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ACI-ASTM CN3M Steel vs. AWS E90C-B3

Both ACI-ASTM CN3M steel and AWS E90C-B3 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 ACI-ASTM CN3M steel and the bottom bar is AWS E90C-B3.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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