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EN 1.4658 Stainless Steel vs. SAE-AISI 1080 Steel

Both EN 1.4658 stainless steel and SAE-AISI 1080 steel are iron alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
11
Fatigue Strength, MPa 530
300 to 360
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 580
460 to 520
Tensile Strength: Ultimate (UTS), MPa 900
770 to 870
Tensile Strength: Yield (Proof), MPa 730
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
610 to 920
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
27 to 31
Strength to Weight: Bending, points 26
24 to 26
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 24
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.75 to 0.88
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
98.1 to 98.7
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.050