CPM S45VN

CPM S45VN is made by Crucible and consists of:

Carbon

Chromium

Cobalt

Copper

Manganese

Molybdenium

Nickel

Niobium

Nitrogen

Phosphorus

Silicon

Sulfur

Tungsten

Vanadium

1.48

16.00

/

/

/

2.00

/

0.50

0.15

/

/

/

/

3.00

Produced by Crucible, this is a variation of their S30V and S35VN steels.

There is a great write-up from Spyderco forum member Larrin on his Knife Steel Nerds website.