PST23F85
Cold work tool steel that makes surface hardening heat treatment available with flame.
Enhancing hardenabilty by adding Cr, Mn, and Si, while the amount C influences hardness.

PST23F85
Cold Molding
Appication:
Flame Hardening Tool Steel for Automobile Bumper, Blanking Dies, Froming Dies, Trimming Dies and Shear Blades
Chemical Composition:
: 0.80 - 0.90
: 0.80 - 1.20
: 0.70 - 1.10
: Max. 0.025
: Max. 0.025
C
Si
Mn
P
S
: 1.80 - 2.20
: 0.20 - 0.30
: 0.05 - 0.10
Cr
Mo
V