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SAE-AISI T1 Steel vs. EN 1.4347 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4347 stainless steel are iron alloys. They have 71% 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 EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
660

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1750
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
16
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 90
170

Common Calculations

PREN (Pitting Resistance) 34
28
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
24
Strength to Weight: Bending, points 20 to 40
22
Thermal Diffusivity, mm2/s 5.2
4.0
Thermal Shock Resistance, points 23 to 64
19

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
25 to 27
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
62.2 to 69.4
Manganese (Mn), % 0.1 to 0.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0