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Tel: +86 21 31145131
Mobile: +86 13651847558
E-mail: sales@sarimetaltreat.com
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Products > Blasting Abrasive > > Polishing steel ball stainless steel balls
Product name : Polishing steel ball stainless steel balls
Name : Polishing steel ball stainless steel balls
Size/Shape : 1mm-120mm
Material/grade : SSB
Hardness/Density : 25-30HRC,48-54HRC OR OEM
Package : 25kgs/bag,1000kgs/ton bag/pallet
Delivery : 15-20days
Hot sale : 1mm,5mm,10mm
Application : polishing,polished,bearing,hardware,corrosion
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Details:
 Polishing steel ball, stainless steel balls

Steel Balls,stainless steel balls, are case hardened which has a carburized case and a soft core. This is an excellent base for Nickel or Chrome plating for sensors and cosmetics application. This design lends resistance to shock loads and surface wear while providing good load carrying ability. Balls are used in applications where there are only moderate loads and slow rotating parts.

Polished Steel ball

 Chemical composition
C
0.95% -- 1.20%
Si
0.15% -- 0.35%
Mn
0.50% max.
P
0.025% max.
S
0.025% max.
Cr
1.30 -1.60% /1.0-20%
Hardness:
HRC25-30(for decoration)     
HRC48-54( for polishing)
Size Available:
1-120cm
Grade Available:
G10~1000G
Material Conversion:
ASTM/AISI
DIN
JIS
1085
CK85
SUP3
1045
CK45
S45C
Feature:

Advantage of being through hardened. Cheaper than high carbon chromed alloy steel.

Application:

Take high load and provide longer life times, applications is the cycle industry, food industry, shot blasting, polishing, bearing etc

 
Metric sizes

0.35mm 0.5mm 0.8mm 1mm 1.2mm 1.5mm 1.588mm 1.7mm 1.8mm 1.9mm 2mm 2.381mm 2.5mm 3mm 3.175mm 3.5mm 3.96mm 4mm 4.76mm 5mm 5.556mm 6mm 6.35mm 6.8mm 7mm 7.144mm 7.938mm 8mm 8.5mm 8.7mm 9mm 9.525mm 10mm 11mm 12mm 12.7mm 13.5mm 14mm 14.288mm 15mm 15.875mm 17.4mm 18mm 19.05mm  20mm 22mm 25mm 25.4mm 30mm 35mm 38mm 40mm 45mm 50mm 50.8mm 100mm 150mm 200mm

 
Size in inches

1/32  1/16  3/32  1/8  5/32  3/16  7/32  1/4  9/32  5/16  11/32  3/8  7/16  1/2  17/32  9/16  5/8  11/16  3/4  7/8  1  1-1/16  1-1/8  1-1/4  1-5/16  1-3/8  1-1/2  1-3/4  2  2-1/4  2-1/2  2-3/4  3  4  6  8



Manufacture process

Our products from raw materials to finished products would take about nine steps:

1. Raw material: a ball starts in wire or rod form.

2. Heading: In the first step, heading machines cut wire into short lengths and form it into spherical shapes between dies.

3. Flashing: A process that gives a ball blank a rough finish and removes the excess material around the ball.

4. Heat-treating: Harden the balls by subjecting a metal or alloy to controlled heating and cooling to improve hardness and other properties.

5. Hard Grinding: Slow, meticulous grinding assures proper sizing and sphericity.

6. Lapping: This process has two steps, first is simple lapping, then is fine grinding.Both of them is to polish the balls to a shiny finish and to the exact size required by ISO 3290 Grade.

7. Clean: First, clean the surface of balls; then use the dehydrated oil to dry off the balls; the last step is applying antirust oil for the balls. When these steps have done, each ball will be selected by machine or naked eye to make sure every ball is perfect.

8. Inspection: Each batch of products will accept measurement and inspection by the special inspectors, to check whether the products consistent with the customer's requirement.

9. Packing: The balls are packed in anti-oxidant or oiled paper, in cardboard boxes of standard size with fixed quantities, finally in pallet or wooden cases. Packing will be Sea & Air worthy. Special packaging can be provided on request.



Any more details, welcome contact with us, we will reply to you soon.


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