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S31277 Stainless Steel vs. SAE-AISI 1090 Steel

Both S31277 stainless steel and SAE-AISI 1090 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 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
11
Fatigue Strength, MPa 380
320 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 600
470 to 570
Tensile Strength: Ultimate (UTS), MPa 860
790 to 950
Tensile Strength: Yield (Proof), MPa 410
520 to 610

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
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
19
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
82 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 410
730 to 1000
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
28 to 34
Strength to Weight: Bending, points 25
24 to 27
Thermal Shock Resistance, points 19
25 to 31

Alloy Composition

Carbon (C), % 0 to 0.020
0.85 to 1.0
Chromium (Cr), % 20.5 to 23
0
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
98 to 98.6
Manganese (Mn), % 0 to 3.0
0.6 to 0.9
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 to 0.050