Reliable Cr10-28 Casting Iron Balls, Impact Value Over 4j/Cm²

• 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

Experience the superior quality of JINCHI products! Our Factory Price Mines Equipment includes premium cast iron Ball Mill Grinding Media Steel Balls, expertly crafted for durability and performance.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence in the manufacturing of top-tier grinding products. We proudly present an outstanding array of products, including: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, Our cutting-edge manufacturing facilities ensure that each product meets international standards. We boast an impressive annual production capacity surpassing 100,000 tons, guaranteeing unparalleled quality and service.

We eagerly await your next inquiry regarding our grinding balls. Rest assured, we will provide you with the best possible price promptly. Thank you for considering us!

Why Choose Us
High Quality raw materials, sourced directly from the most respected large steel mills, underpin our commitment to delivering only the finest products.
Advanced automatic production lines ensure every product is crafted with consistent, reliable excellence.
Strict quality management systems, alongside exceptional after-sales service, ensure your utmost satisfaction and peace of mind.
More than twenty years of dedicated industry experience empowers us with unrivaled expertise and knowledge.
Advanced and precise laboratory equipment ensures meticulous testing and quality assurance at every stage.
ISO9001, ISO14001, ISO45001, and SGS certifications affirm our steadfast commitment to quality and environmental excellence.
Four -hour reach to Qingdao port facilitates swift and efficient export logistics, ensuring timely and reliable deliveries.

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 procure our steel directly from Laigang Group and JIYUAN, the leading steel giants in China, ensuring superior material quality for top-performance grinding balls.

2. Product Range: Our diverse portfolio is designed to meet varied customer needs, offering both cast and forged options in an extensive range.

3. Capacity: With an impressive production capacity nearing 100,000 MT, we assure uninterrupted and reliable delivery of grinding media.

4. Production Facility: Our state-of-the-art automatic production lines guarantee impeccable quality consistency throughout our entire product range.

5. Delivery: Our streamlined automated system promises swift post-order delivery, often within a mere 14 days, tailored to your specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with advanced, precise testing equipment, upholds rigorous quality standards at every production stage.


Manufacturing Process



Explore our JINCHI product line! Factory Price Mines Equipment includes cast iron Ball Mill Grinding Media Steel Balls, crafted with precision for superior 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: We proudly stand as professional steel ball manufacturers with an impressive 28-year legacy of excellence and experience in production.

Q2. In which countries are your products sold?

A: Our products have reached global markets, including Mexico, Canada, Brazil, and a host of others across Africa, South America, Asia, and beyond. Notably, we have established branch offices in Australia to better serve our clients.

Q3: Are you trading company or manufacturer?

A: We are an esteemed manufacturing factory.

Q4: How long is your delivery time?

A: Typically, our delivery time ranges from 10 to 15 days, depending on order quantity.

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

A: Absolutely, we offer samples at no charge. However, the cost of freight is the responsibility of the customer.

Q6: What is your terms of payment?

T/T (30% in advance and 70% against copy of B/L);
OR L/C (100% Irrevocable letter of credit at sight)