Grinding Media Casting Iron Balls with Superior Impact Resistance and Durability

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: DIA: 10mm-130mm
• Material: Iron
• Type: Wear Resistant Casting
• Breakage Rate: <1%
• Impact Value: >4j/Cm^2
• Grade: Cr10--28
• Hardness: 58-65HRC
• Microstructure: M+C
• Falling Ball Times: >10000
• Cast Ball Chrome: Cr1.0-28.0
• Heat Treatment: Quenching +Tempering
• Transport Package: Container Ton Bags or Steel Drums
• Specification: Size: 10mm-150mm
• Trademark: JINCHI
• Origin: China
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

Immerse yourself in the exceptional craftsmanship of JINCHI! With our Factory Price Mines Equipment featuring premium cast iron Ball Mill Grinding Media Steel Balls, you are assured of unmatched durability and performance at every turn.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry sets the standard in premier grinding product manufacturing. Discover our remarkable selection of superior products, which includes: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our state-of-the-art manufacturing facilities adhere to international standards, empowering us with an enviable annual production capacity over 100,000 tons, while delivering supreme quality and impeccable service.

We are excited to receive your next inquiry regarding our grinding balls. Be assured that we will respond with the most competitive pricing swiftly. Thank you for choosing us!

Why Choose Us
High Quality raw materials, sourced directly from the most esteemed large steel mills, form the cornerstone of our promise to deliver nothing but the finest.
Advanced automatic production lines ensure that each product is crafted with a level of consistent, reliable excellence that sets us apart.
Strict quality management systems, together with outstanding after-sales service, assure your complete satisfaction and peace of mind.
More than twenty years of dedicated industry experience grants us unparalleled expertise and insight.
Advanced and precise laboratory equipment allows for comprehensive testing and quality assurance at each stage.
ISO9001, ISO14001, ISO45001, and SGS certifications stand as a testament to our unwavering commitment to quality and environmental excellence.
Four -hour reach to Qingdao port enables swift and seamless export logistics, ensuring that you receive timely and reliable deliveries.

Chemical Composition of forged steel balls

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
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

Specification ofGood Wear Resistance Forged Grinding Media Steel Mill Balls

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

Advantages:

1.Material Quality: We source our steel straight from Laigang Group and JIYUAN, China's leading steel titans, ensuring exceptional material quality for our high-performance grinding balls.

2. Product Range: Our extensive product portfolio is crafted to meet diverse customer requirements, offering both cast and forged options across a wide spectrum.

3. Capacity: With a remarkable production capacity approaching 100,000 MT, we guarantee uninterrupted and dependable delivery of grinding media.

4. Production Facility: Our cutting-edge automatic production lines ensure impeccable quality consistency across our entire product suite.

5. Delivery: Our efficient automated system ensures rapid post-order delivery, frequently within just 14 days, customized to your specific needs.

6. Quality Control: In our pursuit of excellence, our dedicated laboratory, equipped with state-of-the-art and precise testing apparatus, ensures that we uphold the most rigorous quality standards throughout every stage of production. This commitment guarantees that each product from Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd is crafted to perfection.


Manufacturing Process



Dive into the world of excellence with our JINCHI product line! Our Factory Price Mines Equipment, including cast iron Ball Mill Grinding Media Steel Balls, is meticulously crafted to promise superior performance and durability, setting new standards in precision.

Chemical Components
Type	Chemical components
	C	Si	Mn	Cr	Mo	Cu	P	S
Low-Cr	1.8-3.3	≤1.5	0.3-1.5	1-3	≤1.0	≤0.8	≤0.10	≤0.10
Medium-Cr	1.8-3.3	≤1.2	0.3-1.5	4-9	≤1.5	≤0.8	≤0.10	≤0.10
High-Cr	1.8-3.3	≤1.2	0.3-1.5	10-18	≤1.0	≤1.2	≤0.10	≤0.06
Superhigh-Cr	1.8-3.3	≤1.2	0.3-1.5	19-35	≤2.0	≤1.2	≤0.10	≤0.06

Nominal diameter (mm)	Weight of single ball  in average (g)	Quantity/ MT	Surface hardness	Endurance impact test (Times)
Φ15	13.8	72549	>60	>10000
Φ17	20.1	49838		>10000
Φ20	32.7	30607		>10000
Φ25	64	15671		>10000
Φ30	110	9069		>10000
Φ40	261	3826		>10000
Φ50	510	1959		>10000
Φ60	882	1134		>10000
Φ70	1401	714		>10000
Φ80	2091	478	>58	>10000
Φ90	2977	336		>10000
Φ100	4084	245		>8000
Φ120	7057	142		>8000
Φ130	8740	115		>8000

Certificates


FAQ

Q1: What is the advantage of your company?

A: Celebrating a rich legacy of 28 years, we are proud to be recognized as professional steel ball manufacturers. Our extensive experience and unwavering commitment to quality mark us as leaders in the industry.

Q2. In which countries are your products sold?

A: Our high-quality products have conquered global markets, finding homes in countries like Mexico, Canada, Brazil, and many others throughout Africa, South America, and Asia. Furthermore, with strategic branch offices in Australia, we ensure that we are always close to our clients.

Q3: Are you a trading company or manufacturer?

A: We take pride in being a distinguished manufacturing factory, where innovation meets tradition.

Q4: How long is your delivery time?

A: Our efficient processes ensure a typical delivery time ranging from 10 to 15 days, which may vary depending on the order quantity, demonstrating our commitment to timely service.

Q5: Do you provide samples? Is it free or extra?

A: Yes, we gladly provide samples at no cost, though the customer is responsible for freight charges, showcasing our confidence in our product quality.

Q6: What are your terms of payment?

T/T (30% in advance and 70% against copy of B/L);
OR L/C (100% Irrevocable letter of credit at sight)