Superior Casting Iron Balls, Breakage Rate Below 1%, High Impact Resistance

• 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

JINCHI products/suppliers. Discover unbeatable factory prices for Mines Equipment cast iron Ball Mill Grinding Media Steel Ball, crafted to meet your exact needs.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence in professional manufacturing, specializing in top-tier grinding products. Our expansive portfolio showcases: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, These meticulously crafted products adhere to rigorous international standards, manufactured in our cutting-edge facilities with a robust annual capacity exceeding 100,000 tons.

We eagerly anticipate your inquiries regarding our superior grinding balls. Rest assured, you will receive the most competitive pricing promptly.

Why Choose Us
High Quality: Sourced from prestigious large steel mills, our raw materials are the foundation of our unparalleled product excellence.
Advanced Automation: Our state-of-the-art production lines ensure consistent, reliable manufacturing standards.
Strict Quality Assurance: Our rigorous management processes, paired with exceptional after-sales service, assure your satisfaction.
More than two decades of industry mastery endow us with unmatched expertise and innovation.
Advanced Testing: Our precise laboratory equipment guarantees meticulous quality testing and assurance.
ISO9001, ISO14001, ISO45001, SGS certifications underscore our unwavering commitment to quality and environmental integrity.
Four -hour connectivity to Qingdao port facilitates brisk 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: Direct procurement from Laigang Group and JIYUAN, China's steel maestros for grinding balls, guarantees unrivaled material quality.

2. Product Range: Our extensive portfolio addresses diverse customer needs, offering both cast and forged varieties in a wide array of specifications.

3. Capacity: Backed by a formidable production capacity of around 100,000 MT, we assure seamless and uninterrupted media delivery.

4. Production Facility: Our innovative automatic production lines guarantee unmatched quality consistency in every unit produced.

5. Delivery: Our streamlined processes assure rapid fulfillment post-order, often within 14 days, tailored to your specific needs.

6. Quality Control: Our sophisticated lab, featuring advanced testing equipment, ensures each manufacturing stage adheres to stringent quality protocols.


Manufacturing Process



JINCHI Products/Suppliers: Discover Factory Direct Pricing on Mines Equipment - Cast Iron Ball Mill Grinding Media Steel Balls

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 sets your company apart in the industry?

A: With 28 years of dedicated expertise as professional steel ball manufacturers, we offer unparalleled experience in production.

Q2. In which countries do your products make their mark?

A: Our global reach extends to 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.

Q3: Is your business a trading company or a manufacturer?

A: We operate as a factory, delivering superior quality directly from the source.

Q4: What is the timeframe for your delivery?

A: Typically, our delivery spans 10-15 days, contingent on the order quantity.

Q5: Are samples available, and what are the costs associated?

A: Certainly, we provide samples at no charge; however, the freight cost is not included.

Q6: What are your payment terms?

We accept T/T with 30% in advance and the remaining 70% upon copy of B/L;
Additionally, we offer L/C options with a 100% Irrevocable Letter of Credit at sight.