Cast Steel Grinding Ball Cylpebs 25*25mm

• Material: Steel
• Content: 75% ~ 80%
• Usage: Grind
• Processing Type: Rolling Type
• Size: 10-165mm
• Color: Brown
• Customized: Customized
• Long Wear Life: for Gold Mines
• Good Wear Rate: Strong Microscopic Structure
• High Quality: Tough Surface to Tough Core
• Hardness 60-65HRC: No Breakage
• for Copper Mines: Good Performance
• Transport Package: Ton Bags or Steel Drums
• Specification: ISO9001, SGS
• Trademark: Taihong
• Origin: Qingzhou, Shandong
• HS Code: 732591
• Production Capacity: 100000tons/Year

Product Description

Product Structure


Technical 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	19-35	≤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		≥6
Medium-Cr		≥50		≥12000		M+C		≥6
High-Cr		≥58		≥15000		M+C		≥6
Superhigh-Cr		≥60		≥22000		M+C		≥6
P-Pearlite  C-Carbide    M-Martensite

Nominal Diameter		Diameter Tolerance	Weight of Single Ball In Average	Numbers of Per Ton Ball In Average
(mm)	(Inch)	(mm)	(g)
20	0.75''	+2  -1	32	31250
25	1''		64	15625
30	1.25''		110	9090
40	1.5''		263	3802
50	2''		513	1949
60	2.5''	+3  -2	888	1126
70	2.75		1410	709
80	3.25''		2104	475
90	3.5''		2996	333
100	4''		4110	243
110	4.5''	+4  -2	5457	182
120	4.75''		7102	140
130	5''		9030	110
140	5.5''	+4  -3	11278	88
150	6''		13871	72

 

Process

Solutions

1) Cement Plant

2) Mines (Gold, Copper, Iron, Molybdenum, Lead, Zinc, etc)

3) Power station


Testing