Tough Casting Iron Balls, Cr10-28 Grade, Impact Value Exceeds 4j/Cm²

• 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 Exceptional Range of JINCHI Products: From Factory Price Mines Equipment to Cast Iron Ball Mill Grinding Media Steel Balls, All at Your Fingertips.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence in the manufacturing sector, providing top-tier grinding solutions. We proudly present a stellar assortment of products designed to meet diverse needs: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our precision-crafted products adhere to the highest international standards, and our advanced production facilities boast a remarkable annual capacity exceeding 100,000 tons.

We eagerly anticipate your inquiries regarding our premier grinding ball solutions. Rest assured, you will receive our best pricing promptly.

Why Choose Us
High By sourcing high-quality raw materials directly from esteemed large steel mills, we ensure our products exhibit unmatched excellence.
Advanced Our cutting-edge automatic production lines ensure consistent and superior manufacturing quality at all times.
Strict Our rigorous quality management processes, combined with outstanding after-sales support, guarantee total customer satisfaction.
More With over two decades of industry experience, we possess unparalleled expertise and insight.
Advanced Our precise laboratory equipment ensures meticulous testing and unwavering quality assurance for every product.
ISO9001, ISO14001, ISO45001, and SGS certifications affirm our unwavering commitment to quality and environmental stewardship.
Four -hour proximity to Qingdao port enables rapid and efficient export logistics.

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: By sourcing steel straight from Laigang Group and JIYUAN, China's leading steel companies specializing in grinding ball steel, we ensure unparalleled material integrity.

2. Product Range: We offer a versatile portfolio that meets diverse customer needs, providing both cast and forged types in a comprehensive range.

3. Capacity: With an impressive production capacity of approximately 100,000 MT, we assure continuous and uninterrupted media delivery to our clients.

4. Production Facility: Our state-of-the-art automatic production lines ensure that each product maintains exceptional quality consistency.

5. Delivery: Our efficient automated production system enables swift delivery post-order confirmation, typically within just 14 days, tailored to specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with cutting-edge testing apparatus, ensures that each production step steadfastly adheres to stringent quality standards.


Manufacturing Process



Discover the JINCHI Difference: Factory Price Mines Equipment, Cast Iron Ball Mill Grinding Media Steel Balls, Crafted to Perfection for Your Needs.

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: Discover unparalleled excellence with our 28 years of expertise in producing premium steel balls. As seasoned professionals in the industry, we pride ourselves on our rich heritage and commitment to innovation.

Q2. In which countries are your products sold?

A: Our high-quality products have traversed the globe, reaching markets in Mexico, Canada, Brazil, and beyond. With a strong presence in Africa, South America, Asia, and Oceania, our extensive network even includes branch offices in Australia, ensuring global access.

Q3: Are you trading company or manufacturer?

A: We are proud to be a factory, offering direct manufacturing prowess that guarantees quality and authenticity.

Q4: How long is your delivery time?

A: Our efficient production process ensures a swift delivery time of 10-15 days, adaptable to the order quantity, ensuring prompt service.

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

A: Absolutely! We provide free samples to demonstrate our product excellence, asking only that you cover the shipping costs.

Q6: What is your terms of payment?

We offer flexible and secure payment terms including T/T, with 30% due in advance and the remainder upon presentation of the B/L copy.
Alternatively, we accept L/C, with a 100% irrevocable letter of credit at sight, ensuring peace of mind and stability in transactions.