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AWS E383 vs. ACI-ASTM CF3MN Steel

Both AWS E383 and ACI-ASTM CF3MN steel are iron alloys. They have 68% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 580
580

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.9
Embodied Energy, MJ/kg 89
53
Embodied Water, L/kg 240
160

Common Calculations

PREN (Pitting Resistance) 40
30
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.1
4.1
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 26.5 to 29
17 to 22
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
58.7 to 71.9
Manganese (Mn), % 0.5 to 2.5
0 to 1.5
Molybdenum (Mo), % 3.2 to 4.2
2.0 to 3.0
Nickel (Ni), % 30 to 33
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040