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EN 1.4516 Stainless Steel vs. SAE-AISI 1018 Steel

Both EN 1.4516 stainless steel and SAE-AISI 1018 steel are iron alloys. They have 87% 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 1.4516 stainless steel and the bottom bar is SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
17 to 27
Fatigue Strength, MPa 210
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 350
280 to 300
Tensile Strength: Ultimate (UTS), MPa 550
430 to 480
Tensile Strength: Yield (Proof), MPa 320
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 97
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
150 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
15 to 17
Strength to Weight: Bending, points 19
16 to 17
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 20
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 10.5 to 12.5
0
Iron (Fe), % 83.3 to 89
98.8 to 99.25
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Nickel (Ni), % 0.5 to 1.5
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
Titanium (Ti), % 0.050 to 0.35
0