420 stainless steel balls have fair-to-good corrosion resistance and good material strength.
They resist corrosion from alcohol, ammonia, food environments, fresh water, many petroleum products and organic materials and some mild acid environments.
They are found in bearings, valves, lighters and writing instruments.
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CHEMICAL COMPOSITION |
|
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CHROMIUM |
12%-14% |
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CARBON |
.15% MAX. |
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MANGANESE |
1% MAX. |
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SILICON |
1% MAX. |
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PHOSHOROUS |
.040 % MAX. |
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SULPHUR |
.03% MAX. |
420 Stainless Steel Beads FAQ
Q: Whats smallest size of 420 Ball you can produce?
A: Our smallest size is 0.3mm.
Q: Whats grade you can produce?
A: We usually produce G10 G16 G20 G40 G100 G200 G500 G1000.
Q: Do you have ISO certificate?
A: Yes we have ISO9001 certificates.
Q: Whats size you are able to produce?
A: From 0.5mm to 60mm.
Q: Are you provide free samples?
A: Yes ,we are able to send free samples for your test first.
Q: Are you factory or a trade company?
A: We are a professional solid high precision plastic ball factory more than 25 years.
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