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S31727 Stainless Steel vs. S32654 Stainless Steel

Both S31727 stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
45
Fatigue Strength, MPa 240
450
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
46
Shear Modulus, GPa 78
82
Shear Strength, MPa 430
590
Tensile Strength: Ultimate (UTS), MPa 630
850
Tensile Strength: Yield (Proof), MPa 270
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 4.7
6.4
Embodied Energy, MJ/kg 64
87
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 35
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
330
Resilience: Unit (Modulus of Resilience), kJ/m3 190
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 17.5 to 19
24 to 25
Copper (Cu), % 2.8 to 4.0
0.3 to 0.6
Iron (Fe), % 53.7 to 61.3
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 3.8 to 4.5
7.0 to 8.0
Nickel (Ni), % 14.5 to 16.5
21 to 23
Nitrogen (N), % 0.15 to 0.21
0.45 to 0.55
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050