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EN 1.3975 Stainless Steel vs. ACI-ASTM CD3MCuN Steel

Both EN 1.3975 stainless steel and ACI-ASTM CD3MCuN steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 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 EN 1.3975 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, % 27
29
Fatigue Strength, MPa 230
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 660
790
Tensile Strength: Yield (Proof), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
20
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.9
Embodied Energy, MJ/kg 47
54
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 21
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
200
Resilience: Unit (Modulus of Resilience), kJ/m3 270
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26.7
Copper (Cu), % 0
1.4 to 1.9
Iron (Fe), % 58.2 to 65.4
58.2 to 65.9
Manganese (Mn), % 7.0 to 9.0
0 to 1.2
Molybdenum (Mo), % 0 to 1.0
2.9 to 3.8
Nickel (Ni), % 8.0 to 9.0
5.6 to 6.7
Nitrogen (N), % 0.080 to 0.18
0.22 to 0.33
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030