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S20432 Stainless Steel vs. AISI 405 Stainless Steel

Both S20432 stainless steel and AISI 405 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 34 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 S20432 stainless steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
22
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 81
76
Shear Modulus, GPa 76
76
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 580
470
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 900
820
Melting Completion (Liquidus), °C 1410
1530
Melting Onset (Solidus), °C 1370
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 38
28
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
84
Resilience: Unit (Modulus of Resilience), kJ/m3 140
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 18
11.5 to 14.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 66.7 to 74
82.5 to 88.4
Manganese (Mn), % 3.0 to 5.0
0 to 1.0
Nickel (Ni), % 4.0 to 6.0
0 to 0.6
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030