Industrial-Grade Casting Iron Balls, Cr10-28, Less Than 1% 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

Discover the unparalleled excellence of JINCHI products and suppliers. We offer factory-priced, top-quality Mines Equipment cast iron ball mill grinding media steel balls.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a leader in the manufacture of high-quality grinding products. We take immense pride in presenting a versatile selection of products, which includes: Expertly Forged Grinding MediaPremium Steel Precision-Cast Balls Durable Steel Balls,Superior Grinding Rods, Efficient Grinding Cylpebs, Each product is meticulously crafted to adhere to global standards, with our cutting-edge facilities boasting an outstanding annual production capability exceeding over 100,000 tons.

We eagerly anticipate your inquiries regarding our premium grinding balls. Rest assured, the most competitive prices will be promptly provided. Thank you for choosing us.

Why Choose Us
Uncompromising High Our superior quality raw materials are sourced directly from the most reputable large steel mills, guaranteeing unmatched product excellence.
Our state-of-the-art, Advanced automatic production lines ensure reliable and consistent manufacturing quality, meeting the highest industry standards.
With our Strict quality management processes, coupled with outstanding after-sales service, we strive for complete customer satisfaction at every stage.
Leveraging More than two decades of profound industry experience, we bring unparalleled expertise to every project.
Highly Advanced and precise laboratory equipment guarantees meticulous testing and quality assurance for each product.
Our ISO9001, ISO14001, ISO45001, and SGS certifications underscore our unwavering commitment to quality and environmental standards.
Our strategic location ensures a swift Four -hour reach to Qingdao port, enabling efficient and rapid export logistics.

Chemical Composition of Highly durable 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 ofSuperior wear-resistance in our 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 Quality: By sourcing steel directly from Laigang Group and JIYUAN, the eminent steel companies in China, known for steel for grinding balls, we ensure material integrity that is second to none.

2. Product Range: Our extensive portfolio meets varied customer needs, offering both cast and forged types with a comprehensive selection.

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

4. Production Facility: Our state-of-the-art automatic production lines guarantee exceptional consistency and quality across all products.

5. Delivery: Our streamlined automated production system allows us to deliver swiftly post-order confirmation, often within just 14 days, catering to specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with cutting-edge testing apparatus, ensures every production step adheres to rigorous quality standards.


Manufacturing Process



Introducing JINCHI's high-quality products and suppliers: Our Factory Price Mines Equipment offers unbeatable cast iron Ball Mill Grinding Media Steel Balls, making us the go-to choice for industrial-grade solutions.

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: With an impressive 28-year legacy in steel ball manufacturing, our expertise and commitment to quality set us apart as industry leaders.

Q2. In which countries are your products sold?

A: Our global footprint spans across the Americas, Africa, Asia, and Oceania, including Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, where we also maintain branch offices for enhanced customer support.

Q3: Are you trading company or manufacturer?

A: We proudly operate as a factory, providing top-tier products directly to you.

Q4: How long is your delivery time?

A: Our efficient processes ensure delivery within 10-15 days, contingent on order quantity, to keep your operations running smoothly and on time.

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

A: Absolutely, we provide samples at no cost, although the freight charges are not included.

Q6: What is 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 )