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EN 1.4923 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both EN 1.4923 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
29
Fatigue Strength, MPa 300 to 440
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 870 to 980
790
Tensile Strength: Yield (Proof), MPa 470 to 780
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
450
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.2
Embodied Energy, MJ/kg 41
58
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 15
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
200
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
28
Strength to Weight: Bending, points 26 to 28
24
Thermal Diffusivity, mm2/s 6.5
4.2
Thermal Shock Resistance, points 30 to 34
22

Alloy Composition

Carbon (C), % 0.18 to 0.24
0 to 0.030
Chromium (Cr), % 11 to 12.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 83.5 to 87.1
56.6 to 65.3
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
3.0 to 4.0
Nickel (Ni), % 0.3 to 0.8
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0
Vanadium (V), % 0.25 to 0.35
0