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AISI 316L Stainless Steel vs. SAE-AISI 4150 Steel

Both AISI 316L stainless steel and SAE-AISI 4150 steel are iron alloys. They have 69% 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 SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
200 to 380
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 50
12 to 20
Fatigue Strength, MPa 170 to 450
260 to 780
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370 to 690
410 to 800
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
660 to 1310
Tensile Strength: Yield (Proof), MPa 190 to 870
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 53
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
380 to 3930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
24 to 47
Strength to Weight: Bending, points 18 to 31
22 to 34
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 12 to 25
19 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0.48 to 0.53
Chromium (Cr), % 16 to 18
0.8 to 1.1
Iron (Fe), % 62 to 72
96.7 to 97.7
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.25
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040

Comparable Variants