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ACI-ASTM CA15 Steel vs. AWS ENiCrMo-3

ACI-ASTM CA15 steel belongs to the iron alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 24 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 ACI-ASTM CA15 steel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 700
870

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1500
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 2.0
14
Embodied Energy, MJ/kg 28
190
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 6.7
2.8
Thermal Shock Resistance, points 26
25

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 11.5 to 14
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.8 to 88.5
0 to 7.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
8.0 to 10
Nickel (Ni), % 0 to 1.0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.020
Residuals, % 0
0 to 0.5