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ACI-ASTM CA28MWV Steel vs. AWS ENiCrMo-3

ACI-ASTM CA28MWV 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 CA28MWV steel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1080
870

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 3.1
14
Embodied Energy, MJ/kg 44
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 38
28
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 6.6
2.8
Thermal Shock Resistance, points 40
25

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.1
Chromium (Cr), % 11 to 12.5
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.4 to 85.8
0 to 7.0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
8.0 to 10
Nickel (Ni), % 0.5 to 1.0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0
Residuals, % 0
0 to 0.5