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S32001 Stainless Steel vs. N08904 Stainless Steel

Both S32001 stainless steel and N08904 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S32001 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
38
Fatigue Strength, MPa 370
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 450
370
Tensile Strength: Ultimate (UTS), MPa 690
540
Tensile Strength: Yield (Proof), MPa 510
240

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.8
Embodied Energy, MJ/kg 37
79
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 23
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 660
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 19.5 to 21.5
19 to 23
Copper (Cu), % 0 to 1.0
1.0 to 2.0
Iron (Fe), % 66.6 to 75.5
38.8 to 53
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
4.0 to 5.0
Nickel (Ni), % 1.0 to 3.0
23 to 28
Nitrogen (N), % 0.050 to 0.17
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035