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S30601 Stainless Steel vs. S32550 Stainless Steel

Both S30601 stainless steel and S32550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S30601 stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 37
21
Fatigue Strength, MPa 250
400
Poisson's Ratio 0.28
0.27
Reduction in Area, % 56
57
Shear Modulus, GPa 75
80
Shear Strength, MPa 450
540
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 300
620

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.8
Embodied Energy, MJ/kg 55
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 18
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
160
Resilience: Unit (Modulus of Resilience), kJ/m3 230
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.040
Chromium (Cr), % 17 to 18
24 to 27
Copper (Cu), % 0 to 0.35
1.5 to 2.5
Iron (Fe), % 56.9 to 60.5
57.2 to 67
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
2.9 to 3.9
Nickel (Ni), % 17 to 18
4.5 to 6.5
Nitrogen (N), % 0 to 0.050
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 5.0 to 5.6
0 to 1.0
Sulfur (S), % 0 to 0.013
0 to 0.030