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AWS E3155 vs. EN 1.8550 Steel

Both AWS E3155 and EN 1.8550 steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 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 AWS E3155 and the bottom bar is EN 1.8550 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
73
Tensile Strength: Ultimate (UTS), MPa 770
1000

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
480
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.4
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.7
Embodied Energy, MJ/kg 110
23
Embodied Water, L/kg 300
67

Common Calculations

PREN (Pitting Resistance) 35
2.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
36
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 20
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.1
0.3 to 0.37
Chromium (Cr), % 20 to 22.5
1.5 to 1.8
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
94.4 to 96.3
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.5
0.15 to 0.25
Nickel (Ni), % 19 to 21
0.85 to 1.2
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 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Tungsten (W), % 2.0 to 3.0
0