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AISI 317L Stainless Steel vs. ACI-ASTM CF3MN Steel

Both AISI 317L stainless steel and ACI-ASTM CF3MN steel are iron alloys. They have a very high 97% 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 317L stainless steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
39
Fatigue Strength, MPa 220
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
78
Tensile Strength: Ultimate (UTS), MPa 550
580
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1010
1010
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.9
Embodied Energy, MJ/kg 59
53
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 31
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.8
4.1
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
17 to 22
Iron (Fe), % 58 to 68
58.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 3.0
Nickel (Ni), % 11 to 15
9.0 to 13
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040