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ACI-ASTM CK35MN Steel vs. ACI-ASTM CD3MWCuN Steel

Both ACI-ASTM CK35MN steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
29
Fatigue Strength, MPa 270
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 650
790
Tensile Strength: Yield (Proof), MPa 310
500

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.9
4.2
Embodied Energy, MJ/kg 81
58
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 48
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
200
Resilience: Unit (Modulus of Resilience), kJ/m3 240
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.3
4.2
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 22 to 24
24 to 26
Copper (Cu), % 0 to 0.4
0.5 to 1.0
Iron (Fe), % 43.4 to 51.8
56.6 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 6.8
3.0 to 4.0
Nickel (Ni), % 20 to 22
6.5 to 8.5
Nitrogen (N), % 0.21 to 0.32
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0