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SAE-AISI 1080 Steel vs. EN 1.4905 Stainless Steel

Both SAE-AISI 1080 steel and EN 1.4905 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
19
Fatigue Strength, MPa 300 to 360
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 520
460
Tensile Strength: Ultimate (UTS), MPa 770 to 870
740
Tensile Strength: Yield (Proof), MPa 480 to 590
510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
660
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
40
Embodied Water, L/kg 46
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
130
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 31
26
Strength to Weight: Bending, points 24 to 26
23
Thermal Diffusivity, mm2/s 14
7.0
Thermal Shock Resistance, points 25 to 29
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0.75 to 0.88
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Iron (Fe), % 98.1 to 98.7
86.2 to 88.8
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25