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Bearing balls of YNN Brand
Bearing balls of YNN Brand

Minimum Order: 0
Quality/Safety Certification: 0.00


1.Material: AISI304 304L 316 316L 420
2.Grade:G10~G1000
3.Dia:0.5mm-50mm
4.HRC:58-62

Packaging Detail:Metal drum(800-950kg per drum) Ton bags(1000kg per bag)
Delivery Detail:Within 30 days after execution of contract(less than 400MT)
Specifications

carbon steel ball:1)High hardness(60-65HRC)
2)Supplier of Norilsk/lafarge/Codelco.
3)CE,inspectorate,SGS certificates

                                                                   steel ball

 

      YNN Co is professional manufacturer which produce high/low/middle chrome grinding balls and bars(mill balls/bars).Our products are used in cement industry, chemical industry,mining industry widely and exported to USA (cement plant),Chile(copper mine),Botswana(copper mine),Iran(zinc mine),Russia(cement plant and power plant),Pakistan(cement plant)etc.

 

       Our enterprise developed fast in recent three years.Nowadays,We have annual production capacity of  65,000 MT and own Two automatic and modern Production Lines(pictures below),take the leading position in Asian casting ball field.

 

 

Specification:

 Φ12.7;Φ15;Φ17;Φ20;Φ25;Φ30;Φ40;Φ50;Φ60;Φ70;Φ80;Φ90;Φ100;Φ110;Φ120;Φ125;Φ130.

Chemcial Composition:

 

ITEM

Designation

Chemical    Composition

C

Si

Mn

Cr

Mo

P

S

Popular

Grade

 

ZQCr10

1.8-32

0.3-1.2

0.2-1.0

10-13

Trace

≤0,10

≤0.10

  Cu

Ni

Nb

Ti

B

Zr

V

Trace

Trace

Trace

Trace

Trace

Trace

Trace

Hight Chromium Cast Grinding Balls

ZQCr26

2.0-30

≤1.0

0.2-1.0

22-28

≤1.0

≤0.10

≤0.08

ZQCr20

2.0-3.0

≤1.0

0.2-1.0

18-22

≤1.0

≤0.10

≤0.08

ZQCr17

2.0-3.2

≤1.0

0.2-1.0

13-18

≤1.0

≤0.10

≤0.08

 

 

Propertise and Microstructure:

 

  

ITEM

 

Designation

    Hardness(HRC)

 AK(J/cm2)

 

Microstructure

Time of

Falling

Balls        

Quenched state

Quenched state

Popuar Grade

  ZQCr10

  ≥58

  ≥50

≥2.3

 

M+C

≥12000

High Chromium Cast

Grinding

Balls

  ZQCr26

  ≥58

  ≥45

≥4.0

≥12000

  ZQCr20

  ≥58

  ≥45

≥3.5

≥12000

  ZQCr17

  ≥58

  ≥49

≥3.0

≥12000

 

 

 

       

 

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