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ACI-ASTM CA15 Steel vs. AWS ENiCrMo-4

ACI-ASTM CA15 steel belongs to the iron alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 21
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 700
790

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1440
1590
Melting Onset (Solidus), °C 1500
1530
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
70
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.0
13
Embodied Energy, MJ/kg 28
170
Embodied Water, L/kg 100
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 26
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 11.5 to 14
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.8 to 88.5
4.0 to 7.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 17
Nickel (Ni), % 0 to 1.0
49.9 to 63.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5