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SAE-AISI T1 Steel vs. S38100 Stainless Steel

Both SAE-AISI T1 steel and S38100 stainless steel are iron alloys. They have 66% 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 S38100 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
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
580

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1810
1400
Melting Onset (Solidus), °C 1750
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
20
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.8
Embodied Energy, MJ/kg 130
54
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 34
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
21
Strength to Weight: Bending, points 20 to 40
20
Thermal Diffusivity, mm2/s 5.2
4.0
Thermal Shock Resistance, points 23 to 64
13

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
57.9 to 64
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Nickel (Ni), % 0 to 0.3
17.5 to 18.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0