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EN 1.4539 Stainless Steel vs. ACI-ASTM CD3MN Steel

Both EN 1.4539 stainless steel and ACI-ASTM CD3MN 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
29
Fatigue Strength, MPa 220
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 630
710
Tensile Strength: Yield (Proof), MPa 260
460

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.7
3.6
Embodied Energy, MJ/kg 78
50
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 36
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
21 to 23.5
Copper (Cu), % 1.2 to 2.0
0 to 1.0
Iron (Fe), % 43.1 to 51.8
62.6 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
2.5 to 3.5
Nickel (Ni), % 24 to 26
4.5 to 6.5
Nitrogen (N), % 0 to 0.15
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020