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AISI 317LMN Stainless Steel vs. ASTM Grade LC9 Steel

Both AISI 317LMN stainless steel and ASTM grade LC9 steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 317LMN stainless steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
22
Fatigue Strength, MPa 250
420
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
34
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 620
660
Tensile Strength: Yield (Proof), MPa 270
590

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1020
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.8
2.3
Embodied Energy, MJ/kg 65
31
Embodied Water, L/kg 170
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.13
Chromium (Cr), % 17 to 20
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 54.4 to 65.4
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.2
Nickel (Ni), % 13.5 to 17.5
8.5 to 10
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 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0
0 to 0.030