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EN 1.4618 Stainless Steel vs. SAE-AISI 1080 Steel

Both EN 1.4618 stainless steel and SAE-AISI 1080 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 1.4618 stainless steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
11
Fatigue Strength, MPa 240 to 250
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 480 to 500
460 to 520
Tensile Strength: Ultimate (UTS), MPa 680 to 700
770 to 870
Tensile Strength: Yield (Proof), MPa 250 to 260
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
27 to 31
Strength to Weight: Bending, points 22 to 23
24 to 26
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15 to 16
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.1
0.75 to 0.88
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
98.1 to 98.7
Manganese (Mn), % 5.5 to 9.5
0.6 to 0.9
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0 to 0.050

Comparable Variants