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EN 1.4361 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both EN 1.4361 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 87% 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 1.4361 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, % 43
29
Fatigue Strength, MPa 220
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 630
790
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
22
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.6
4.2
Embodied Energy, MJ/kg 52
58
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 58.7 to 65.8
56.6 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
3.0 to 4.0
Nickel (Ni), % 14 to 16
6.5 to 8.5
Nitrogen (N), % 0 to 0.1
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 3.7 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0