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AWS ER80S-Ni3 vs. ACI-ASTM CA6NM Steel

Both AWS ER80S-Ni3 and ACI-ASTM CA6NM steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 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-Ni3 and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 630
850
Tensile Strength: Yield (Proof), MPa 530
620

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
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
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.5
Embodied Energy, MJ/kg 23
34
Embodied Water, L/kg 52
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 740
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.2 to 96.6
78.4 to 84.6
Manganese (Mn), % 0 to 1.3
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 3.0 to 3.8
3.5 to 4.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0