Heavy-Duty Casting Iron Balls/Forged Grinding Ball Grinding Cylpebs with Low Breakage Rate and High Impact

• 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 value of JINCHI's premium products and suppliers. We proudly offer factory-priced Mines Equipment, featuring our superior cast iron Ball Mill Grinding Media Steel Balls, engineered for optimal performance.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence in the manufacturing of superior grinding products. Our esteemed company specializes in providing an impressive selection of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Ingeniously crafted to align with international standards, these products are produced in our cutting-edge facilities, with an astounding annual capacity surpassing 100,000 tons.

We warmly welcome your inquiries regarding our grinding balls, promising swift and competitive pricing responses. Thank you for considering us.

Why Choose Us
High Quality assurance begins with our sourcing of premium materials from acclaimed large steel mills, ensuring the highest degree of product excellence.
Advanced Our state-of-the-art automatic production lines guarantee unmatched manufacturing consistency and reliability.
Strict Adherence to rigorous quality management processes, coupled with outstanding after-sales service, ensures unparalleled customer satisfaction.
More than twenty years of industry prowess arm us with unique insights and unmatched expertise.
Advanced Our precise laboratory equipment is at the forefront of meticulous testing and quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications reinforce our unwavering commitment to superior quality and environmental stewardship.
Strategically located, our four-hour proximity to Qingdao port ensures swift and efficient 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 ofOur Good Wear Resistance Forged Grinding Media Steel Mill Balls are crafted to deliver prolonged durability and exceptional 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: We procure steel from Laigang Group and JIYUAN, China's leading steel experts, ensuring unparalleled material quality for our grinding balls.

2. Product Range: Our comprehensive portfolio caters to diverse needs, offering both cast and forged types to suit every requirement.

3. Capacity: With an impressive production capacity of around 100,000 MT, we ensure seamless, uninterrupted media delivery to our clients.

4. Production Facility: Our modern automatic production lines guarantee exceptional quality consistency, product after product.

5. Delivery: Our efficient production system promises expedited delivery following order confirmation, often within a mere 14 days, tailored to your needs.

6. Quality Control: Our advanced laboratory is equipped to ensure every product meets our stringent quality criteria, maintaining excellence throughout.


Manufacturing Process



Discover the exceptional quality of JINCHI products and suppliers, offering unbeatable factory prices. Equip your mines with our top-of-the-line cast iron Ball Mill Grinding Media Steel Balls, designed for exceptional performance and durability.

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

Certifications & Accreditations


Frequently Asked Questions (FAQ)

Q1: What makes Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd superior?

A: As a seasoned professional in steel ball manufacturing, we proudly boast 28 years of dedicated production expertise, ensuring unparalleled quality and innovation.

Q2. Which markets do you serve with your high-performance products?

A: Our products have a global footprint, being sold in countries such as 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 further extend our presence with branch offices strategically located in Australia.

Q3: Are you a trading company or do you directly manufacture your products?

A: We are proud to operate as a factory, ensuring quality control and direct manufacturing excellence.

Q4: What is the estimated delivery time for your orders?

A: Typically, our efficient processes allow for delivery within 10-15 days, subject to order quantity and specific requirements.

Q5: Can you provide samples of your products? Is there a cost involved?

A: Certainly, we offer complimentary samples to showcase our product superiority, although the cost of freight is not covered.

Q6: What are your accepted payment terms for transactions?

We accept T/T payments with a 30% advance and 70% payment upon presentation of the B/L copy;
Alternatively, L/C payments through a 100% irrevocable letter of credit at sight are also welcomed.