60mn 65mn B2 B3 B4 B6 Bu Forged and Hot Rolling Grinding Media Steel Balls for Mining Industry 1 Inch to 5.5 Inch Hardness 60-65HRC

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Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd

VIP   Audited Supplier 9 years
Profile Certified by SGS/BV
1 inch to 5.5 inch
Steel
Steel
Grind, Mining
Forged or Hot Rolling
1 Inch to 5.5 Inch
Black
Customized
60-65HRC
Below 1%
14j Above
Heat Treated
7.85g
JINCHI
Bag or Drum
1"-5.5"
Shandong, China
7326110000
Product Description
Product Description

Forged grinding balls are made by air hammer and Hot rolling balls are produced by skew rolling technology.
Because of automatic production lines are used, balls' 
quality control is increasingly perfect.
This makes sure p
recise size control, stable hardness, uniform internal structure for each ball.

Product Parameters

Uniform hardness: 60-65HRC
Low breakage: below 1%
High grinding resistance: 10-30% longer use
High impact value: more than 14j/cm2
High comprehensive efficiency of the mill

 Chemical elements of steel balls

BrandMaterials CMnSiCrSPV
JC-150Mn0.48-0.560.70-1.00.17-0.37≤0.25≤0.035≤0.035 
JC-260Mn0.57-0.650.70-1.00.17-0.37≤0.25≤0.035≤0.035 
JC-365Mn0.62-0.700.90-1.20.17-0.37≤0.25≤0.035≤0.035 
JC-4B20.72-0.850.70-0.800.17-0.370.40-0.70≤0.035≤0.035 
JC-5B30.58-0.700.70-1.001.50-1.900.70-0.90≤0.035≤0.035 
JC-6B60.80-0.950.80-1.000.17-0.370.80-1.00≤0.035≤0.035 
Specification of hot rolling steel Grinding balls 
Nominal diameter Diameteical
Tolerance 
Weight of single ball in average 
 
Surface hardness 
 
Impact toughness 
 
(mm)(mm)(g)(HRC)(j/cm2 )
Φ20+2     -13260-65 
 
 
 
 
≥14
Φ2564
Φ30110
Φ40263
Φ50513
Φ60+3   -2888
Φ701410
Φ802104
Φ902996
Φ1004110
Φ125  +3  -3802758-63
Certifications

SGS inspection can be conducted before shipment.

Packaging & Shipping

1. Packing Details: Steel drums (850-930kgs/drum) or Flexible container bags(1ton/bag)
2. Delivery Details: Within 15-25 days after received the prepayment or LC at sight. 
Detailed Photos

 


 

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