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AWS ER80S-Ni2 vs. EN 1.7701 Steel

Both AWS ER80S-Ni2 and EN 1.7701 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-Ni2 and the bottom bar is EN 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 620
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 260
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 52
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 22
26
Embodied Water, L/kg 51
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
24 to 71
Strength to Weight: Bending, points 21
22 to 45
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 18
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.12
0.48 to 0.56
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 94.2 to 97.6
96.2 to 97.7
Manganese (Mn), % 0 to 1.3
0.7 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 2.0 to 2.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.4 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2
Residuals, % 0 to 0.5
0