Low Chromium Casting Iron Ball for Enhanced Grinding Performance

• Customization: Available
• Material: Iron
• Content: 75% ~ 80%
• Model NO.: 12mm to 130mm
• Usage: Grind, Cement, Mining
• Processing Type: Casting
• Size: Iron
• Color: Black
• Customized: Customized
• Hardness: 60-65
• Breakage: 1%
• Heat Treatment: Heat Treated
• High Chrome: 10-28
• Low Chrome: 1-3
• Transport Package: Bag or Drum
• Specification: 12mm to 130mm
• Trademark: JINCHI
• Origin: China
• HS Code: 7325910000
• Production Capacity: 100000 Tons Per Year

Product Description

As pioneers in the industry, we proudly stand as the leading manufacturer of high-quality High Chromium and Low Chrome Casting Steel Balls. Our journey began in 1995, and for over two decades, we have been dedicated to serving the cement, mineral processing, power plant, chemical, and various other industries.

Product Parameters

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	19-30	≤2.0	≤1.2	≤0.10	≤0.06

Mechanical Properties and Microstructure
Type	Hardness	Falling times	Microstructure	Impact Toughness
Low-Cr	≥45	≥8000	M+C	≥5
Medium-Cr	≥50	≥12000	M+C	≥5
High-Cr	≥58	≥15000	M+C	≥5
Superhigh-Cr	≥60	≥22000	M+C	≥5
P-Pearlite  C-Carbide    M-Martensite

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

Manufacturing process

High Chromium Balls, with a chromium content of ≥10.0%, adhere to national standards, boasting impressive hardness levels (HRC) of over 58 and an impact value AK of ≥3.0J/2. These high-performance balls undergo rigorous high-temperature quenching and tempering treatments to ensure durability and strength.
Low Chromium Balls, containing 1-3% chromium, are expertly crafted to meet industry requirements and provide reliable, consistent performance.

Detailed Photos

After Sales Service

Our company features a comprehensive pre-sales and after-sales service system, committed to delivering efficient, complete, and swift response solutions to our customers, earning us an enduring reputation for excellence. solutions, all of which have won a lasting reputation for the company.

Packaging & Shipping

1. Bag (1000-2000KG) - Providing flexibility and convenience for large-scale storage.
2. Drum (850-950KG) - Offering sturdy protection and secure transport for our products.