Durable Casting Balls with Impact Value Over 4j/Cm^2 for Heavy Use

• 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 exceptional JINCHI products directly from the source! Our factory offers competitive prices on high-quality Mines Equipment cast iron Ball Mill Grinding Media Steel Balls.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAs a renowned leader in the industry, Shandong Jinchi Heavy Industry stands out as a professional manufacturer of superior grinding products. We proudly offer an extraordinary selection, including: Forged Grinding MediaSteel Casting Balls Steel Balls,Grinding Rods, Grinding Cylpebs, Our meticulously crafted products meet global excellence standards, with state-of-the-art facilities supporting an impressive annual output capacity of over 100,000 tons.

We eagerly anticipate your inquiries on our superior grinding balls. Rest assured, we will provide you with the most competitive prices promptly. Thank you for considering us.

Why Choose Us
Premium Our commitment to excellence begins with high-quality raw materials, sourced directly from large, reputable steel mills.
Innovative Our advanced automatic production lines assure you of consistent quality and reliability.
Rigorous Our comprehensive quality management ensures unparalleled customer satisfaction, backed by outstanding after-sales support.
With over two decades of expertise, we bring you unmatched industry leadership and proficiency.
Sophisticated Our precise laboratory equipment guarantees thorough testing and quality assurance.
Certified byISO9001, ISO14001, ISO45001, and SGS, affirming our dedication to quality and environmental stewardship.
Strategically located for a quick four-hour access to Qingdao port, ensuring efficient and rapid 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 ofWear-Resistant 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 Excellence: By securing materials from Laigang Group and JIYUAN, China's stalwarts in steel for grinding balls, we uphold superior material quality.

2. Extensive Product Range: Our comprehensive portfolio meets varied customer needs, encompassing both cast and forged types.

3. Massive Production Capacity: Our robust manufacturing capabilities, with a capacity of about 100,000 MT, ensure a steady and reliable supply of media.

4. Cutting-Edge Production Facility: With cutting-edge automatic production lines, we maintain exceptional quality and consistency in all our products.

5. Swift Delivery: Our streamlined production system allows us to deliver quickly post-order confirmation, often within 14 days, subject to specific requirements.

6. Stringent Quality Control: Our state-of-the-art laboratory, equipped with precise testing apparatus, ensures adherence to strict quality standards at every production stage.


Manufacturing Process



JINCHI proudly presents top-tier products with unbeatable factory prices! Our Mines Equipment Cast Iron Ball Mill Grinding Media Steel Balls are crafted with precision and excellence to meet your heavy-duty grinding needs.

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 legacy of 28 years in steel ball manufacturing, we are the epitome of expertise and innovation, ensuring unparalleled quality and reliability in every product.

Q2. In which countries are your products sold?

A: Our global footprint 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 have established branch offices to better serve our clients.

Q3: Are you trading company or manufacturer?

A: We are a dedicated manufacturing powerhouse, ensuring direct-from-factory quality and service.

Q4: How long is your delivery time?

A: Our efficient operations guarantee a swift delivery time of 10-15 days, tailored to the quantity ordered, ensuring timely service every time.

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

A: Yes, experience our quality firsthand with complimentary samples; however, the cost of freight is not included.

Q6: What is your terms of payment?

Our flexible payment options include T/T with 30% in advance and 70% upon presentation of the copy of B/L.
Alternatively, we accept L/C with a 100% irrevocable letter of credit at sight, ensuring secure and convenient transactions.