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ACI-ASTM CT15C Steel vs. AWS E349

Both ACI-ASTM CT15C steel and AWS E349 are iron alloys. They have 76% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CT15C steel and the bottom bar is AWS E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
29
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
770

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.1
4.9
Embodied Energy, MJ/kg 88
72
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 20
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.13
Chromium (Cr), % 19 to 21
18 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 40.3 to 49.2
60.5 to 71.1
Manganese (Mn), % 0.15 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 0
0.35 to 0.65
Nickel (Ni), % 31 to 34
8.0 to 10
Niobium (Nb), % 0.5 to 1.5
0.75 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3