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ACI-ASTM CA28MWV Steel vs. AWS E309

Both ACI-ASTM CA28MWV steel and AWS E309 are iron alloys. They have 75% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 E309.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1080
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
25
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
4.0
Thermal Shock Resistance, points 40
16

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.15
Chromium (Cr), % 11 to 12.5
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 81.4 to 85.8
55.8 to 65.5
Manganese (Mn), % 0.5 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.75
Nickel (Ni), % 0.5 to 1.0
12 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0