Tough Casting Balls with Impact Value Greater Than 4j/Cm^2 for Reliability

• 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

Factory Direct: Unmatched Value - Mines Equipment Cast Iron Ball Mill Grinding Media Steel Balls at JINCHI.
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry stands as a beacon of excellence in the manufacturing of superior grinding products. Our distinguished company offers an extensive array of products including: Forged Grinding MediaSteel Casting Balls Steel Balls,Grinding Rods, Grinding Cylpebs, Our products are meticulously engineered to align with global industry standards, and our cutting-edge facilities manifest a substantial annual production capacity surpassing 100,000 tons.

We eagerly await your inquiries regarding our grinding balls, promising timely delivery of competitive pricing and exceptional support.

Why You Should Choose Us
Superior Our commitment to quality starts with premium raw materials sourced from esteemed large-scale steel mills, ensuring product excellence.
Innovative Our highly advanced automatic production lines guarantee consistent, high-quality manufacturing.
Rigorous Our stringent quality management systems, paired with outstanding after-sales service, assure complete customer satisfaction.
With over two decades of industry experience, we bring unrivaled expertise to the table.
Sophisticated laboratory equipment enables thorough testing and verification of our product quality.
ISO9001, ISO14001, ISO45001, SGS certifications are testaments to our unwavering dedication to quality and environmental stewardship.
Our strategic location, just four hours from Qingdao port, ensures rapid and efficient export logistics.

Composition Details 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

Specifications ofPremium Wear-Resistant 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

Core Advantages:

1.Material Excellence: By sourcing steel from industry leaders Laigang Group and JIYUAN, renowned for specialized grinding ball steel, we ensure outstanding material integrity.

2. Diverse Product Range: Our portfolio is designed to satisfy varied customer needs, offering both cast and forged types across an expansive range.

3. Capacity Assurance: With a robust production ability of about 100,000 MT, we ensure reliable and continuous supply of media to our valued clients.

4. State-of-the-Art Facilities: Our cutting-edge automatic production lines maintain exceptional quality consistency in all our products.

5. Swift Delivery: Our optimized automated production ensures rapid delivery post-order confirmation, typically within 14 days, tailored to specific needs.

6. Uncompromising Quality Control: Our dedicated laboratory, laden with cutting-edge testing equipment, ensures each production phase meets stringent quality benchmarks.


Manufacturing Process



Discover the unparalleled excellence of JINCHI products and suppliers! We offer factory-priced mining equipment, including high-performance 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

Certificates


Frequently Asked Questions (FAQ)

Q1: What is the advantage of your company?

A: With an impressive legacy of 28 years in manufacturing, we stand as seasoned experts in crafting superior steel balls, ensuring quality and excellence.

Q2. In which countries are your products sold?

A: Our global reach extends to nations such as Mexico, Canada, Brazil, Tanzania, Congo, and many more. We also have strategically positioned branch offices in Australia, ensuring seamless service.

Q3: Are you trading company or manufacturer?

A: We proudly operate as a manufacturing factory, committed to delivering top-notch products.

Q4: How long is your delivery time?

A: Typically, our delivery spans 10-15 days, though it may vary depending on order quantity.

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

A: Absolutely! We offer complimentary samples, though the cost of freight is not included.

Q6: What are your terms of payment?

We accept T/T payments, with 30% upfront and 70% upon presentation of a B/L copy;
Alternatively, we also accept L/C, which is a 100% irrevocable letter of credit at sight.