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ACI-ASTM CA6NM Steel vs. AWS ER120S-1

Both ACI-ASTM CA6NM steel and AWS ER120S-1 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 ACI-ASTM CA6NM steel and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
930
Tensile Strength: Yield (Proof), MPa 620
830

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.9
Embodied Energy, MJ/kg 34
25
Embodied Water, L/kg 110
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
1850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
33
Strength to Weight: Bending, points 26
27
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 31
27

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 11.5 to 14
0 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 78.4 to 84.6
92.4 to 96.1
Manganese (Mn), % 0 to 1.0
1.4 to 1.8
Molybdenum (Mo), % 0.4 to 1.0
0.3 to 0.65
Nickel (Ni), % 3.5 to 4.5
2.0 to 2.8
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5