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SAE-AISI 1018 Steel vs. AISI 416Se Stainless Steel

Both SAE-AISI 1018 steel and AISI 416Se stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1018 steel and the bottom bar is AISI 416Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 27
23
Fatigue Strength, MPa 180 to 270
210
Poisson's Ratio 0.29
0.28
Reduction in Area, % 45 to 57
50
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 300
340
Tensile Strength: Ultimate (UTS), MPa 430 to 480
540
Tensile Strength: Yield (Proof), MPa 240 to 400
310

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
27
Embodied Water, L/kg 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 17
20
Strength to Weight: Bending, points 16 to 17
19
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 14 to 15
20

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.15
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 98.8 to 99.25
83.1 to 87.9
Manganese (Mn), % 0.6 to 0.9
0 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.060
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.060