Casting Balls with Low Breakage Rate and 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: Casting Balls
• 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

Unveil the unparalleled excellence of JINCHI products and suppliers at competitive factory prices! Our top-tier Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously designed for optimum performance, delivering consistent results every time.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry proudly stands as a pioneering leader and esteemed manufacturer in the realm of high-grade grinding products. We are delighted to offer an impressive collection of products, including the following: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Manufactured with precise craftsmanship and adherence to the most stringent international standards, our advanced facilities boast an impressive annual production capacity surpassing 100,000 tons.

We warmly welcome your inquiries about our exceptional grinding balls. Rest assured, we commit to providing the most competitive pricing swiftly. We appreciate your interest and look forward to serving you.

Why Choose Us
High Our commitment to excellence stems from sourcing premium raw materials directly from renowned large steel mills, ensuring our products deliver unmatched quality.
Advanced Our state-of-the-art automatic production lines ensure consistent, reliable manufacturing quality, meeting the highest standards.
Strict Our comprehensive quality management processes, paired with exceptional after-sales service, guarantee complete customer satisfaction and peace of mind.
More With over twenty years of industry experience, our expertise and profound knowledge are truly unrivaled.
Advanced Our sophisticated laboratory equipment is dedicated to thorough testing and rigorous quality assurance, ensuring excellence in every product.
ISO9001, ISO14001, ISO45001, and SGS certifications reflect our steadfast dedication to superior quality and environmental standards.
Our strategically advantageous location provides a swift four-hour access to Qingdao port, facilitating efficient and hassle-free 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 procuring steel directly from Laigang Group and JIYUAN, leading giants in China's steel industry specializing in grinding ball steel, we ensure superior material integrity and quality.

2. Product Range: Our comprehensive portfolio is designed to meet diverse customer requirements, offering both casting and forging options in a wide variety.

3. Capacity: With a robust production capacity of approximately 100,000 MT, we assure seamless and uninterrupted delivery of media to meet client demands.

4. Production Facility: Our cutting-edge automatic production lines guarantee exceptional quality consistency, ensuring every product meets the highest standards.

5. Delivery: Our streamlined automated production system facilitates fast delivery post-order confirmation, often within just 14 days, customized to meet specific client needs.

6. Quality Control: Our dedicated laboratory, meticulously outfitted with state-of-the-art and precise testing equipment, guarantees strict compliance with quality standards at each and every phase of production.


Manufacturing Process



JINCHI proudly delivers superior quality products directly from our renowned suppliers, ensuring unbeatable factory prices for essential mining 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: Benefit from our 28-year legacy of unmatched proficiency as specialized steel ball manufacturers, committed to producing excellence.

Q2. In which countries are your products sold?

A: Our products boast a robust global footprint, spanning from Mexico, Canada, and Brazil to countries across continents like Tanzania, Congo, South Africa, and more, with a significant branch office in Australia.

Q3: Are you trading company or manufacturer?

A: We are an industrious manufacturing entity, proudly functioning as a factory.

Q4: How long is your delivery time?

A: Generally, our delivery period is an efficient 10-15 days, depending on the size of the order.

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

A: Certainly, we are delighted to provide free samples; however, we do politely request that the freight charges be borne by the requester.

Q6: What is your terms of payment?

We offer adaptable payment terms: T/T with 30% in advance and the remaining 70% upon receipt of the Bill of Lading copy.
OR L/C: Enjoy secure transactions with a 100% Irrevocable letter of credit at sight.