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S31266 Stainless Steel vs. S42300 Stainless Steel

Both S31266 stainless steel and S42300 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 33 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 S31266 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
9.1
Fatigue Strength, MPa 400
440
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
22
Shear Modulus, GPa 81
77
Shear Strength, MPa 590
650
Tensile Strength: Ultimate (UTS), MPa 860
1100
Tensile Strength: Yield (Proof), MPa 470
850

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
3.2
Embodied Energy, MJ/kg 89
44
Embodied Water, L/kg 220
110

Common Calculations

PREN (Pitting Resistance) 54
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
93
Resilience: Unit (Modulus of Resilience), kJ/m3 540
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
39
Strength to Weight: Bending, points 24
30
Thermal Diffusivity, mm2/s 3.1
6.8
Thermal Shock Resistance, points 18
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.27 to 0.32
Chromium (Cr), % 23 to 25
11 to 12
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
82 to 85.1
Manganese (Mn), % 2.0 to 4.0
1.0 to 1.4
Molybdenum (Mo), % 5.2 to 6.2
2.5 to 3.0
Nickel (Ni), % 21 to 24
0 to 0.5
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0.2 to 0.3