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ACI-ASTM CE8MN Steel vs. EN 1.4529 Stainless Steel

Both ACI-ASTM CE8MN steel and EN 1.4529 stainless steel are iron alloys. They have 81% 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 CE8MN steel and the bottom bar is EN 1.4529 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
43
Fatigue Strength, MPa 370
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 750
750
Tensile Strength: Yield (Proof), MPa 500
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.2
6.2
Embodied Energy, MJ/kg 58
84
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 40
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
260
Resilience: Unit (Modulus of Resilience), kJ/m3 620
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.2
3.2
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 22.5 to 25.5
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 56 to 66.4
42.7 to 50.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.5
6.0 to 7.0
Nickel (Ni), % 8.0 to 11
24 to 26
Nitrogen (N), % 0.1 to 0.3
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010