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SAE-AISI T1 Steel vs. S21460 Stainless Steel

Both SAE-AISI T1 steel and S21460 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is S21460 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
830

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Melting Completion (Liquidus), °C 1810
1380
Melting Onset (Solidus), °C 1750
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 45
14
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 34
25
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
30
Strength to Weight: Bending, points 20 to 40
26
Thermal Shock Resistance, points 23 to 64
17

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.12
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
57.3 to 63.7
Manganese (Mn), % 0.1 to 0.4
14 to 16
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.060
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