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EN 1.4547 Stainless Steel vs. ACI-ASTM CD6MN Steel

Both EN 1.4547 stainless steel and ACI-ASTM CD6MN steel are iron alloys. They have 82% 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 1.4547 stainless steel and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
28
Fatigue Strength, MPa 290
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 750
730
Tensile Strength: Yield (Proof), MPa 340
510

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.6
3.4
Embodied Energy, MJ/kg 75
48
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 45
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
180
Resilience: Unit (Modulus of Resilience), kJ/m3 290
650
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.8
4.4
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.060
Chromium (Cr), % 19.5 to 20.5
24 to 27
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51 to 56.3
62.1 to 70.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
1.8 to 2.5
Nickel (Ni), % 17.5 to 18.5
4.0 to 6.0
Nitrogen (N), % 0.18 to 0.25
0.15 to 0.25
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 0.040