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AWS ER80S-Ni3 vs. ACI-ASTM CA40 Steel

Both AWS ER80S-Ni3 and ACI-ASTM CA40 steel are iron alloys. They have 87% 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 ER80S-Ni3 and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
10
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 630
910
Tensile Strength: Yield (Proof), MPa 530
860

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 23
28
Embodied Water, L/kg 52
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
89
Resilience: Unit (Modulus of Resilience), kJ/m3 740
1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
33
Strength to Weight: Bending, points 21
27
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 19
33

Alloy Composition

Carbon (C), % 0 to 0.12
0.2 to 0.4
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.2 to 96.6
81.5 to 88.3
Manganese (Mn), % 0 to 1.3
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.0 to 3.8
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.040
Residuals, % 0 to 0.5
0