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SAE-AISI T1 Steel vs. EN 1.4729 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4729 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 18 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 1.4729 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

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1750
1380
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 20
24
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 45
7.5
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.1
Embodied Energy, MJ/kg 130
29
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 34
14
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 5.2
6.5

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.3 to 0.5
Chromium (Cr), % 3.8 to 4.5
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
80.4 to 86.7
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
1.0 to 2.5
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