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S32001 Stainless Steel vs. AISI 415 Stainless Steel

Both S32001 stainless steel and AISI 415 stainless steel are iron alloys. They have 87% 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 S32001 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 370
430
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 22
28
Shear Modulus, GPa 78
76
Shear Strength, MPa 450
550
Tensile Strength: Ultimate (UTS), MPa 690
900
Tensile Strength: Yield (Proof), MPa 510
700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 970
780
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.5
Embodied Energy, MJ/kg 37
35
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 23
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 660
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 19
33

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 19.5 to 21.5
11.5 to 14
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.6 to 75.5
77.8 to 84
Manganese (Mn), % 4.0 to 6.0
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.6
0.5 to 1.0
Nickel (Ni), % 1.0 to 3.0
3.5 to 5.5
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030