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AWS E3155 vs. ACI-ASTM CK3MCuN Steel

Both AWS E3155 and ACI-ASTM CK3MCuN steel are iron alloys. They have 73% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 770
620

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
29
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.7
5.6
Embodied Energy, MJ/kg 110
76
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 35
45
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.3
3.2
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 20 to 22.5
19.5 to 20.5
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
49.5 to 56.3
Manganese (Mn), % 1.0 to 2.5
0 to 1.2
Molybdenum (Mo), % 2.5 to 3.5
6.0 to 7.0
Nickel (Ni), % 19 to 21
17.5 to 19.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0