Quality Casting Iron Balls, Impact Value Exceeds 4j/Cm² , Cr10-28

• 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 JINCHI advantage! Offering factory price on state-of-the-art Mines Equipment cast iron Ball Mill Grinding Media Steel Ball, engineered for excellence.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAt Shandong Jinchi Heavy Industry, we are proud to be a leading manufacturer of top-tier grinding products. Our esteemed company is committed to delivering an outstanding collection of offerings, including: Forged Grinding MediaSteel Casting Balls Steel Balls,Grinding Rods, Grinding Cylpebs, Our precision-crafted products meet international standards, with cutting-edge facilities achieving a remarkable annual production capacity of over 100,000 tons.

We warmly welcome your inquiries regarding our grinding balls. Our team is ready to provide you with the best pricing promptly. Thank you for considering JINCHI.

Why Choose Us
Superior Quality raw materials, sourced directly from renowned large steel mills, ensure our products achieve exceptional excellence.
State-of-the-art automatic production lines guarantee consistent and reliable quality in every manufacturing stage.
Rigorously enforced quality management processes, combined with outstanding after-sales service, ensure complete customer satisfaction.
With over two decades of industry expertise, we offer unmatched proficiency and insight.
Sophisticated and precise laboratory equipment ensures meticulous testing for unparalleled quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications showcase our unwavering commitment to quality and environmental standards.
Proximity to Qingdao port, just four hours away, facilitates 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 ofPremium Good 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: We proudly source steel directly from Laigang Group and JIYUAN, leading steel companies in China, ensuring the highest material integrity for our grinding balls.

2. Product Range: Meeting diverse customer needs with a full range of cast and forged options, our portfolio stands out in versatility.

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

4. Production Facility: Our advanced automatic production lines deliver exceptional consistency and quality in every product.

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

6. Quality Control: With a dedicated laboratory outfitted with advanced, precise testing equipment, rigorous adherence to quality standards is maintained at every production stage.


Manufacturing Process



Explore the robust and reliable craftsmanship of JINCHI products and suppliers, featuring Factory Price Mines Equipment cast iron Ball Mill Grinding Media Steel Ball. Our offerings are designed to meet the demanding needs of the mining industry, ensuring optimal 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

Certificates: We hold a range of industry-recognized certifications that underscore our commitment to quality and safety, providing you with unparalleled assurance and confidence in our products.


Frequently Asked Questions: A comprehensive guide to understanding our products, services, and policies, ensuring that you have all the information you need for a seamless experience with Shandong Jinchi Heavy Industry.

Q1: What outstanding advantages does your company offer?

A: With 28 years of extensive expertise in steel ball manufacturing, we stand as a beacon of excellence and professionalism in the industry. Our deep-rooted experience has honed our ability to deliver superior quality and innovation.

Q2. Which countries are benefiting from your exceptional products?

A: Our high-quality products have a global reach, serving markets in Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, among others. We proudly support these regions with a dedicated branch office in Australia.

Q3: Are you a trading company or a dedicated manufacturer?

A: We are a full-scale manufacturing factory, committed to producing exceptional products from start to finish.

Q4: How quickly can you deliver your high-quality products?

A: Typically, our delivery timeframe is 10-15 days, though this may vary according to the order quantity, ensuring timely satisfaction of your requirements.

Q5: Are samples available? Is there a cost involved?

A: Indeed, we provide samples at no extra charge, although the cost of freight is not covered. We believe in letting our product quality speak for itself.

Q6: What are your payment terms for securing these top-tier products?

Our flexible payment terms include T/T (30% upfront and 70% against the copy of B/L);
Alternatively, we accept L/C (100% Irrevocable letter of credit at sight), offering you peace of mind and financial flexibility.