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S32654 Stainless Steel vs. S44330 Stainless Steel

Both S32654 stainless steel and S44330 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% 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 S44330 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
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 82
78
Shear Strength, MPa 590
280
Tensile Strength: Ultimate (UTS), MPa 850
440
Tensile Strength: Yield (Proof), MPa 490
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
2.8
Embodied Energy, MJ/kg 87
40
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 57
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
91
Resilience: Unit (Modulus of Resilience), kJ/m3 570
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 2.9
5.7
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.025
Chromium (Cr), % 24 to 25
20 to 23
Copper (Cu), % 0.3 to 0.6
0.3 to 0.8
Iron (Fe), % 38.3 to 45.3
72.5 to 79.7
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
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.45 to 0.55
0 to 0.025
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
Titanium (Ti), % 0
0 to 0.8