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S32654 Stainless Steel vs. AISI 420 Stainless Steel

Both S32654 stainless steel and AISI 420 stainless steel are iron alloys. They have 56% 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 S32654 stainless steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
8.0 to 15
Fatigue Strength, MPa 450
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 590
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 850
690 to 1720
Tensile Strength: Yield (Proof), MPa 490
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1100
620
Melting Completion (Liquidus), °C 1450
1510
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
27
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
2.0
Embodied Energy, MJ/kg 87
28
Embodied Water, L/kg 220
100

Common Calculations

PREN (Pitting Resistance) 57
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 570
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25 to 62
Strength to Weight: Bending, points 25
22 to 41
Thermal Diffusivity, mm2/s 2.9
7.3
Thermal Shock Resistance, points 19
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.020
0.15 to 0.4
Chromium (Cr), % 24 to 25
12 to 14
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
82.3 to 87.9
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 7.0 to 8.0
0 to 0.5
Nickel (Ni), % 21 to 23
0 to 0.75
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030