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SAE-AISI T1 Steel vs. S45503 Stainless Steel

Both SAE-AISI T1 steel and S45503 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 20 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 S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1750
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
15
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.2
3.4
Embodied Energy, MJ/kg 130
48
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 34
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
57 to 65
Strength to Weight: Bending, points 20 to 40
39 to 43
Thermal Shock Resistance, points 23 to 64
56 to 64

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.010
Chromium (Cr), % 3.8 to 4.5
11 to 12.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 73.2 to 77.2
72.4 to 78.9
Manganese (Mn), % 0.1 to 0.4
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.2 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0