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ACI-ASTM CT15C Steel vs. AWS E2594

Both ACI-ASTM CT15C steel and AWS E2594 are iron alloys. They have 75% 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 E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
17
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 500
850

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
14

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 36
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.1
4.3
Embodied Energy, MJ/kg 88
60
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 20
43
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.040
Chromium (Cr), % 19 to 21
24 to 27
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 40.3 to 49.2
53.8 to 63.8
Manganese (Mn), % 0.15 to 1.5
0.5 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 31 to 34
8.0 to 10.5
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.2 to 0.3
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