AISI#

Description of Steel

(-120ºF)

(-310ºF)

D-2

High carbon/chromium die steel

316%

817%

A-2

Chromium cold work die steel

204%

560%

S-7

Silicon tool steel

241%

503%

52100

Bearing steel

195%

420%

O-1

Oil hardening cold work die steel

221%

418%

A-10

Graphite tool steel

230%

264%

M-2

Molybdenum high speed steel

145%

225%

T-1

Tungsten high steel steel

117%

203%

CPM-10V

Alloy steel

141%

176%

P-20

Mold steel

94%

131%

440

Martensitic stainless

123%

130%

430

Ferrite stainless

128%

121%

303

Austenitic stainless

116%

119%

8620

Nickel-chromium-moly steel

112%

104%

C1020

Carbon steel

97%

98%

AQS

Graphitic cast iron

96%

97%

A-6

Manganese air work cold die steel

73%

97%

T-2

Tungsten high speed steel

72%

92%