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S32050 Stainless Steel vs. SAE-AISI 5147 Steel

Both S32050 stainless steel and SAE-AISI 5147 steel are iron alloys. Both are furnished in the annealed condition. They have 50% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32050 stainless steel and the bottom bar is SAE-AISI 5147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 46
20
Fatigue Strength, MPa 340
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 540
370
Tensile Strength: Ultimate (UTS), MPa 770
600
Tensile Strength: Yield (Proof), MPa 370
360

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.2
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.5
Embodied Energy, MJ/kg 81
19
Embodied Water, L/kg 210
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.46 to 0.51
Chromium (Cr), % 22 to 24
0.85 to 1.2
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.1 to 51.8
97 to 97.8
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 6.0 to 6.6
0
Nickel (Ni), % 20 to 23
0
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040