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AWS E3155 vs. EN 1.7380 Steel

Both AWS E3155 and EN 1.7380 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 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
19 to 20
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 770
540 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.7
1.8
Embodied Energy, MJ/kg 110
23
Embodied Water, L/kg 300
59

Common Calculations

PREN (Pitting Resistance) 35
5.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
19 to 20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 20
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.1
0.080 to 0.14
Chromium (Cr), % 20 to 22.5
2.0 to 2.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 23.3 to 36.3
94.6 to 96.6
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.1
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0