Efficient Grinding Media Ball Forged and Casting Balls with Breakage Rate Under 1% for Longevity

• 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: Grinding Ball
• 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 unparalleled quality of JINCHI's products and suppliers, available at competitive factory prices! Our superior Mines Equipment cast iron Ball Mill Grinding Media Steel Ball is meticulously designed for outstanding performance and durability.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry emerges as an acclaimed leader and expert manufacturer in the world of premium grinding products. We are delighted to unveil our remarkable range of offerings, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Engineered with precision and adherence to international standards, our cutting-edge facilities offer an impressive annual production capacity exceeding 100,000 tons.

We warmly invite your inquiries for our exceptional grinding balls. Be assured, you will receive the best price quickly. We appreciate your interest.

Why Choose Us
High Our high-quality raw materials, sourced from prestigious large steel mills, ensure our products are of extraordinary excellence.
Advanced Our modern automatic production lines ensure consistent, reliable manufacturing quality.
Strict Our rigorous quality management processes, combined with our exceptional after-sales service, guarantee complete customer satisfaction.
More With over twenty years of industry experience, we bring unrivaled expertise and insight.
Advanced Our state-of-the-art lab equipment is devoted to rigorous testing and ensuring quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications highlight our steadfast commitment to quality and environmental standards.
Our prime location provides a swift four-hour access 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, China's foremost steel enterprises in grinding ball steel, we ensure superior material integrity.

2. Product Range: We present a wide-ranging portfolio to fulfill diverse customer needs, offering both cast and forged types in a comprehensive variety.

3. Capacity: With a notable production capacity of around 100,000 MT, we ensure seamless and continuous delivery of media to our valued clients.

4. Production Facility: Our state-of-the-art automatic production lines guarantee exceptional quality consistency across every product.

5. Delivery: Our streamlined automated production system ensures prompt delivery following order confirmation, often within just 14 days, customized to specific needs.

6. Quality Control: Our dedicated laboratory, featuring advanced and precise testing equipment, ensures rigorous compliance with quality standards at every stage of production.


Manufacturing Process



At JINCHI, we take pride in delivering premium quality products directly from our esteemed suppliers. Our commitment ensures unbeatable factory prices on essential mining equipment, notably our cast iron Ball Mill Grinding Media Steel Ball, a cornerstone in efficient mineral processing.

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: Harness the power of our 28-year legacy in the industry as renowned steel ball manufacturers, where our dedication to excellence in production is unmatched.

Q2. In which countries are your products sold?

A: Our products boast a robust global footprint, from the Americas, including Mexico, Canada, and Brazil, to the heart of Africa in nations like Tanzania, Congo, and South Africa. Additionally, our influential presence extends with a prominent branch office in Australia, ensuring comprehensive service and supply.

Q3: Are you trading company or manufacturer?

A: We stand as a formidable manufacturing entity, proudly operating as a factory dedicated to superior production standards.

Q4: How long is your delivery time?

A: Our delivery process is remarkably efficient, typically ranging between a rapid 10-15 days, depending on the order volume, to ensure timely project execution for our clients.

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

A: Certainly, we are delighted to provide complimentary samples to showcase our product quality, though we ask that the shipping costs are kindly covered by the requester.

Q6: What is your terms of payment?

We present versatile and accommodating payment terms: a simple T/T method with 30% payment upfront, and the remaining 70% settled upon receipt of the Bill of Lading copy.
OR L/C: Enjoy secure transactions with a 100% Irrevocable letter of credit at sight, ensuring peace of mind and reliability.