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S32550 Stainless Steel vs. S32506 Stainless Steel

Both S32550 stainless steel and S32506 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 97% 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 S32550 stainless steel and the bottom bar is S32506 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
21
Fatigue Strength, MPa 400
330
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 28
28
Shear Modulus, GPa 80
81
Shear Strength, MPa 540
440
Tensile Strength: Ultimate (UTS), MPa 860
710
Tensile Strength: Yield (Proof), MPa 620
500

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.9
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 40
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 940
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
25
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.4
4.3
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24 to 27
24 to 26
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
60.8 to 67.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.9 to 3.9
3.0 to 3.5
Nickel (Ni), % 4.5 to 6.5
5.5 to 7.2
Nitrogen (N), % 0.1 to 0.25
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0.050 to 0.3