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ACI-ASTM CA28MWV Steel vs. AWS E80C-B8

Both ACI-ASTM CA28MWV steel and AWS E80C-B8 are iron alloys. They have a very high 95% of their average alloy composition in common. There are 28 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 ACI-ASTM CA28MWV steel and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
19
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 1080
620
Tensile Strength: Yield (Proof), MPa 870
540

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.1
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 100
89

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
740
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 30
21
Thermal Diffusivity, mm2/s 6.6
6.9
Thermal Shock Resistance, points 40
17

Alloy Composition


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Carbon (C), % 0.2 to 0.28
0 to 0.1
Chromium (Cr), % 11 to 12.5
8.0 to 10.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 81.4 to 85.8
85.5 to 90.6
Manganese (Mn), % 0.5 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0.8 to 1.2
Nickel (Ni), % 0.5 to 1.0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0 to 0.030
Residuals, % 0
0 to 0.5