30mm High Chrome Casting Grinding Balls

• Customization: Available
• Material: Steel
• Content: 75% ~ 80%
• Model NO.: 10mm-160mm
• Usage: Grind
• Processing Type: Rolling Type
• Size: 10-165mm
• Color: Brown
• Customized: Customized
• No Breakage: Fough Surface to Tough Core
• Good Wear Rate: Strong Microscopic Structure
• Transport Package: Ton Bags or Steel Drums
• Specification: ISO9001, SGS
• Trademark: Taihong
• Origin: Qingzhou, Shandong
• HS Code: 732591
• Production Capacity: 100000tons/Year

Product Description

Casting grinding ballsHigh Chrome Grinding Balls for Cement Industry

 

Diameter	Cr %	Equipment
13-60mm(1/2"-2 1/4'')	10-13	Ball mills-2nd compartment
50-100mm(2''-4'')	15-18	Ball mills-1st compartment
13-100mm(1/2"-4'')	15-22	Ball mills-1st and 2nd compartments

High Chrome Grinding Balls for Mining Industry

 

Diameter	Cr %	Equipment
13-100mm(1/2"-4'')	10-35	Ball mills
100-160mm(4''- 6 1/2'')	10-35	Ball mills and SAG mills

Casting Grinding Balls for Caol Grinding, Limestone Grinding, and Other Applications

 

Type	Cr %
Low-Cr	1-3
Medium-Cr	4-9
High-Cr	10-18
Superhigh-Cr	19-35

Detailed DescriptionChemical Components

 

Type	Chemical components
	C	Si	Mn	Cr	Mo	Cu	P	S
Low-Cr	1.8-3.2	≤1.2	≤1.5	1-4	≤1.0	≤0.5	≤0.15	≤0.15
Medium-Cr	1.8-3.2	≤1.2	≤1.5	4-9	≤1.5	≤1.0	≤0.15	≤0.15
High-Cr	1.8-3.2	≤1.2	≤1.5	10-18	≤1.0	≤1.5	≤0.10	≤0.10
Superhigh-Cr	1.8-3.2	≤1.2	≤1.5	22-25	≤2.0	≤1.5	≤0.10	≤0.10

Mechanical Properties and Microstructure

 

Type	Mechanical properties					Microstructure
	HRC	Falling ball times
Low-Cr	≥45	≥8000				P+C
Medium-Cr	≥50	≥12000				M+C
High-Cr	≥58	≥15000				M+C
Superhigh-Cr	≥60	≥22000				M+C
P-Pearlite  C-Carbide  M-Martensite

 

Application


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