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AISI 317LMN Stainless Steel vs. ACI-ASTM CN3MN Steel

Both AISI 317LMN stainless steel and ACI-ASTM CN3MN 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 (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 ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
39
Fatigue Strength, MPa 250
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 620
620
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 4.8
6.2
Embodied Energy, MJ/kg 65
84
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 36
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
200
Resilience: Unit (Modulus of Resilience), kJ/m3 180
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.8
3.4
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 20
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 54.4 to 65.4
41.4 to 50.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
6.0 to 7.0
Nickel (Ni), % 13.5 to 17.5
23.5 to 25.5
Nitrogen (N), % 0.1 to 0.2
0.18 to 0.26
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010