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ACI-ASTM CD6MN Steel vs. AWS ERNiCrMo-4

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is AWS ERNiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 28
28
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
84
Tensile Strength: Ultimate (UTS), MPa 730
790

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1440
1590
Melting Onset (Solidus), °C 1390
1530
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
70
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 3.4
13
Embodied Energy, MJ/kg 48
170
Embodied Water, L/kg 170
280

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 24 to 27
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.1 to 70.1
4.0 to 7.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.5
15 to 17
Nickel (Ni), % 4.0 to 6.0
50 to 63.5
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.080
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