High hardness HRC 60-68 grinding balls Mining / ball mill , forging and casting Tecnology

Delivery Time:3-5 days
Certification:CE,FCC,MSDS

       High hardness grinding balls for ball mill by Chinese manufacturer

Our Advantage

>Our products from Grinding Ball production base-Shandong province China is high quality and low-cost.Wothy of your trust.

>The Heat treatment technology is very perfect, especially the tempeing process,it increase the hardness of the forging steel ball and more wear-resisting.

>Our grinding ball has been exported to Japan,Indonesia,Malaysia and many other countries and have got great reputation from our customer at home and abroad.

Grinding Balls For Ball Mill Chemical Elements( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)

Forged Steel Balls

Material	Chemical Elements
C	Si	Mn	P/S	Cr
45#	0.42-0.50	0.17-0.37	0.5-0.8	<0.035	<0.25
60MN	0.55-0.65	0.17-0.37	0.7-1.0	<0.04	<0.25
B2	0.72-0.85	0.17-0.37	0.7-1.0	<0.04	0.4-0.6
B3	0.5-0.8	1.0-1.8	0.4-1.0	0.035	0.5-1.0

Cast Iron balls

Material	Chemical Elements
C	Si	Mn	P	S	Cr
Speical Cr 2	2.0-3.0	< 1.0	0.5-2.0	<0.08	< 0.06	> 20
Speical Cr 1	2.0-3.0	< 1.0	0.5-2.0	<0.08	< 0.06	> 15
High Cr	2.0-3.2	< 1.0	0.5-2.5	<0.08	< 0.06	> 10
Medium  Cr	2.0-3.2	< 1.0	0.5-2.5	<0.08	< 0.06	> 5
Low Cr	2.2-3.4	< 1.2	0.5-1.5	<0.08	< 0.06	1.0-1.5

Features and Advantages:
 

Concentrating on wear-resistant grinding material for015 years, Zhongwei Brand steel grinding ball is excellent in surface quality, hardness, and resistant to impact and abrasion. It won\'t crack and lose circularity easily.
1) High hardness: Zhongwei forged grinding steel ball has high hardness: surface hardness can reach to 55-67 HRC, volume hardness 56-64HRC
2) High Impact toughness: impact toughness is more than 12 J / cm2.
3) Low Broken rate:  peel fragmentation resistance property of over 20000 times. The actual breakage rate is less than 1% and close to 0.
Raw Material:
 

As we know, the quality of forged grinding piece depends on the material by 80%. Our products use high-quality round steel from national large-scale steel mill to insure the quality of our products.
Products Specifications: 
 

Our products range from 20mm to 150mm, 1 inch to 6 inch, and we can also offer all size of products according to clients\' demand.
Packing Instruction:
 
Barrel with wooden pallet: 
Barrel size(cm): 89 × 58 (Volume: 800kgs-900kgs N.G. avaliable)
 Pallet size(cm): 168 ×59×13
 Two Barrel tie on the wooden pallet, steel tape for bundle
Strong Nylon Bag:
Available Bag: 500kg; 1000kg
 

Grinding Balls For Ball Mill Contact ( 24 hours on line waiting for your consult)

Contact us

July Sun

Skype julysun214

Email julysun@zwgrindingball.com

Mobile (whats app) 86-15666667179