HRC.
4. Breakage Rate: Designed for reliability with a breakage rate of less than 1%.
5. Impact Value: Exceptional strength ensured with an impact value greater than 12j/cm².
6. Endurance impact test times: Guarantees durability with ≥20000 successful impact tests.
7. Features: Uniform hardness, maximum wear resistance, and high impact value ensure longevity and efficiency.

Chemical Composition of Forged Grinding Media Steel Ball:

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 Specifications of Forged Grinding Media Steel Ball:

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12j/cm2
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC

Explore Our Product Innovations:

About Our Cutting-edge Manufacturing Facility:

Shandong Jinchi Heavy Industry Joint-stock Co., LTD stands out as a leader in the manufacturing of forged and hot rolled grinding balls, steel rods, and cylpebs. With 28 years of expertise in China and an impressive annual output exceeding 100,000 tons, our 8 advanced forging and automatic rolling production lines are designed to fulfill complex customer demands on a global scale.
Shandong Jinchi is proud to be recognized with international and industrial certifications including TUV ISO900, ISO14001, and ISO45001, along with double certifications from SGS and BV. Our state-of-the-art laboratory is equipped with cutting-edge testing equipment, including spectrometers, hardness testers, drop testers, and impact testers, ensuring rigorous quality control and traceability from the raw materials stage to final shipment.
Our expansive customer network spans over 40 countries across Southeast Asia, Africa, and Latin America. We have forged strong partnerships with major mining companies, cement plants, thermal power plants, and chemical plants globally, consistently earning positive feedback and trust.



Professional Packaging Solutions:

Advanced Testing Equipment Ensures Quality:
Efficient and Timely Delivery Options:

Frequently Asked Questions

Q1: What makes your company stand out in the industry?

A: With 28 years of experience, we are seasoned professionals in steel ball manufacturing.

Q2. Where across the globe do your products reach?

A: Our products are trusted in countries including Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Côte d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, where we have established branch offices.

Q3: Are you a trading company or a manufacturer?

A: We proudly operate as a manufacturing facility.

Q4: What is the typical delivery timeframe?

A: Typically, delivery is prompt, within 10-15 days, depending on the quantity.

Q5: Are sample products available? Is there a charge?

A: Yes, we offer free samples; however, the cost of freight is not included.

Q6: What are the terms of payment you accept?

Our payment options include T/T (30% advance payment and 70% against a copy of B/L);
ALTERNATIVELY L/C (100% Irrevocable Letter of Credit at sight)