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EN 1.4823 Stainless Steel vs. ACI-ASTM CF8M Steel

Both EN 1.4823 stainless steel and ACI-ASTM CF8M steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4823 stainless steel and the bottom bar is ACI-ASTM CF8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4
50
Fatigue Strength, MPa 130
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 620
540
Tensile Strength: Yield (Proof), MPa 290
290

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 27
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
230
Resilience: Unit (Modulus of Resilience), kJ/m3 200
210
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 25 to 28
18 to 21
Iron (Fe), % 60.9 to 70.7
60.3 to 71
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 3.0 to 6.0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040