Tough Cr10-28 Casting Chrome Iron Balls, Breakage Rate Less Than 1%

• 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 unbeatable value of JINCHI's Factory-Direct Priced Mines Equipment, featuring cast iron Ball Mill Grinding Media Steel Balls crafted for excellence.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdIntroducing Shandong Jinchi Heavy Industry, a prestigious and professional manufacturer renowned for top-tier grinding products. Our distinguished offerings include an extensive selection of items, such as: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Crafted with meticulous precision, our products consistently meet international standards. Our state-of-the-art facilities proudly offer an annual production capacity of over 100,000 tons, underscoring our dedication to quality.

We look forward to receiving your inquiries about our premium grinding balls. Rest assured, we will promptly provide you with the best price available. Thank you for considering us.

Why Choose Us
We procure only high-quality raw materials from large, well-established steel mills, ensuring an unparalleled standard of product excellence.
Our advanced automatic production lines are designed to consistently deliver outstanding manufacturing quality, ensuring each product meets rigorous standards.
Our strict quality management processes, combined with our superior after-sales service, ensure complete customer satisfaction.
With over twenty years of industry experience, we possess unmatched expertise that enhances our service and product offerings.
Our sophisticated lab equipment allows us to conduct precise testing and thorough quality assurance, maintaining our high standards.
Our certifications, includingISO9001, ISO14001, ISO45001, and SGS, highlight our dedication to quality and adherence to environmental standards.
Our strategic location, just a four-hour reach from Qingdao port, facilitates swift and efficient export logistics, ensuring prompt delivery to our international clients.

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: We source our steel directly from Laigang Group and JIYUAN, China's leading steel companies specializing in grinding balls, ensuring unmatched material integrity.

2. Product Range: Our diverse portfolio satisfies various customer requirements, offering a comprehensive range of both cast and forged products.

3. Capacity: With an impressive production capacity nearing 100,000 MT, we guarantee smooth, continuous delivery of media to our valued clients.

4. Production Facility: Our innovative automatic production lines are designed to maintain exceptional quality consistency across all products.

5. Delivery: Our efficient automated production system promises rapid order fulfillment, often dispatching products within 14 days, tailored to specific client needs.

6. Quality Control: Our dedicated laboratory, equipped with cutting-edge testing tools, ensures each manufacturing stage adheres strictly to rigorous quality standards.


Manufacturing Process



Introducing JINCHI: Your Premier Partner for Factory-Direct Pricing on Mines Equipment Cast Iron Ball Mill Grinding Media Steel Balls.

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

Exemplifying Quality: Our Esteemed Certifications


Frequently Asked Questions: Your Queries Answered

Q1: What sets your company apart from others in the industry?

A: With an impressive legacy, we are seasoned professionals in steel ball manufacturing, boasting 28 years of unparalleled expertise.

Q2. Could you tell us about the international reach of your products?

A: Our products have a robust global presence, reaching Mexico, Canada, Brazil, and stretching across continents to countries like Tanzania, Congo, South Africa, Mali, Cote d 'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, where we maintain branch offices.

Q3: Are you a trading company or a manufacturing enterprise?

A: We proudly operate as a factory, ensuring quality and consistency.

Q4: What is the typical timeframe for your delivery process?

A: On average, our efficient delivery spans 10-15 days, tailored to order volume.

Q5: Do you offer sample products? If so, is there a charge?

A: Absolutely, we provide complimentary samples; however, shipping costs are not included.

Q6: What payment terms are available to your clients?

We accept T/T (30% upfront, with the remaining 70% due upon B/L copy confirmation).
Alternatively, we also accept L/C (100% Irrevocable Letter of Credit at sight).