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ACI-ASTM CD3MWCuN Steel vs. SAE-AISI 94B17 Steel

Both ACI-ASTM CD3MWCuN steel and SAE-AISI 94B17 steel are iron alloys. They have 63% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MWCuN steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
25
Fatigue Strength, MPa 370
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 790
440
Tensile Strength: Yield (Proof), MPa 500
270

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.5
Embodied Energy, MJ/kg 58
20
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
96
Resilience: Unit (Modulus of Resilience), kJ/m3 620
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 4.2
10
Thermal Shock Resistance, points 22
13

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 24 to 26
0.3 to 0.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 56.6 to 65.3
97.1 to 98.3
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0.080 to 0.15
Nickel (Ni), % 6.5 to 8.5
0.3 to 0.6
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Tungsten (W), % 0.5 to 1.0
0