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SAE-AISI T1 Steel vs. N08028 Stainless Steel

Both SAE-AISI T1 steel and N08028 stainless steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is N08028 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
80
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
570

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1750
1370
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
37
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 8.2
6.4
Embodied Energy, MJ/kg 130
89
Embodied Water, L/kg 90
240

Common Calculations

PREN (Pitting Resistance) 34
39
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
19
Strength to Weight: Bending, points 20 to 40
19
Thermal Diffusivity, mm2/s 5.2
3.2
Thermal Shock Resistance, points 23 to 64
12

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
26 to 28
Copper (Cu), % 0 to 0.25
0.6 to 1.4
Iron (Fe), % 73.2 to 77.2
29 to 40.4
Manganese (Mn), % 0.1 to 0.4
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
30 to 34
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 1.0
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