Download a pdf version of this data sheet for printing and future reference. (right click and select save to disk)
S1 Tool Steel (100MnCrW4)
Cold work steel with very good toughness, dimensionally stable, impact resistant, high hardening capacity.
Applications: Cold shear knives, paper and wood cutting knives, cutting tools for plates up to 10 mm, ejector pins, air hammers.
Colour Code
Yellow/Blue
Stocked Sizes
Condition of Delivery
Soft annealed to max. 229 HB
Related Specifications
Germany
DIN 1.2550
USA
AISI S1
Chemical Composition
%
Carbon
0.60
Tungsten
2.00
Chromium
1.00
Vanadium
0.15
Physical Properties
Thermal expansion coefficient
Thermal conductivity
Heat Treatment
Soft Annealing
Temperature
Cooling
Hardness
740 - 760oC
furnace
max 229 HB
Stress Relief Annealing
Temperature
Cooling
600 - 650oC
furnace
Hardening
Temperature
Cooling
Tempering
860 - 900oC
oil or hot bath
180 - 220oC
see tempering diagram
Thermal Cycle Diagram
Continuous Cooling Transformation Diagram (CCT)
Tempering Diagram
Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.