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SAE-AISI T1 Steel vs. S41425 Stainless Steel

Both SAE-AISI T1 steel and S41425 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
920

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1750
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.2
2.9
Embodied Energy, MJ/kg 130
40
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 34
21
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
33
Strength to Weight: Bending, points 20 to 40
27
Thermal Diffusivity, mm2/s 5.2
4.4
Thermal Shock Resistance, points 23 to 64
33

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
12 to 15
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 73.2 to 77.2
74 to 81.9
Manganese (Mn), % 0.1 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.3
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0