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S32654 Stainless Steel vs. AISI 429 Stainless Steel

Both S32654 stainless steel and AISI 429 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 58% of their average alloy composition in common. There are 34 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 S32654 stainless steel and the bottom bar is AISI 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
25
Fatigue Strength, MPa 450
180
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
50
Shear Modulus, GPa 82
77
Shear Strength, MPa 590
300
Tensile Strength: Ultimate (UTS), MPa 850
480
Tensile Strength: Yield (Proof), MPa 490
260

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
400
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
26
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

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
110

Common Calculations

PREN (Pitting Resistance) 57
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
99
Resilience: Unit (Modulus of Resilience), kJ/m3 570
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 2.9
6.9
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.12
Chromium (Cr), % 24 to 25
14 to 16
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
81.8 to 86
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
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