Durable Casting Iron Balls with High Impact Value and Low Breakage

• 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

Explore the excellence of JINCHI products and suppliers offering unbeatable factory prices on mines equipment cast iron Ball Mill Grinding Media Steel Balls. Discover the superior choice for your grinding needs.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands proudly as a distinguished and professional manufacturer of high-quality grinding products. We are dedicated to delivering an exceptional array of products, including: Forged Grinding MediaHigh-Grade Steel Casting Balls Steel Balls,Precision Grinding Rods, Durable Grinding Cylpebs, Our products are meticulously crafted to meet stringent international standards. Our state-of-the-art facilities boast a remarkable annual production capacity exceeding 100,000 tons.

We sincerely look forward to your new inquiries regarding our grinding balls. Rest assured, we'll provide the best prices promptly. Thank you.

Reasons to Choose Us
Superior We source high-quality raw materials from renowned large steel mills, ensuring unmatched product excellence.
Cutting-Edge Our advanced automatic production lines ensure consistent and reliable manufacturing quality.
Rigorous Our strict quality management processes, paired with exceptional after-sales service, guarantee ultimate customer satisfaction.
With over two decades of industry experience, we possess unparalleled expertise in the field.
State-of-the-art lab equipment ensures meticulous testing and quality assurance at every step.
ISO9001, ISO14001, ISO45001, and SGS certifications validate our unwavering commitment to quality and environmental standards.
Strategically located to offer swift and efficient export logistics, we are within four hours' reach of Qingdao port.

Detailed Chemical Composition for 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

Comprehensive Specification forGood 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

Key Advantages:

1.Material Excellence: We source steel directly from Laigang Group and JIYUAN, the leading steel companies in China, ensuring exceptional material integrity.

2. Diverse Product Range: Our extensive portfolio caters to varied customer requirements, offering both cast and forged types in a comprehensive range.

3. Production Capacity: With a robust production capacity of approximately 100,000 MT, we ensure seamless and uninterrupted delivery of media to our clients.

4. State-of-the-art Production Facility: Our cutting-edge automatic production lines ensure exceptional quality consistency in every product.

5. Efficient Delivery: Our streamlined automated production system ensures swift delivery post-order confirmation, often within just 14 days, depending on specific requirements.

6. Exceptional Quality Control: Our dedicated laboratory, equipped with advanced testing apparatus, ensures each production step adheres strictly to rigorous quality standards.


Innovative Manufacturing Process



JINCHI: Where excellence meets affordability! Explore our line of Factory Price Mines Equipment featuring cast iron Ball Mill Grinding Media Steel Balls, known for their exceptional durability and superior performance.

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: Our commitment to quality and excellence is backed by a range of reputable certifications, assuring you of the highest industry standards in every product we offer.


FAQ: Have questions? Discover the answers to all your queries in our comprehensive FAQ section where clarity meets convenience.

Q1: What is the advantage of your company?

A: At Shandong Jinchi, experience meets expertise. With 28 years devoted to the art of crafting premium steel balls, we stand at the forefront of the industry, delivering unmatched quality and innovation.

Q2. In which countries are your products sold?

A: Our global footprint spans continents! From the Americas to Africa and beyond, our products reach Mexico, Canada, Brazil, and nations across Africa like Tanzania and Ghana, extending to the dynamic markets of Asia and Australia, where we also operate local branch offices.

Q3: Are you trading company or manufacturer?

A: Proudly, we are a factory, where superior craftsmanship meets industrial prowess, giving birth to products that set benchmarks.

Q4: How long is your delivery time?

A: Typically, our efficient processes ensure a delivery window of 10-15 days, though this can vary with order volumes to better suit your needs.

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

A: Absolutely! We are pleased to offer samples at no charge, although we request that you handle the freight cost.

Q6: What is your terms of payment?

We offer convenient T/T payment options: 30% upfront and 70% upon the copy of B/L.
Alternatively, we accept L/C: a 100% Irrevocable letter of credit at sight, combining flexibility with security in transactions.