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AWS E3155 vs. SAE-AISI 1090 Steel

Both AWS E3155 and SAE-AISI 1090 steel are iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AWS E3155 and the bottom bar is SAE-AISI 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 770
790 to 950

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
50
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 300
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
28 to 34
Strength to Weight: Bending, points 22
24 to 27
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 20
25 to 31

Alloy Composition

Carbon (C), % 0 to 0.1
0.85 to 1.0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
98 to 98.6
Manganese (Mn), % 1.0 to 2.5
0.6 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 2.0 to 3.0
0