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S32654 Stainless Steel vs. S31277 Stainless Steel

Both S32654 stainless steel and S31277 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
45
Fatigue Strength, MPa 450
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
80
Shear Strength, MPa 590
600
Tensile Strength: Ultimate (UTS), MPa 850
860
Tensile Strength: Yield (Proof), MPa 490
410

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 6.4
6.7
Embodied Energy, MJ/kg 87
90
Embodied Water, L/kg 220
220

Common Calculations

PREN (Pitting Resistance) 57
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
320
Resilience: Unit (Modulus of Resilience), kJ/m3 570
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 25
25
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.020
Chromium (Cr), % 24 to 25
20.5 to 23
Copper (Cu), % 0.3 to 0.6
0.5 to 1.5
Iron (Fe), % 38.3 to 45.3
35.5 to 46.2
Manganese (Mn), % 2.0 to 4.0
0 to 3.0
Molybdenum (Mo), % 7.0 to 8.0
6.5 to 8.0
Nickel (Ni), % 21 to 23
26 to 28
Nitrogen (N), % 0.45 to 0.55
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010