Premium Cr10-28 Casting Balls with Low Breakage Rate for Tough Conditions

• 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

JINCHI proudly offers a stellar collection of products as a trusted supplier. Discover our Factory Price Mines Equipment, featuring premium cast iron Ball Mill Grinding Media Steel Ball.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands tall as a distinguished leader in the professional manufacture of premium grinding products. We are honored to present an extraordinary array of offerings, including: Grinding Media ForgedSteel Balls, expertly crafted through Casting Steel Balls,High-quality Grinding Rods, Precision-engineered Grinding Cylpebs, Every product is meticulously crafted to surpass international standards, with our cutting-edge facilities achieving a magnificent annual production capacity of over 100,000 tons.

We sincerely await your esteemed inquiries regarding our exceptional grinding balls. Rest assured, our best price will be swiftly communicated. Thank you.

Why Choose Us
Superior Our high-quality raw materials are sourced directly from esteemed large steel mills, ensuring unmatched product excellence.
State-of-the-art Our advanced automatic production lines ensure consistent and reliable manufacturing excellence.
Uncompromising Our stringent quality management processes, paired with outstanding after-sales service, ensure maximum customer satisfaction.
With over two decades of industry expertise, we offer unmatched knowledge and proficiency.
Our cutting-edge and highly precise laboratory equipment enables meticulous testing and rigorous quality assurance.
Our adherence toISO9001, ISO14001, ISO45001, and SGS certifications underscores our unwavering commitment to quality and environmental standards.
Our strategic location provides a swift four-hour reach to Qingdao port, ensuring efficient export logistics.

Chemical Composition of our expertly crafted 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

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: Sourcing steel directly from Laigang Group and JIYUAN, the preeminent steel companies renowned in China for their specialized steel for grinding balls, guarantees exceptional material integrity.

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

3. Capacity: With a robust production capability of around 100,000 MT, we ensure smooth and uninterrupted media supply to our clientele.

4. Production Facility: Our state-of-the-art automatic production lines guarantee remarkable quality consistency in every product we deliver.

5. Delivery: Our streamlined automated production system facilitates prompt delivery post-order confirmation, often within as little as 14 days, tailored to specific requirements.

6. Quality Control: Our dedicated laboratory is furnished with advanced and precise testing apparatus, ensuring each production step adheres to stringent quality standards.


Manufacturing Process



Discover unbeatable factory prices on our Mines Equipment, featuring JINCHI's premium cast iron Ball Mill Grinding Media Steel Balls. Experience the perfect blend of 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 is the advantage of your company?

A: Benefit from our unrivaled expertise as we are esteemed professional steel ball manufacturers, boasting 28 years of prolific production experience.

Q2. In which countries are your products sold?

A: Our products have gained global recognition and are sold across numerous countries, including Mexico, Canada, Brazil, Tanzania, and many more. We also proudly operate branch offices in Australia, ensuring widespread access and support.

Q3: Are you trading company or manufacturer?

A: We are a dedicated factory, ensuring direct and efficient production.

Q4: How long is your delivery time?

A: Our standard delivery is swift, typically ranging from 10 to 15 days, tailored according to the order quantity.

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

A: Absolutely, we are pleased to offer samples at no charge. However, the shipping cost must be covered by the recipient.

Q6: What is your terms of payment?

We offer flexible payment options: T/T with 30% upfront and the remaining 70% upon receipt of the Bill of Lading copy;
Alternatively, an L/C with a 100% irrevocable letter of credit at sight is also accepted.