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S31266 Stainless Steel vs. S30601 Stainless Steel

Both S31266 stainless steel and S30601 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% of their average alloy composition in common. There are 29 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 S31266 stainless steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
37
Fatigue Strength, MPa 400
250
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
56
Shear Modulus, GPa 81
75
Shear Strength, MPa 590
450
Tensile Strength: Ultimate (UTS), MPa 860
660
Tensile Strength: Yield (Proof), MPa 470
300

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 6.5
3.9
Embodied Energy, MJ/kg 89
55
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 54
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
200
Resilience: Unit (Modulus of Resilience), kJ/m3 540
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 23 to 25
17 to 18
Copper (Cu), % 1.0 to 2.5
0 to 0.35
Iron (Fe), % 34.1 to 46
56.9 to 60.5
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.8
Molybdenum (Mo), % 5.2 to 6.2
0 to 0.2
Nickel (Ni), % 21 to 24
17 to 18
Nitrogen (N), % 0.35 to 0.6
0 to 0.050
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
5.0 to 5.6
Sulfur (S), % 0 to 0.020
0 to 0.013
Tungsten (W), % 1.5 to 2.5
0