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EN 1.4416 Stainless Steel vs. ACI-ASTM CF8M Steel

Both EN 1.4416 stainless steel and ACI-ASTM CF8M steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 1.4416 stainless steel and the bottom bar is ACI-ASTM CF8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
50
Fatigue Strength, MPa 170
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 210
290

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.8
3.8
Embodied Energy, MJ/kg 79
53
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 39
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
230
Resilience: Unit (Modulus of Resilience), kJ/m3 110
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19 to 21
18 to 21
Iron (Fe), % 45.2 to 52.4
60.3 to 71
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 4.5 to 5.5
2.0 to 3.0
Nickel (Ni), % 24 to 26
9.0 to 12
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040