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AWS E3155 vs. ACI-ASTM CD3MWCuN Steel

Both AWS E3155 and ACI-ASTM CD3MWCuN steel are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 770
790

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
22
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.7
4.2
Embodied Energy, MJ/kg 110
58
Embodied Water, L/kg 300
180

Common Calculations

PREN (Pitting Resistance) 35
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 3.3
4.2
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 22.5
24 to 26
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0.5 to 1.0
Iron (Fe), % 23.3 to 36.3
56.6 to 65.3
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
3.0 to 4.0
Nickel (Ni), % 19 to 21
6.5 to 8.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0.5 to 1.0