Tough Casting Iron Balls, Cr10-28, Impact Value Over 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

Discover JINCHI's premium offerings at factory prices! Our Mines Equipment cast iron Ball Mill Grinding Media Steel Ball stands as a testament to our dedication to excellence.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAs a leader in the industry, Shandong Jinchi Heavy Industry is revered for its expertise in crafting superior grinding products. Our diverse array of offerings includes an exceptional line-up of: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our products are meticulously crafted to conform to international standards, with our advanced facilities boasting a staggering annual output capacity of over 100,000 tons.

We eagerly anticipate your inquiries regarding our grinding ball collection. Rest assured, you'll receive an unbeatable price offer expeditiously. Thank you for considering us.

Why Choose Us
High quality raw materials are sourced directly from esteemed large steel mills, ensuring our product's premium quality and excellence.
Advanced automatic production lines ensure our manufacturing processes consistently deliver reliability and excellence.
Strict quality management systems and superior after-sales service guarantee immense customer satisfaction.
With more than 20 years of industry expertise, we offer unmatched proficiency and knowledge.
Advanced and precise laboratory equipment allows us to perform meticulous testing, ensuring quality assurance at every step.
ISO9001, ISO14001, ISO45001, and SGS certifications underpin our unwavering commitment to quality and environmental stewardship.
A four -hour reach to Qingdao port facilitates 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 directly from Laigang Group and JIYUAN, two of China's leading steel producers, we ensure impeccable material integrity for grinding balls.

2. Product Range: Our extensive portfolio meets diverse customer needs with both cast and forged options, providing a comprehensive selection.

3. Capacity: With a robust annual production capacity of around 100,000 MT, we promise seamless and uninterrupted delivery of grinding media to our clientele.

4. Production Facility: Our state-of-the-art automatic production lines ensure unparalleled consistency and quality in every product.

5. Delivery: Our efficient automated production system promises rapid delivery after order confirmation, often within 14 days, tailored to specific needs.

6. Quality Control: With cutting-edge laboratory equipment, we ensure each production step aligns with stringent quality standards at every turn.


Manufacturing Process



JINCHI products/suppliers. Factory Price Mines Equipment: Cast Iron Ball Mill Grinding Media Steel Ball - Harness the power of precision engineering with our top-tier grinding media, designed for ultimate durability and 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 - Demonstrating our commitment to excellence, our array of certifications underscores the quality and reliability that define Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd.


FAQ - Your inquiries, expertly addressed. Explore our frequently asked questions to find insightful answers and deepen your understanding of our offerings.

Q1: What is the advantage of your company?

A: We boast over 28 years of expertise as a distinguished manufacturer of steel balls, ensuring you receive products crafted with precision and dedication.

Q2. In which countries are your products sold?

A: Our globally trusted products have reached markets across 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 have established branch offices.

Q3: Are you trading company or manufacturer?

A: As a factory, we pride ourselves on being creators, not just suppliers, ensuring each product meets our high standards of quality.

Q4: How long is your delivery time?

A: Typically, our efficient processes ensure delivery within 10-15 days, though this may vary depending on order quantities.

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

A: Yes, we are pleased to offer samples at no charge, though the cost of freight is not included.

Q6: What are your terms of payment?

T/T (30% in advance and 70% against copy of B/L) - Providing flexible payment solutions to cater to your financial needs.
OR L/C (100% Irrevocable letter of credit at sight) - Ensuring secure transactions with our robust payment options.