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EN 1.4710 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both EN 1.4710 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 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, % 20
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 360
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.8
4.2
Embodied Energy, MJ/kg 24
58
Embodied Water, L/kg 76
180

Common Calculations

PREN (Pitting Resistance) 7.2
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
4.2

Alloy Composition

Carbon (C), % 0.2 to 0.35
0 to 0.030
Chromium (Cr), % 6.0 to 8.0
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 87.4 to 92.3
56.6 to 65.3
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.15
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0