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S35500 Stainless Steel vs. S31266 Stainless Steel

Both S35500 stainless steel and S31266 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S35500 stainless steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14
40
Fatigue Strength, MPa 690 to 730
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 810 to 910
590
Tensile Strength: Ultimate (UTS), MPa 1330 to 1490
860
Tensile Strength: Yield (Proof), MPa 1200 to 1280
470

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.5
6.5
Embodied Energy, MJ/kg 47
89
Embodied Water, L/kg 130
220

Common Calculations

PREN (Pitting Resistance) 27
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
290
Resilience: Unit (Modulus of Resilience), kJ/m3 3610 to 4100
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 47 to 53
29
Strength to Weight: Bending, points 34 to 37
24
Thermal Diffusivity, mm2/s 4.4
3.1
Thermal Shock Resistance, points 44 to 49
18

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 15 to 16
23 to 25
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 73.2 to 77.7
34.1 to 46
Manganese (Mn), % 0.5 to 1.3
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.2
5.2 to 6.2
Nickel (Ni), % 4.0 to 5.0
21 to 24
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0.070 to 0.13
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5