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EN 1.7703 Steel vs. AWS E80C-B8

Both EN 1.7703 steel and AWS E80C-B8 are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 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 EN 1.7703 steel and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 670 to 690
620
Tensile Strength: Yield (Proof), MPa 460 to 500
540

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.1
Embodied Energy, MJ/kg 35
28
Embodied Water, L/kg 61
89

Common Calculations

PREN (Pitting Resistance) 5.6
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 19 to 20
17

Alloy Composition

Carbon (C), % 0.11 to 0.15
0 to 0.1
Chromium (Cr), % 2.0 to 2.5
8.0 to 10.5
Copper (Cu), % 0 to 0.2
0 to 0.35
Iron (Fe), % 94.6 to 96.4
85.5 to 90.6
Manganese (Mn), % 0.3 to 0.6
0.4 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0.8 to 1.2
Nickel (Ni), % 0 to 0.25
0 to 0.2
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.1
0.25 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0 to 0.030
Residuals, % 0
0 to 0.5