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EN 1.4568 Stainless Steel vs. SAE-AISI 1080 Steel

Both EN 1.4568 stainless steel and SAE-AISI 1080 steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4568 stainless steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.3 to 21
11
Fatigue Strength, MPa 220 to 670
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 520 to 930
460 to 520
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
770 to 870
Tensile Strength: Yield (Proof), MPa 330 to 1490
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
27 to 31
Strength to Weight: Bending, points 25 to 40
24 to 26
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 23 to 46
25 to 29

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0.75 to 0.88
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.9 to 76.8
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050