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AISI 316L Stainless Steel vs. AISI 440C Stainless Steel

Both AISI 316L stainless steel and AISI 440C stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 316L stainless steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 50
2.0 to 14
Fatigue Strength, MPa 170 to 450
260 to 840
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 370 to 690
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
710 to 1970
Tensile Strength: Yield (Proof), MPa 190 to 870
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 870
870
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.2
Embodied Energy, MJ/kg 53
31
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 26
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
39 to 88
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
26 to 71
Strength to Weight: Bending, points 18 to 31
23 to 46
Thermal Diffusivity, mm2/s 4.1
6.0
Thermal Shock Resistance, points 12 to 25
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.030
1.0 to 1.2
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 62 to 72
78 to 83.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.75
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0
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 0.015

Comparable Variants