SAE-AISI S1 (T41901) Shock-Resisting Steel
Tool Steels
Property Overview
Density8g/cm³
Elastic Modulus190GPa
Tensile Strength690 to 1840MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.4 to 0.55%
CR
1.0 to 1.8%
NI
0 to 0.3%
MO
0 to 0.5%
MN
0.1 to 0.4%
SI
0.15 to 1.2%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
0.15 to 0.3%
W
1.5 to 3.0%
FE
91.6 to 96.7%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
690 to 1840 MPa
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Melting Completion (Liquidus)
1500 °C
Melting Onset (Solidus)
1450 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
41 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
21 to 56 points
Electrical
Electrical Conductivity: Equal Volume
7.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
PREN (Pitting Resistance)
5.9
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
24 to 64 points
Strength to Weight: Bending
22 to 42 points
Environmental
Base Metal Price
8.0 % relative
Embodied Carbon
2.6 kg CO 2 /kg material
Embodied Energy
37 MJ/kg
Embodied Energy
37 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
56 L/kg
Embodied Water
56 L/kg 6.7 gal/lb
Registered Designations & Aliases
SAE-AISI S1 (T41901) Shock-Resisting SteelT41901
Standards
ASTM A681 ASTM A681: Standard Specification for Tool Steels Alloy
SAE J437 SAE J437: Selection and Heat Treatment of Tool and Die Steels
SAE J437 SAE J437: Selection and Heat Treatment of Tool and Die Steels ASTM A681: Standard Specification for Tool Steels Alloy Tool Steels, 5th ed., George Roberts et al., 1998 Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016