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SAE-AISI T1 Steel vs. EN 1.4901 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4901 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 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 1.4901 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
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
740

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1810
1490
Melting Onset (Solidus), °C 1750
1450
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
26
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
11
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 130
40
Embodied Water, L/kg 90
89

Common Calculations

PREN (Pitting Resistance) 34
14
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
26
Strength to Weight: Bending, points 20 to 40
23
Thermal Diffusivity, mm2/s 5.2
6.9
Thermal Shock Resistance, points 23 to 64
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.65 to 0.8
0.070 to 0.13
Chromium (Cr), % 3.8 to 4.5
8.5 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
85.8 to 89.1
Manganese (Mn), % 0.1 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 17.3 to 18.8
1.5 to 2.0
Vanadium (V), % 0.9 to 1.3
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010