Dongguan Tangxia Shuangxin Hardware Products Factory
Main products:Screw, Spring, Shafts, Stamping parts, Auto lathe parts
Products
Contact Us
  • Contact Person : Mr. Long Dragon
  • Company Name : Dongguan Tangxia Shuangxin Hardware Products Factory
  • Tel : 86-769-87984108
  • Fax : 86-769-87987109
  • Address : Guangdong,Dongguan,No.7 Qinghu Road,Qinghutou,Tangxia Town,Dongguan City
  • Country/Region : China
  • Zip : 523710

Steel ball ,grinding media stell ball

Steel ball ,grinding media stell ball
Product Detailed
1)size:12-130mm 2)ISO9001:2008 certificate 3)CIF price 0.01-1 usd 4)MOQ:10000 pieces 5)Delivery time :15 days

Specification

1.our main products

  high chrome alloyed cast grinding ball

  low  chrome alloyed cast grinding ball

  middle chrome alloyed cast gringding ball

   high chrome alloyed cast gringding bar

   

2.Dimation:

  cast grinding ball:  12mm ~130mm

3.Hardness

  middle chrome: Surface HRC:≥48

4.Applied field

    Cement plants,mines ,power station.chemical industry.

5.Chemical  composition

 

 

Item

 

 

Chemical  composition

C

Si

Mn

Cr

Mo

Cu

P

S

Low chrome cast grinding ball

2.0~3.5

≤1.2

≤1.5

0.8~2.0

≤1.0

0.2~0.5

≤0.15

≤0.15

Middle chrome cast grinding ball

2.0~3.3

≤1.2

≤1.8

2.0~3.5

≤1.5

0.2~1.0

≤0.15

≤0.15

High chrome cast grinding ball

2.0~3.3

≤1.0

≤2.5

10~18

≤1.0

0.2~1.5

≤0.10

≤0.10

Special high chrome cast grinding ball

2.0~3.3

≤1.0

≤2.5

22~25

≤2.0

0.2~1.5

≤0.10

≤0.10

 6.Mechanical properties and microstructure examination

ITEM

Mechanical properties

microstructure

HRC

Time of falling balls

Low chrome cast grinding ball

≥45

≥8000

P+C

Middle chrome cast grinding ball

≥48

≥12000

P+C

High chrome cast grinding ball

≥55

≥15000

M+C

Special high chrome cast grinding ball

≥60

≥22000

M+C

7,

 process

Good material→chemical composition analysis of material→precise control of the melting and casting→Testing before casting in order to confire of elements→Casting in molds→The first product inspection→Polishing balls→Visual inspection→Automatic oil quenching→Tempering→Test chrome,C,HRC,and impact value→Stocking

If

We can also make the spring ,screw , CNC lathe parts ,stamping parts ect hardware ,our product have passed the ISO 9001:2008 and the Third party BV certificate ,we sincerely hope to cooperate with you .looking forward your inquiry .thank you so much .

Steel ball ,grinding media stell ball



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