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S32003 Stainless Steel vs. S31260 Stainless Steel

Both S32003 stainless steel and S31260 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32003 stainless steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 370
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
80
Shear Strength, MPa 480
500
Tensile Strength: Ultimate (UTS), MPa 730
790
Tensile Strength: Yield (Proof), MPa 510
540

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.9
Embodied Energy, MJ/kg 42
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 29
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
160
Resilience: Unit (Modulus of Resilience), kJ/m3 660
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 22.5
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 68.2 to 75.9
59.6 to 67.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
2.5 to 3.5
Nickel (Ni), % 3.0 to 4.0
5.5 to 7.5
Nitrogen (N), % 0.14 to 0.2
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5