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AWS E80C-B8 vs. EN 1.7725 Steel

Both AWS E80C-B8 and EN 1.7725 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 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 E80C-B8 and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 620
830 to 1000
Tensile Strength: Yield (Proof), MPa 540
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.8
Embodied Energy, MJ/kg 28
24
Embodied Water, L/kg 89
54

Common Calculations

PREN (Pitting Resistance) 13
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 740
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29 to 35
Strength to Weight: Bending, points 21
25 to 28
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 17
24 to 29

Alloy Composition

Carbon (C), % 0 to 0.1
0.27 to 0.34
Chromium (Cr), % 8.0 to 10.5
1.3 to 1.7
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 85.5 to 90.6
95.7 to 97.5
Manganese (Mn), % 0.4 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0.3 to 0.5
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 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0.050 to 0.15
Residuals, % 0 to 0.5
0