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AWS E90C-B3 vs. ACI-ASTM CN3M Steel

Both AWS E90C-B3 and ACI-ASTM CN3M steel are iron alloys. They have 52% 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 CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 710
500
Tensile Strength: Yield (Proof), MPa 600
190

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
5.9
Embodied Energy, MJ/kg 24
80
Embodied Water, L/kg 59
200

Common Calculations

PREN (Pitting Resistance) 5.7
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 970
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
20 to 22
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.4 to 96.4
42.4 to 52.5
Manganese (Mn), % 0.4 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
4.5 to 5.5
Nickel (Ni), % 0 to 0.2
23 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.25 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0