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S32550 Stainless Steel vs. S33425 Stainless Steel

Both S32550 stainless steel and S33425 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% 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 S32550 stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
45
Fatigue Strength, MPa 400
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Shear Strength, MPa 540
400
Tensile Strength: Ultimate (UTS), MPa 860
580
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
500
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
27
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
5.1
Embodied Energy, MJ/kg 53
71
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 40
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 940
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.4
3.7
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.040
0 to 0.080
Chromium (Cr), % 24 to 27
21 to 23
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
47.2 to 56.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.9 to 3.9
2.0 to 3.0
Nickel (Ni), % 4.5 to 6.5
20 to 23
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6