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AISI 317LMN Stainless Steel vs. SAE-AISI 1144 Steel

Both AISI 317LMN stainless steel and SAE-AISI 1144 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 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
11 to 17
Fatigue Strength, MPa 250
280 to 430
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
34 to 40
Shear Modulus, GPa 79
72
Shear Strength, MPa 430
460 to 510
Tensile Strength: Ultimate (UTS), MPa 620
750 to 840
Tensile Strength: Yield (Proof), MPa 270
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 65
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
27 to 30
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 14
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.48
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 54.4 to 65.4
97.5 to 98
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
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
0.24 to 0.33