High-Performance Casting Iron Balls with Breakage Rate Under 1%

• 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 excellence of JINCHI products and suppliers at factory prices! Our premium Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is engineered for peak performance.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a distinguished leader and professional manufacturer in the realm of premium grinding products. We are immensely proud to present an extraordinary array of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Crafted with precision and adherence to international standards, our state-of-the-art facilities boast a monumental annual production capacity that exceeds 100,000 tons.

We sincerely look forward to your inquiries regarding our outstanding grinding balls. Rest assured, you'll receive the best price promptly. Thank you for your interest.

Why Choose Us
High Quality raw materials, sourced directly from renowned large steel mills, ensure our products exhibit exceptional excellence.
Advanced Our cutting-edge automatic production lines guarantee consistent and reliable manufacturing quality.
Strict Our rigorous quality management processes, combined with outstanding after-sales service, ensure complete customer satisfaction.
More With over two decades of industry experience, we possess unparalleled expertise and knowledge.
Advanced Our precise lab equipment is dedicated to meticulous testing and quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications underscore our unwavering commitment to quality and environmental standards.
Our strategic location offers a swift four-hour reach to Qingdao port, enabling efficient and smooth 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, China's leading steel companies specializing in grinding ball steel, we ensure top-notch material integrity.

2. Product Range: Our extensive portfolio caters to diverse customer requirements, offering both cast and forged types in a comprehensive range.

3. Capacity: With a substantial production capacity of approximately 100,000 MT, we guarantee seamless and uninterrupted delivery of media to our clients.

4. Production Facility: Our cutting-edge automatic production lines assure exceptional quality consistency in every product.

5. Delivery: Our streamlined automated production system ensures swift delivery post-order confirmation, often within just 14 days, tailored to specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with advanced and precise testing apparatus, ensures rigorous adherence to quality standards at every production step.


Manufacturing Process



JINCHI delivers premium products directly from our esteemed suppliers, offering unbeatable factory prices on essential mines equipment such as our cast iron Ball Mill Grinding Media Steel Ball.

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: Leverage our 28 years of unparalleled expertise as professional steel ball manufacturers, dedicated to excellence in production.

Q2. In which countries are your products sold?

A: Our products have a strong global presence, reaching Mexico, Canada, Brazil, and extending across continents to countries like Tanzania, Congo, South Africa, and many more, including a prominent branch office in Australia.

Q3: Are you trading company or manufacturer?

A: We are a manufacturing powerhouse, proudly operating as a factory.

Q4: How long is your delivery time?

A: Typically, our delivery timeframe is a swift 10-15 days, contingent upon order volume.

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

A: Absolutely, we are pleased to offer complimentary samples; however, we kindly request that the freight costs be covered.

Q6: What is your terms of payment?

We offer flexible payment terms: T/T with 30% upfront and the balance 70% upon receipt of the B/L copy.
OR L/C: Secure transactions with a 100% Irrevocable letter of credit at sight.