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ACI-ASTM CF3 Steel vs. AWS E308LMo

Both ACI-ASTM CF3 steel and AWS E308LMo are iron alloys. They have a very high 96% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is AWS E308LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 60
40
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 510
580

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 20
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 4.3
4.2
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 17 to 21
18 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 62.9 to 75
59.6 to 70.5
Manganese (Mn), % 0 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 8.0 to 12
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030