Superior Casting Balls with Cr10-28 Grade and Low Breakage 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: 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

Introducing JINCHI's premium range of products, where we offer factory-priced solutions for mining equipment needs. Our cast iron Ball Mill Grinding Media Steel Balls stand out as the epitome of durability and efficiency.
Company Name: Shandong Jinchi Heavy Industry Joint-Stock Co., LtdAt Shandong Jinchi Heavy Industry, we are proud to be recognized as a leading manufacturer of high-end grinding media products. Our impressive product line includes: Grinding Media Forged with precision craftsmanshipHigh-Grade Steel Robust Casting Durable Steel Balls,High-Performance Grinding Rods, Versatile Grinding Cylpebs, These products are meticulously engineered to meet international standards, supported by our cutting-edge facilities that boast an annual production capacity exceeding 100,000 tons. Trust in our craftsmanship for quality and reliability.

We eagerly await your inquiries regarding our superior grinding balls. Rest assured, you will receive the most competitive pricing swiftly. Thank you for considering us.

Why Choose Us
Only the Finest We utilize high-quality raw materials, directly sourced from prestigious large steel mills, ensuring our products are of exceptional caliber.
State-of-the-Art Our innovative automatic production lines guarantee consistent, high-quality manufacturing results you can rely on.
Thorough Our rigorous quality management processes, paired with outstanding after-sales service, ensure your utmost satisfaction.
Backed by Experience With over two decades of industry experience, our expertise in the field is unmatched.
Precision Testing Equipped with advanced laboratory equipment, we conduct meticulous testing to assure product quality.
Certified ExcellenceOur ISO9001, ISO14001, ISO45001, and SGS certifications underscore our dedication to quality and sustainability.
Efficient Export Our strategic location guarantees rapid logistics, with a four-hour reach to Qingdao port for swift export operations.

Detailed Chemical Composition of Our 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

Specifications and Benefits ofOur 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

Key Advantages:

1.Exceptional Material Quality: We source our steel directly from Laigang Group and JIYUAN, leading names in China for grinding ball steel, ensuring unmatched material integrity.

2. Comprehensive Product Range: Our diverse portfolio meets various customer demands, offering both cast and forged types with a wide selection of options.

3. Significant Production Capacity: With a robust production capacity of approximately 100,000 MT, we assure continuous, reliable delivery of our media.

4. State-of-the-Art Production Facilities: Our advanced automatic production lines ensure each product maintains exceptional quality consistency.

5. Prompt Delivery Service: Our streamlined production system allows for swift delivery post-order confirmation, typically within 14 days, tailoring to specific needs.

6. Stringent Quality Control: Our dedicated laboratory uses cutting-edge testing equipment to ensure every production phase aligns with strict quality protocols.


Manufacturing Process Overview



Discover JINCHI's exceptional products, where we offer factory-priced solutions for your mining equipment needs, with cast iron Ball Mill Grinding Media Steel Balls that exemplify durability and performance.

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 distinguishes your company from others?

A: As seasoned experts in the art of steel ball manufacturing, Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. brings an impressive 28 years of invaluable production experience to the table, ensuring unmatched quality and reliability.

Q2. Which countries have embraced your products?

A: Our products have made their mark globally, with significant presence in countries like Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, among others. Additionally, we maintain branch offices in Australia to better serve our international clientele.

Q3: Is your company a trading entity or a manufacturing powerhouse?

A: We proudly operate as a manufacturing powerhouse, dedicated to producing high-quality goods.

Q4: What is your standard delivery timeframe?

A: Our standard delivery timeframe is typically 10-15 days, but this can vary depending on the quantity ordered, ensuring timely service tailored to your needs.

Q5: Are sample products available? If so, what is the cost?

A: Absolutely, we provide sample products at no additional charge. However, please note that the freight costs are not covered.

Q6: Could you detail your payment terms?

T/T (30% upfront and 70% upon copy of Bill of Lading);
Or via an L/C (100% Irrevocable Letter of Credit at sight), providing secure and flexible payment options for our clients.