Cr10-28 Grade Casting Balls with Superior Durability and Low Breakage Rate

• 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

Discover the unmatched value of JINCHI's products and suppliers. We offer factory-priced, top-tier Mines Equipment cast iron Ball Mill Grinding Media Steel Balls, tailored to optimize your operations.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry proudly stands as a leading professional manufacturer of elite grinding solutions. We are dedicated to delivering an unparalleled selection of products, including: Meticulously Forged Grinding MediaPremium Steel Components Durable Steel Casting Balls Robust Steel Balls,High-Efficiency Grinding Rods, Precision-Crafted Grinding Cylpebs, Each product is engineered with precision to exceed international standards, backed by our cutting-edge facilities boasting a remarkable annual production capacity of over 100,000 tons.

We eagerly anticipate your inquiries regarding our exceptional grinding balls, promising timely delivery of competitive pricing. Thank you for considering us.

Why We Stand Out
Unparalleled quality is assured by sourcing premium raw materials directly from prestigious large-scale steel mills.
State-of-the-art automatic production lines ensure consistency and reliability in manufacturing quality.
Meticulous quality management systems, coupled with outstanding after-sales service, ensure our customers' complete satisfaction.
With over two decades of industry expertise, we bring unmatched knowledge to our clients.
Cutting-edge laboratory equipment guarantees thorough testing and quality assurance.
ISO9001, ISO14001, ISO45001, SGS certifications underscore our dedication to quality and environmental excellence.
Proximity to Qingdao port facilitates swift and seamless four-hour export logistics.

Chemical Composition of our high-strength 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

Technical Specifications ofour Superior 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: By sourcing our steel from Laigang Group and JIYUAN, China's foremost steel companies, we ensure superior material quality for our grinding balls.

2. Comprehensive Product Line: We meet diverse client needs with an array of both cast and forged products.

3. Impressive Production Capacity: With an annual capacity of around 100,000 MT, we promise seamless delivery and consistent supply to our clients.

4. State-of-the-Art Production Facilities: Our advanced automated production lines ensure every product meets the highest standards of quality consistency.

5. Efficient Delivery System: Our streamlined automated production ensures prompt delivery within 14 days post-order confirmation, tailored to your needs.

6. Rigorous Quality Assurance: Our dedicated lab, equipped with cutting-edge testing apparatus, guarantees adherence to stringent quality standards.


Precision Manufacturing Process



Introducing JINCHI's Premium Offerings: Factory Price Mines Equipment Cast Iron Ball Mill Grinding Media Steel Ball. Our products are engineered to perfection, ensuring optimal performance and longevity for your mining operations.

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

Prestigious Certificates: Our commitment to quality is reflected in our numerous certifications, which underscore our dedication to excellence and reliability.


Comprehensive FAQ: All Your Queries Answered. Discover everything you need to know about our distinguished offerings and services.

Q1: What distinguishes your company from the rest?

A: As a seasoned manufacturer with 28 years of expertise, we specialize in crafting high-quality steel balls. Our extensive experience translates into superior product reliability and innovation.

Q2. Which global markets do your products reach?

A: Our products have a strong presence in Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and many more. Notably, we have established branch offices in Australia to enhance our service and support.

Q3: Are you a trading company or a manufacturer?

A: We are a dedicated manufacturing entity, not merely a trading company.

Q4: What is the standard timeline for delivery?

A: Typically, delivery takes 10-15 days, with the actual timeframe depending on order quantity. We pride ourselves on our prompt and efficient service.

Q5: Is it possible to receive product samples, and what are the terms?

A: Certainly, we provide samples free of charge; however, the shipping cost is not included. This allows you to experience our product quality firsthand.

Q6: Could you explain your payment terms?

For hassle-free transactions, we accept T/T payments, with 30% upfront and 70% upon presentation of the B/L copy.
Alternatively, we accept L/C, providing a 100% irrevocable letter of credit at sight for your convenience and assurance.