High-Impact 10mm/12mm/20mm/30mm/40mm/50mm/60mm/70mm/80mm/90mm/100mm/110mm/120mm/130mm Casting Balls with Breakage Rate Under 1%

• 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 products/suppliers. Factory Price Mines Equipment cast iron Ball Mill Grinding Media Steel Ball
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is a distinguished professional manufacturer of premium grinding products. Our company takes pride in presenting an exceptional range of products that include: Grinding Media ForgedSteel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, These products are meticulously crafted to align with international standards, and our state-of-the-art facilities proudly offer an annual production capacity exceeding 100,000 tons.

We genuinely look forward to receiving your inquiries about our grinding balls. Rest assured, the most competitive pricing will be promptly provided. Thank you.

Why Choose Us
High Quality raw materials sourced directly from renowned large steel mills guarantee superior product excellence.
Advanced automatic production lines ensure consistent and reliable manufacturing quality.
Strict quality management processes, coupled with exceptional after-sales service, uphold customer satisfaction.
More than two decades of industry experience bestow us with unrivaled expertise.
Advanced and precise lab equipment facilitates meticulous testing and quality assurance.
ISO9001, ISO14001, ISO45001, SGS certifications underscore our dedication to quality and environmental standards.
Four -hour proximity to Qingdao port ensures swift and efficient export logistics.

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: By sourcing steel from Laigang Group and JIYUAN, China's leading steel companies specializing in grinding ball steel, we ensure unparalleled material integrity.

2. Product Range: Our portfolio meets diverse customer needs, offering both cast and forged types with a comprehensive selection.

3. Capacity: With an impressive production capacity of approximately 100,000 MT, we ensure smooth and uninterrupted delivery of media to our clients.

4. Production Facility: Our pioneering automatic production lines guarantee exceptional quality consistency in every product.

5. Delivery: Our optimized automated production system allows for swift delivery post-order confirmation, often within just 14 days, depending on specific requirements.

6. Quality Control: Our specialized laboratory, outfitted with advanced and precise testing equipment, ensures each production step adheres strictly to rigorous quality standards.


Manufacturing Process



Experience the excellence of JINCHI's offerings with our Factory Price Mines Equipment, featuring robust cast iron Ball Mill Grinding Media Steel Balls. Discover the perfect blend of durability and precision.

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 dedicated expertise, we stand as a distinguished leader in steel ball manufacturing, delivering impeccable quality and unparalleled craftsmanship.

Q2. In which countries are your products sold?

A: Our global footprint spans Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, and Australia, where we also have established branch offices.

Q3: Are you trading company or manufacturer?

A: We are a manufacturer, ensuring complete control over the quality and innovation in our production.

Q4: How long is your delivery time?

A: Typically, our delivery timeline is between 10-15 days, subject to order quantity and customization requirements.

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

A: Yes, we are pleased to offer complimentary samples, with the exception of freight charges.

Q6: What is your terms of payment?

T/T (30% in advance and 70% upon presentation of B/L copy);
Alternatively, L/C (100% Irrevocable letter of credit at sight)