Elmax

Elmax is a steel made by Böhler Uddeholm and consists of:

Carbon

Chromium

Cobalt

Copper

Manganese

Molybdenium

Nickel

Nitrogen

Phosphorus

Silicon

Sulfur

Tungsten

Vanadium

1.70

18.00

/

/

0.30

1.00

/

/

/

0.80

/

/

3.00

Spyderco also refers to Elmax as Elmax PM 170 in their Edge-U-Cation page.

Some information from the Böhler Uddeholm website:

Uddeholm Elmax is a high chromium-vanadium-molybdenum-alloyed steel with the following characteristics:
• High wear resistance
• High compressive strength
• Corrosion resistant
• Very good dimensional stability

High wear resistance is normally connected to low corrosion resistance and vice versa. In Uddeholm Elmax it has however been able to achieve this unique combination of properties by a powder-metallurgy-based production.

A PDF is also available from Böhler Uddeholm with additional data.