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Silver steel

Type of tool steel

Silver steel is common tool steel that is supplied as a centerless ground round bar (with tolerances similar to that of drill bit). The name comes from the highly polished appearance of the rods; there is no silver in the alloy.

Characteristics

In the annealed state it has a hardness of 27 HRC. It can be hardened to 64 HRC.

Composition

The composition is defined by the British Standard BS-1407.

The European/Werkstoff equivalent is 1.2210 / 115CrV3, which also includes some vanadium.

Element	BS-1407 silver steel	DIN 1.2210 / 115CrV3	Min
Carbon	0.95%	1.13%	1.25%
Chromium	0.35%	0.43%	0.45%
Manganese	0.25%	0.37%	0.45%
Silicon	0	0.22%	0.40%
Vanadium		0.07%	0.12%
Phosphorus	0	0.014%	0.045%
Sulphur	0	0.018%	0.045%
Iron	Balance	Balance

Applications

Amongst other applications, it has been widely used to make such things as punches, engravers, and screwdrivers. Sheffield silver steel is used in France as a blade steel for straight razors. In Finland, German silver steel was and still is widely used for Puukko knives.

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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