Description
SILVER STEEL
This product is sold in cut lengths of 1000mm and various diameters 13mm, 15mm and 20mm.
Silver steel is common tool steel traditionally supplied as a centreless 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. The silver steel bar supplied by Barmond (Special Steels) Limited is BS-1407 material supplied in the drawn condition primarily for forging blades where the expense of ground material is not a pre-requisite.
Amongst other applications, it has been widely used to make such things as punches, engravers, 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.
The composition is defined by UK specification BS-1407, and is given below. In the annealed state it has a hardness of 27 HRC. It can be hardened to 64 HRC
Element |
BS-1407 Silver Steel |
||
Min |
Typical |
Max |
|
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% |
Phosphorus |
0 |
0.014% |
0.045% |
Sulphur |
0 |
0.018% |
0.045% |
Iron |
Balance |