Steel C Cr Co Mn Mo Ni P Si S W V C o m m e n t s
H-1* 0.15 14.-16. -- 2. .5-1.5 6.-8. .04 3.-4.5 .03 -- -- .1% N. Precipitation Hardened. Can’t rust*=Alt. source has different values. Cu = 0.1%
O-1 .85-1. .4-.6 -- 1.-1.4 -- 0.3 -- .5 -- -- .3 Tool Steel
A-2 1. 4.75-5.5 -- 1. .9-1.4 .3 -- .5 -- -- .15-.5 Forger favorite.
D-2 1.4-1.6 11.-13. -- .6 .7-1.2 .30 -- .6 -- -- 1.1 Non stainless tool steel. Cast dendriticD2 also available.
M-2 .95-1.05 3.75-4.50 -- .15-.4 4.75-6.5 .30 -- .20-.45 -- 5.-6.75 2.25-2.75 High speed drill steel. Very tough . Red heat strength.
W-2 .85-1.5 .15 -- .1-.4 .1 .2 -- .1-.4 -- .15 .15-.35 N/A
1095 .9-1.03 -- -- .3-.5 -- -- .04 -- .05 -- -- Used for Damascus
52100 .98-1.1 1.3-1.6 -- .25-.45 -- -- .025 .15-.3 .025 -- -- Ball bearing steel. Forger favorite.
420J2 .15 12.-14. -- 1. -- -- .04 1. .03 -- -- Laminate for brittle blades or alone.
440C .95-1.2 16.-18. -- 1. .75 -- .04 1. .03 -- -- 440A&440B have less Carbon
440XH 1.6 16. -- .5 .8 .35 -- 0.4 -- -- .45 Stainless D2.
AUS-6 .55-.65 13-14.5 -- 1. -- .49 .04 1. .03 -- .1-.25 N/A
AUS-10 .95-1.1 13-14.5 -- .5 .1-.31 .49 .04 1. .03 -- .1-.27 AUS-8(C=.7-.75) with more C
GIN-1 .9 15.5 -- .6 .3 -- .02 0.37 .03 -- -- Also known as G2
ATS-34 1.05 14. -- .4 4. -- .03 .35 .02 -- -- Great toughness. Good knife steel.
154CM 1.05 14. -- .5 4. -- -- .3 -- -- -- Crucible Steel clone of ATS-34
ATS-55 1. 14. .4 .5 .6 -- -- .4 -- -- -- Has 0.2% Copper(Cu) also
VG-10 .95-1.05 14.5-15.5 1.3-1.5 .5 .9-1.2 -- .03 .6 -- -- .1-.3 Co magnifies alloy properties.

One of best stainless IMO.

BG-42 1.15 14.5 -- .5 4. -- -- .3 -- -- 1.2 Hard to work. Top non CPM steel
X-15TN .42 15.55 -- .46 1.7 .3 .017 .23 .002 -- .29 N/A
CPM-S30V 1.45 14. -- -- 2. -- -- -- -- -- 4. Made for blades. Tough. Rc60

CPM-S60V

(aka 440V)

2.15 17. -- .4 .4 -- -- .4 -- -- 5.5 Outperforms higher hardness regular steels. Rc 56-58
CPM-S90V

(aka 420V)

2.3 14. -- -- 1. -- -- -- -- -- 9. 24% carbides after heat treat. Better corrosion than 440C. Superb wear resistance. Good toughness.
CPM-S125V 3.3 14.5 -- -- 2.5 -- -- -- -- -- 12.5 Stainless CPM-15V
CPM-9V 1.8 5.35 -- .5 1.3 -- -- -- -- -- 9. N/A
CPM-10V 2.45 5.25 -- .5 1.3 -- -- .9 .07 -- 9.75 Toughness equals M2 & D2. One of highest wear resistant steels
CPM-15V 3.4 5.25 -- -- 1.3 -- -- -- -- -- 14.5 Ultimate edge holding (wear resist)
CPM-3V .8 7.5 -- -- 1.3 -- -- -- -- -- 2.75 Good toughness, excellent edge hold
20-CV

(DURATECH)

1.9 20. -- .3 1. -- -- .3 -- .6 4. Timken/Latrobe CPM high wear/corrosion resistance steel
ZDP-189 3. 20. -- -- -- -- -- -- -- -- -- CPM w/Rc67. Used as core of laminated blades.
MPL-1 3.75 24. -- .5 3. -- .015 -- .015 -- 9. Better corrosion resist than S60V
CPM VIM

CRU-20

1.35 3.75 -- .35 10.5 -- -- .25 -- 6.25 2.0 Rc67. Bearing steel. Good corrosion resistance.
Dendritic

Cobalt

Some 27. 52.1-60 -- Some Some -- Some -- Some -- David Boye cast (dendritic).

Impervious to rust.

Some Fe

Talonite 6BH 9-1.4 32. 49.6-52. 2. 1.5 3. -- 2. -- 3.5-5.5 -- Stellite6BT w/hot roll & age harden
Steel C Cr Co Mn Mo Ni P Si S W V N/A
Provides-- Carbide

former

Corrosion,

carbides

Alloy-Enhancer

Slippery.

Work-ability

Toughness,

antipit

Strength

Anti-rust

Gives

Purer

steel

De-oxidize &

degasify

Mach-ability

Hot

Strength

carbides

Hardest

Carbide

former

N-takes place of C for antirust

As in H1 steel.

Cu resists corrosion