Premium Casting Grinding Media Iron Balls, Grade Cr10 to Cr28

• 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: 73259100
• Production Capacity: 100000tons/Year

Product Description

Discover JINCHI's remarkable offering: Factory Price Mines Equipment Cast Iron Ball Mill Grinding Media Steel Ball. Unmatched in quality and reliability, our products are crafted for peak performance.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAs a distinguished professional manufacturer, Shandong Jinchi Heavy Industry is committed to delivering premium grinding products. We proudly present an impressive array of top-tier offerings, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Meticulously crafted to meet international standards, our products benefit from cutting-edge facilities with an annual production capacity surpassing 100,000 tons.

We eagerly anticipate your inquiries about our grinding balls. Expect swift responses with competitive prices. Thank you for considering us.

Why Choose Us
High Our products are crafted from high-quality raw materials, sourced directly from the industry's leading large steel mills, ensuring impeccable product excellence.
Advanced With our state-of-the-art automatic production lines, we guarantee consistent manufacturing quality you can rely on.
Strict Our rigorous quality management processes, paired with outstanding after-sales service, ensure our customers' utmost satisfaction.
More Our extensive experience of over two decades equips us with expertise that is second to none in the industry.
Advanced Our sophisticated lab equipment facilitates meticulous testing and stringent quality assurance.
ISO9001, ISO14001, ISO45001, and SGS certifications underscore our unwavering commitment to superior quality and environmental stewardship.
Four -hour proximity to Qingdao port ensures rapid and efficient logistics for swift exports.

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 from Laigang Group and JIYUAN, China's eminent steel companies renowned for their excellence in grinding ball material, ensuring superior material integrity.

2. Product Range: Our diverse portfolio caters to every customer need, offering an extensive range of both cast and forged types.

3. Capacity: With a formidable production capacity of around 100,000 MT, we ensure a smooth and uninterrupted supply chain for our valuable clients.

4. Production Facility: Our modern automatic production lines deliver unparalleled quality consistency in each and every product.

5. Delivery: Thanks to our efficient automated production system, we promise prompt delivery after order confirmation, typically within 14 days, tailored to specific needs.

6. Quality Control: Our dedicated laboratory, equipped with advanced precision testing tools, ensures all production stages adhere strictly to high-quality standards.


Manufacturing Process



Discover the exceptional quality and unbeatable factory prices of JINCHI's premium cast iron Ball Mill Grinding Media Steel Balls-your ideal choice for mining equipment.

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: With 28 years of expertise in steel ball manufacturing, we proudly stand as a leader in the industry, ensuring superior quality and reliability.

Q2. In which countries are your products sold?

A: Our products have a global reach, serving clients in Mexico, Canada, Brazil, and many other countries worldwide. Additionally, we maintain branch offices in Australia to better serve our international clientele.

Q3: Are you trading company or manufacturer?

A: We are the manufacturing powerhouse behind our products, bringing you unmatched quality straight from our factory.

Q4: How long is your delivery time?

A: Typically, our efficient processes ensure delivery within 10-15 days, tailored to the order quantity.

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

A: Absolutely! We offer complimentary samples, though shipping costs are not included.

Q6: What is your terms of payment?

We accept T/T payments (30% in advance, 70% upon receipt of B/L copy);
Alternatively, we welcome L/C payments (100% irrevocable letter of credit at sight)