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ACI-ASTM CD3MWCuN Steel vs. EN 1.6958 Steel

Both ACI-ASTM CD3MWCuN steel and EN 1.6958 steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MWCuN steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
16
Fatigue Strength, MPa 370
700
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 790
1140
Tensile Strength: Yield (Proof), MPa 500
1070

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
450
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
47
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.0
Embodied Energy, MJ/kg 58
27
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 42
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
180
Resilience: Unit (Modulus of Resilience), kJ/m3 620
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
40
Strength to Weight: Bending, points 24
31
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 22
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 24 to 26
1.2 to 1.7
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 56.6 to 65.3
92.6 to 94.5
Manganese (Mn), % 0 to 1.5
0.2 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
0.35 to 0.55
Nickel (Ni), % 6.5 to 8.5
3.3 to 3.8
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0.5 to 1.0
0
Vanadium (V), % 0
0 to 0.12