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AWS E3155 vs. SAE-AISI S4 Steel

Both AWS E3155 and SAE-AISI S4 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 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is SAE-AISI S4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 770
670 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
44
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.2
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.7
2.0
Embodied Energy, MJ/kg 110
29
Embodied Water, L/kg 300
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
24 to 77
Strength to Weight: Bending, points 22
22 to 48
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 20
20 to 65

Alloy Composition

Carbon (C), % 0 to 0.1
0.5 to 0.65
Chromium (Cr), % 20 to 22.5
0.1 to 0.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
95.2 to 96.9
Manganese (Mn), % 1.0 to 2.5
0.6 to 1.0
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 0.030
Silicon (Si), % 0 to 1.0
1.8 to 2.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0.15 to 0.35