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AWS E90C-B3 vs. EN 1.7231 Steel

Both AWS E90C-B3 and EN 1.7231 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E90C-B3 and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11 to 12
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 710
790 to 930
Tensile Strength: Yield (Proof), MPa 600
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 59
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 970
870 to 1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
28 to 33
Strength to Weight: Bending, points 23
24 to 27
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 21
23 to 27

Alloy Composition

Carbon (C), % 0.050 to 0.12
0.38 to 0.45
Chromium (Cr), % 2.0 to 2.5
0.8 to 1.2
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.4 to 96.4
96.4 to 98.1
Manganese (Mn), % 0.4 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.15 to 0.3
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.25 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0