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AISI 317LMN Stainless Steel vs. SAE-AISI 1018 Steel

Both AISI 317LMN stainless steel and SAE-AISI 1018 steel are iron alloys. They have 61% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 317LMN stainless steel and the bottom bar is SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17 to 27
Fatigue Strength, MPa 250
180 to 270
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
45 to 57
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
280 to 300
Tensile Strength: Ultimate (UTS), MPa 620
430 to 480
Tensile Strength: Yield (Proof), MPa 270
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 65
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
150 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
15 to 17
Strength to Weight: Bending, points 20
16 to 17
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 14
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 54.4 to 65.4
98.8 to 99.25
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 13.5 to 17.5
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050