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AWS E309 vs. ACI-ASTM CA28MWV Steel

Both AWS E309 and ACI-ASTM CA28MWV steel 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 AWS E309 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, % 34
11
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 620
1080

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 25
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
38
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 16
40

Alloy Composition

Carbon (C), % 0 to 0.15
0.2 to 0.28
Chromium (Cr), % 22 to 25
11 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
81.4 to 85.8
Manganese (Mn), % 0.5 to 2.5
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.3
Nickel (Ni), % 12 to 14
0.5 to 1.0
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