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AWS ER80S-Ni3 vs. ACI-ASTM CD3MCuN Steel

Both AWS ER80S-Ni3 and ACI-ASTM CD3MCuN steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 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 ER80S-Ni3 and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 630
790
Tensile Strength: Yield (Proof), MPa 530
500

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.9
Embodied Energy, MJ/kg 23
54
Embodied Water, L/kg 52
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
200
Resilience: Unit (Modulus of Resilience), kJ/m3 740
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 0
24 to 26.7
Copper (Cu), % 0 to 0.35
1.4 to 1.9
Iron (Fe), % 93.2 to 96.6
58.2 to 65.9
Manganese (Mn), % 0 to 1.3
0 to 1.2
Molybdenum (Mo), % 0
2.9 to 3.8
Nickel (Ni), % 3.0 to 3.8
5.6 to 6.7
Nitrogen (N), % 0
0.22 to 0.33
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.4 to 0.8
0 to 1.1
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0