Learn about high speed steel (HSS), its benefits, advantages, properties, and more in this comprehensive overview.
Griggs Steel sells PM T15, a tungsten-type high-speed steel with high vanadium. It’s known for its exceptional red hardness, making it ideal for high-temperature applications, and its superior wear resistance due to the added vanadium. In powder form, PM T15 also offers excellent impact toughness and bend strength compared to traditional T15 steel and can provide longer cutting tool life compared to lower-alloyed high-speed steels like M1, M2, and M7.
Other Known Names: 1.3202, ASP 2015, CPM T15®, SKH 10, HS 12-0-5-5, S399
Griggs Steel Color Code: Purple
Broaches, End Mills, Form Dies, Cutting Tools, Punches, Taps, Hobs
| Maximum | Typical | ||||||
|---|---|---|---|---|---|---|---|
| Carbon | Chromium | Tungsten | Molybdenum | Vanadium | Cobalt | Annealed | Tempered |
| C | Cr | W | Mo | V | Co | Hb | HrC |
| 1.6 | 4 | 12.25 | - | 4.9 | 5 | 275 | 66 |
| Density | Modulus Of Elasticity | Specific Gravity | Machinability |
|---|---|---|---|
| 0.296 lb/in3 (8193 kg/m3) | 30 x 106 psi (207 GPa) | 7.97 | 35-40% of a 1% carbon steel |
| Shape | Diameter/Size |
|---|---|
| Round | .130″ |
| Round | .203″ |
| Round | .265″ |
| Round | .328″ |
| Round | .335″ |
| Round | .335″ |
| Round | .375″ |
| Round | .390″ |
| Round | .413″ |
| Round | .437″ |
| Round | .453″ |
| Round | .468″ |
| Round | .515″ |
| Round | .578″ |
| Round | .625″ |
| Round | .640″ |
| Round | .718″ |
| Round | .765″ |
| Round | .8125″ |
| Round | .875″ |
| Round | .890″ |
| Round | 1.015″ |
| Round | 1.062″ |
| Round | 1.140″ |
| Round | 1.265″ |
| Round | 1.328″ |
| Round | 1.390″ |
| Round | 1.515″ |
| Round | 1.531″ |
| Round | 1.578″ |
| Round | 1.640″ |
| Round | 1.770″ |
| Round | 1.781″ |
| Round | 1.890″ |
| Round | 2.020″ |
| Round | 2.0625″ |
| Round | 2.280″ |
| Round | 2.390″ |
| Round | 2.531″ |
| Round | 2.780″ |
| Round | 3.020″ |
| Round | 3.0625″ |
| Round | 3.531″ |
| Round | 3.562″ |
| Round | 4.0625″ |
| Round | 5.0625″ |
| Round | 5.5625″ |
| Round | 6.0625″ |
| Round | 6.515″ |
| Round | 7.125″ |
| Shape | Diameter/Size |
|---|---|
| Plate | .157″ |
| Plate | .218″ |
| Plate | .281″ |
| Plate | .409″ |
| Plate | .531″ |
| Plate | .656″ |
| Plate | .780″ |
| Plate | .905″ |
| Plate | 1.031″ |
| Plate | 1.156″ |
| Plate | 1.281″ |
| Plate | 1.405″ |
| Plate | 1.531″ |
| Plate | 1.656″ |
| Plate | 1.781″ |
| Plate | 2.031″ |
| Shape | Diameter/Size |
|---|---|
| Flats | .125″ x .375″ |
| Flats | .15625″ x 2.375″ |
| Flats | .1875″ x 2.0625″ |
| Flats | .218″ x .593″ |
| Flats | .21875″ x 1″ |
| Flats | .9375″ x .8125″ |
| Flats | .343″ x .531″ |
| Flats | .53125″ x .78125″ |
| Flats | .53125″ x 1.53125″ |
| Flats | .5625″ x .5625″ |
| Flats | .5625″ x 1.3125″ |
| Flats | .6875″ x 1.125″ |
| Flats | .6875″ x 1.562″ |
| Flats | .6875″ x 1.6875″ |
| Flats | .6875″ x 1.8125″ |
| Flats | .6875″ x 1.9375″ |
| Flats | .6875″ x 2.062″ |
| Flats | .78125″ x 1.53125″ |
| Flats | .9375″ x 1.625″ |
| Flats | 1.0625″ x 1.0625″ |
| Flats | 1.0625″ x 1.3125″ |
| Flats | 1.0625″ x 1.5625″ |
| Flats | 1.0625″ x 2.0625″ |
| Flats | 1.3125″ x 2.4375″ |
| Flats | 1.375″ x 1.875″ |
| Flats | 1.375″ x 2.625″ |
| Flats | 1.5625″ x 2.125″ |
| Flats | 1.5625″ x 2.625″ |
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