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ACI-ASTM CN3MN Steel vs. EN 1.4034 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4034 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
11 to 14
Fatigue Strength, MPa 250
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
690 to 900
Tensile Strength: Yield (Proof), MPa 300
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.0
Embodied Energy, MJ/kg 84
27
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 46
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 210
400 to 1370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
25 to 32
Strength to Weight: Bending, points 20
22 to 27
Thermal Diffusivity, mm2/s 3.4
8.1
Thermal Shock Resistance, points 14
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.43 to 0.5
Chromium (Cr), % 20 to 22
12.5 to 14.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
83 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015