Versatile Casting Grinding Media Iron Balls with High Impact Value

• 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: 73259100
• Production Capacity: 100000tons/Year

Product Description

Elevate your operations with JINCHI's outstanding products and suppliers. Experience factory-direct savings on Mines Equipment cast iron Ball Mill Grinding Media Steel Balls, crafted for excellence.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAt Shandong Jinchi Heavy Industry, we proudly stand as a distinguished leader in the manufacture of superior grinding products. Our impressive product lineup includes: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Each product is meticulously engineered to meet rigorous international standards, with our cutting-edge facilities flaunting an extraordinary annual production capacity that surpasses 100,000 tons.

We eagerly anticipate your inquiries about our grinding balls. Rest assured, you'll receive our most competitive pricing promptly. Thank you for your interest.

Why Choose Us
High Our dedication to quality is evident in our use of superior raw materials, directly sourced from renowned large steel mills, guaranteeing unmatched product excellence.
Advanced Our state-of-the-art automatic production lines ensure the delivery of consistent and reliable manufacturing quality.
Strict Our unwavering commitment to strict quality management processes, paired with outstanding after-sales service, guarantees customer satisfaction.
More Our extensive industry experience, spanning over two decades, endows us with unparalleled expertise and insight.
Advanced Our sophisticated and precise laboratory equipment ensures meticulous testing and rigorous quality assurance.
ISO9001, ISO14001, ISO45001, SGS certifications stand as a testament to our enduring commitment to quality and environmental standards.
Four -hour proximity to Qingdao port ensures swift and efficient export logistics, enhancing our delivery capabilities.

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 ofOur Good Wear Resistance Forged Grinding Media Steel Mill Balls offer exceptional durability and performance.

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: Our commitment to excellence begins with sourcing steel from Laigang Group and JIYUAN-China's premier steel companies for grinding balls-ensuring superior material integrity.

2. Product Range: Our expansive portfolio meets diverse client needs, offering both cast and forged types in an extensive range.

3. Capacity: With an impressive production capacity of approximately 100,000 MT, we pledge seamless and uninterrupted delivery to our clients.

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

5. Delivery: Thanks to our efficient automated production system, we ensure rapid delivery post-order confirmation, often within just 14 days, tailored to specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with cutting-edge precise testing apparatus, ensures that each production step adheres to the most rigorous quality standards.


Manufacturing Process



JINCHI products/suppliers. Unlock factory prices for exceptional Mines Equipment - Cast Iron Ball Mill Grinding Media Steel Balls, where excellence meets efficiency!

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: Backed by a legacy of 28 years, we stand as seasoned experts in steel ball manufacturing, delivering unparalleled production experience and superior craftsmanship.

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, Australia, and beyond. We proudly operate branch offices in Australia.

Q3: Are you trading company or manufacturer?

A: We are a factory, dedicated to manufacturing excellence.

Q4: How long is your delivery time?

A: Delivery is swift and efficient, typically taking 10-15 days, depending on the order quantity.

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

A: Absolutely! We provide complimentary samples, although freight costs are borne by the customer.

Q6: What is your terms of payment?

A: T/T (30% in advance and 70% against the copy of B/L);
OR L/C (100% Irrevocable letter of credit at sight)