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EN 1.4630 Stainless Steel vs. ACI-ASTM CD3MCuN Steel

Both EN 1.4630 stainless steel and ACI-ASTM CD3MCuN steel are iron alloys. They have 78% 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 EN 1.4630 stainless steel and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
29
Fatigue Strength, MPa 170
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 480
790
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
450
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.9
Embodied Energy, MJ/kg 36
54
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 15
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 7.5
4.1
Thermal Shock Resistance, points 17
22

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 13 to 16
24 to 26.7
Copper (Cu), % 0 to 0.5
1.4 to 1.9
Iron (Fe), % 77.1 to 86.7
58.2 to 65.9
Manganese (Mn), % 0 to 1.0
0 to 1.2
Molybdenum (Mo), % 0 to 0.5
2.9 to 3.8
Nickel (Ni), % 0 to 0.5
5.6 to 6.7
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0.22 to 0.33
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.2 to 1.5
0 to 1.1
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0