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AISI 434 Stainless Steel vs. S32654 Stainless Steel

Both AISI 434 stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common. There are 33 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 AISI 434 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 24
45
Fatigue Strength, MPa 220
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
82
Shear Strength, MPa 330
590
Tensile Strength: Ultimate (UTS), MPa 520
850
Tensile Strength: Yield (Proof), MPa 320
490

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.4
6.4
Embodied Energy, MJ/kg 33
87
Embodied Water, L/kg 120
220

Common Calculations

PREN (Pitting Resistance) 20
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
330
Resilience: Unit (Modulus of Resilience), kJ/m3 260
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 16 to 18
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 78.6 to 83.3
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0.75 to 1.3
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050