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SAE-AISI T1 Steel vs. EN 1.4020 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4020 stainless steel are iron alloys. They have 72% 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 EN 1.4020 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
770 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1810
1390
Melting Onset (Solidus), °C 1750
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
11
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.5
Embodied Energy, MJ/kg 130
37
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 34
23
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
28 to 41
Strength to Weight: Bending, points 20 to 40
25 to 32
Thermal Shock Resistance, points 23 to 64
16 to 23

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
16.5 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
62.8 to 71.8
Manganese (Mn), % 0.1 to 0.4
11 to 14
Nickel (Ni), % 0 to 0.3
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
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 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0