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AWS E2594 vs. ACI-ASTM CA15 Steel

Both AWS E2594 and ACI-ASTM CA15 steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 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 E2594 and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
21
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 850
700

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.0
Embodied Energy, MJ/kg 60
28
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 43
14
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.3
6.7
Thermal Shock Resistance, points 21
26

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 24 to 27
11.5 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
81.8 to 88.5
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.5
Nickel (Ni), % 8.0 to 10.5
0 to 1.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040