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SAE-AISI T1 Steel vs. N08904 Stainless Steel

Both SAE-AISI T1 steel and N08904 stainless steel are iron alloys. They have 51% 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 N08904 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
79
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
540

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1750
1390
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
32
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 8.2
5.8
Embodied Energy, MJ/kg 130
79
Embodied Water, L/kg 90
200

Common Calculations

PREN (Pitting Resistance) 34
37
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
18
Thermal Diffusivity, mm2/s 5.2
3.1
Thermal Shock Resistance, points 23 to 64
12

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
19 to 23
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 73.2 to 77.2
38.8 to 53
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0