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AWS E240 vs. ACI-ASTM CA28MWV Steel

Both AWS E240 and ACI-ASTM CA28MWV steel are iron alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770
1080

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 22
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
38
Strength to Weight: Bending, points 24
30
Thermal Diffusivity, mm2/s 3.9
6.6
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.28
Chromium (Cr), % 17 to 19
11 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
81.4 to 85.8
Manganese (Mn), % 10.5 to 13.5
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.3
Nickel (Ni), % 4.0 to 6.0
0.5 to 1.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3