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S32760 Stainless Steel vs. SAE-AISI 8617 Steel

Both S32760 stainless steel and SAE-AISI 8617 steel are iron alloys. Both are furnished in the annealed condition. They have 64% 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 S32760 stainless steel and the bottom bar is SAE-AISI 8617 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
25
Fatigue Strength, MPa 450
230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 550
300
Tensile Strength: Ultimate (UTS), MPa 850
470
Tensile Strength: Yield (Proof), MPa 620
320

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 930
270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 24 to 26
0.4 to 0.6
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 57.6 to 65.8
96.9 to 98.1
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 3.0 to 4.0
0.15 to 0.25
Nickel (Ni), % 6.0 to 8.0
0.4 to 0.7
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 0.5 to 1.0
0