Casting Balls with Superior Impact Value and Low Breakage Rate

• 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

Experience the unmatched quality of JINCHI products and suppliers with factory-direct pricing! Our elite Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously engineered to deliver exceptional performance and reliability.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a distinguished leader and professional manufacturer in the realm of premier grinding solutions. Our pride lies in presenting an extraordinary range of unparalleled products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our state-of-the-art facilities, crafted with precision and commitment to international standards, boast an impressive annual production capacity exceeding 100,000 tons.

We warmly invite your inquiries about our exceptional grinding balls, promising you the most competitive price without delay. We truly value your interest.

Why Choose Us
High Premium raw materials, sourced directly from China's renowned large steel mills, ensure our products exemplify outstanding excellence.
Advanced Our state-of-the-art automatic production lines guarantee consistent, high-quality manufacturing.
Strict Our stringent quality management processes, coupled with exemplary after-sales service, ensure complete customer contentment.
More With over two decades of industry experience, we hold unmatched expertise and industry knowledge.
Advanced Our precise laboratory equipment is dedicated to meticulous quality assurance and testing.
ISO9001, ISO14001, ISO45001, and SGS certifications highlight our unwavering dedication to quality and environmental stewardship.
Our strategic location provides a swift four-hour reach to Qingdao port, facilitating efficient and seamless 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 Chinese steel giants in grinding ball steel, we guarantee supreme material integrity.

2. Product Range: Our extensive product portfolio caters to varied customer needs, offering both cast and forged types in a wide-ranging selection.

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

4. Production Facility: Our advanced automatic production lines promise exceptional quality consistency across all products.

5. Delivery: Our streamlined automated production system assures prompt delivery post-order confirmation, often within just 14 days, tailored to specific client needs.

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



At JINCHI, we pride ourselves on delivering top-tier products directly from our distinguished suppliers. Enjoy the unbeatable factory prices on essential mining equipment, including our robust cast iron Ball Mill Grinding Media Steel Ball, designed to elevate your operations.

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: Discover the advantage of our 28-year legacy in crafting superior steel balls. We are committed to excellence and precision in every product we manufacture.

Q2. In which countries are your products sold?

A: Our products proudly span the globe, making a significant impact in nations like Mexico, Canada, Brazil, and stretching to Tanzania, Congo, South Africa, and beyond. Our presence is further strengthened by a prominent branch office in Australia.

Q3: Are you trading company or manufacturer?

A: We are a formidable manufacturing force, confidently operating as a factory to meet your needs.

Q4: How long is your delivery time?

A: Our delivery process is efficient and timely, typically ranging from a speedy 10 to 15 days, adaptable based on order size.

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

A: Certainly, we are delighted to provide free samples, with the only request being that freight costs are covered.

Q6: What is your terms of payment?

We offer versatile payment terms to suit your convenience: T/T with a 30% deposit and the remaining 70% due upon receipt of the B/L copy.
OR L/C: Engage in secure transactions with a 100% Irrevocable letter of credit at sight.