High Quality Grinding Steel Ball for Ball Mill 25mm B2

• Material: Aiioy
• Content: 100%
• Usage: Mine, Cement Plant, Power Station
• Processing Type: Forging Forming
• Size: 20-150mm
• Color: Metallochrome
• Model NO.: B2
• Customized: Customized
• Name: Forged Grinding Steel Balls for Ball Mill(ISO9001
• Certification: ISO9001:2008
• Materia: B2
• Chemical Composition: C Si Mn S P Cr
• Impact Test: 13
• Endurance Test Times: 12000
• HRC: 58-62
• Breakage: 1%
• Microstructure: M+B+C
• Heat Treatment: Water Quenching
• Transport Package: Container Bag, Steel Drum
• Specification: SGS ISO9001: 2008
• Trademark: Jinan zhongwei
• Origin: Shandong Jinan
• HS Code: 73261100
• Production Capacity: 1000000

Product Description

high quality grinding steel ball for ball mill 25mm B2
Specification:
1) No deformation 
2) High hardness Good wear resistant 
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
 
Grinding ball details
a. Grinding steel ball material:
The high quality round steel.
b. Grinding steel ball application : 
1) CEMENTPLANTS, 
2) Metal mining in mines
3) power stations
4) Chemical engineering 
c.Package:
Steel drum (800-900kg per drum) or flexible container bag (1000kg per bag) 
d.Chemcial Elements and Hardness

Material	Chemical elements						Hardness
	C	Si	Mn	S	P	Cr	HRC
Special Cr1	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>20	58-64
Special Cr2	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>15	58-64
High Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	>10	58-62
Medium Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	≥5	45-48
Low Cr	2.2-3.4	≤1.2	0.5-1.5	≤0.06	≤0.08	1.0-1.5	42-46

 

Physical Property & Microstructure
Name	HRC	Ak(J/cm 2 )	Microstructure	Times of Falling Balls
Low Cr Balls	≥45	≥2.5	P+C	≥10000
Medium Cr Balls	≥48	≥3.0	P+C	≤Φ80	≥15000
				≥Φ80	≥10000
High Cr Balls	≥58	≥4	M+C+A	≤Φ80	≥15000
				≥Φ80	≥10000
M-Martensite     P-Pearliet     C-Carbide    A-Austenite

   
Long-term cooperation is our goal with every customer:

Because we know that good service and products cost effective is the most important magic weapon of maintaince of the old customer.

Because we know that to look for a new customer is far difficult than maintaince old customer.

With a cooperation win all life cooperation.


We sincerely welcome customers from both at home and abroad to come to negotiate business with us. We are committed to with you to establish long-term cooperation.
 
Our serious promise: supplying you with high quality products, competitive prices, timely delivery, and satisfactory service. We are always insisting on the theory of "Credit Goal, Client First, and Mutual Profits". Let's build a better future.