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Our stainless steel balls come in two varieties: hardened, and non-hardened.
Each variety has its own properties and applications, making it
essential to pick the right one for your specific needs.
Hardened stainless steel balls (SS420 SS440C ) are generally made using Martensitic processes,
which adds carbon to the material and makes it tougher and harder wearing.
They are also usually provided in a passivated condition, which
adds an extra micro-coating to make them even more durable.
These hardened balls tend to be used as industrial bearings, in specialist pumps, pens,
cigarette lighters, and other situations where friction is
involved.
Non-hardened stainless steel balls (SS304 SS316L SS316) tend to be made via Austenitic processes,
which add nickel or copper to the material.
These materials are often more workable than hardened versions, but have less corrosion resistance,
and they are commonly found in electronic components.
They also come in Carpenter varieties, with excellent resistance to
sulphuric acid, as well as
Nitronic versions that are resistant to magnetization.