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AWS E3155 vs. AISI W1 Steel

Both AWS E3155 and AISI W1 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 AISI W1 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
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 310
250
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
48
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.2
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.6
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 300
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21 to 83
Strength to Weight: Bending, points 22
20 to 50
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 20
22 to 85

Alloy Composition

Carbon (C), % 0 to 0.1
0.7 to 1.5
Chromium (Cr), % 20 to 22.5
0 to 0.15
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 23.3 to 36.3
96.4 to 98.9
Manganese (Mn), % 1.0 to 2.5
0.35 to 0.73
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.1
Nickel (Ni), % 19 to 21
0 to 0.2
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0 to 0.15
Vanadium (V), % 0
0 to 0.1