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ACI-ASTM CN3MN Steel vs. EN 1.4905 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4905 stainless steel are iron alloys. They have 57% 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 ACI-ASTM CN3MN steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
19
Fatigue Strength, MPa 250
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
740
Tensile Strength: Yield (Proof), MPa 300
510

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 430
380
Maximum Temperature: Mechanical, °C 1100
660
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 84
40
Embodied Water, L/kg 200
90

Common Calculations

PREN (Pitting Resistance) 46
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
680
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.4
7.0
Thermal Shock Resistance, points 14
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.030
0.090 to 0.13
Chromium (Cr), % 20 to 22
8.5 to 9.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
86.2 to 88.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 6.0 to 7.0
0.9 to 1.1
Nickel (Ni), % 23.5 to 25.5
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.18 to 0.26
0.050 to 0.090
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25