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SAE-AISI 1008 Steel vs. EN 1.4520 Stainless Steel

Both SAE-AISI 1008 steel and EN 1.4520 stainless 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 SAE-AISI 1008 steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 93 to 100
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 33
26
Fatigue Strength, MPa 150 to 220
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 220 to 230
310
Tensile Strength: Ultimate (UTS), MPa 330 to 370
480
Tensile Strength: Yield (Proof), MPa 190 to 310
220

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 62
20
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
32
Embodied Water, L/kg 45
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
100
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 13
17
Strength to Weight: Bending, points 13 to 15
18
Thermal Diffusivity, mm2/s 17
5.4
Thermal Shock Resistance, points 10 to 12
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 99.31 to 99.7
80.1 to 83.9
Manganese (Mn), % 0.3 to 0.5
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8