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S31277 Stainless Steel vs. SAE-AISI 1117 Steel

Both S31277 stainless steel and SAE-AISI 1117 steel are iron alloys. They have 42% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is SAE-AISI 1117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
17 to 26
Fatigue Strength, MPa 380
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
320 to 330
Tensile Strength: Ultimate (UTS), MPa 860
490 to 540
Tensile Strength: Yield (Proof), MPa 410
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.4
Embodied Energy, MJ/kg 90
18
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
180 to 550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
17 to 19
Strength to Weight: Bending, points 25
18 to 19
Thermal Shock Resistance, points 19
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
0.14 to 0.2
Chromium (Cr), % 20.5 to 23
0
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
98.3 to 98.8
Manganese (Mn), % 0 to 3.0
1.0 to 1.3
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0.080 to 0.13