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ACI-ASTM CD4MCuN Steel vs. AWS BNi-10

ACI-ASTM CD4MCuN steel belongs to the iron alloys classification, while AWS BNi-10 belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 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 CD4MCuN steel and the bottom bar is AWS BNi-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 770
600

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Melting Completion (Liquidus), °C 1420
1110
Melting Onset (Solidus), °C 1380
970
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
80
Density, g/cm3 7.8
9.4
Embodied Carbon, kg CO2/kg material 3.5
11
Embodied Energy, MJ/kg 49
160
Embodied Water, L/kg 180
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.0 to 3.0
Carbon (C), % 0 to 0.040
0.4 to 0.55
Chromium (Cr), % 24.5 to 26.5
10 to 13
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 2.7 to 3.3
0
Iron (Fe), % 59.5 to 66.3
2.5 to 4.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.7 to 2.3
0
Nickel (Ni), % 4.7 to 6.0
57.2 to 67.1
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.040
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
15 to 17
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5