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AWS E90C-B3 vs. ACI-ASTM CF3MN Steel

Both AWS E90C-B3 and ACI-ASTM CF3MN steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E90C-B3 and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 710
580
Tensile Strength: Yield (Proof), MPa 600
290

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.9
Embodied Energy, MJ/kg 24
53
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.7
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 970
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
17 to 22
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.4 to 96.4
58.7 to 71.9
Manganese (Mn), % 0.4 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
2.0 to 3.0
Nickel (Ni), % 0 to 0.2
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0