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AWS E330 vs. ACI-ASTM CD3MCuN Steel

Both AWS E330 and ACI-ASTM CD3MCuN steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E330 and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 580
790

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.9
Embodied Energy, MJ/kg 75
54
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 17
41
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0.18 to 0.25
0 to 0.030
Chromium (Cr), % 14 to 17
24 to 26.7
Copper (Cu), % 0 to 0.75
1.4 to 1.9
Iron (Fe), % 40.7 to 51.8
58.2 to 65.9
Manganese (Mn), % 1.0 to 2.5
0 to 1.2
Molybdenum (Mo), % 0 to 0.75
2.9 to 3.8
Nickel (Ni), % 33 to 37
5.6 to 6.7
Nitrogen (N), % 0
0.22 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030