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SAE-AISI T1 Steel vs. S20910 Stainless Steel

Both SAE-AISI T1 steel and S20910 stainless steel are iron alloys. They have 62% of their average alloy composition in common. 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 S20910 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
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1750
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
22
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
4.8
Embodied Energy, MJ/kg 130
68
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 34
34
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
28 to 33
Strength to Weight: Bending, points 20 to 40
24 to 27
Thermal Diffusivity, mm2/s 5.2
3.6
Thermal Shock Resistance, points 23 to 64
17 to 21

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
20.5 to 23.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
52.1 to 62.1
Manganese (Mn), % 0.1 to 0.4
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.3
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 0.75
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
0.1 to 0.3

Comparable Variants