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S31260 Stainless Steel vs. S32003 Stainless Steel

Both S31260 stainless steel and S32003 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 S31260 stainless steel and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
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 20
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.0
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 180
150

Common Calculations

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

Alloy Composition

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