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S32053 Stainless Steel vs. S21800 Stainless Steel

Both S32053 stainless steel and S21800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S32053 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 46
40
Fatigue Strength, MPa 310
330
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
62
Rockwell B Hardness 83
88
Shear Modulus, GPa 80
75
Shear Strength, MPa 510
510
Tensile Strength: Ultimate (UTS), MPa 730
740
Tensile Strength: Yield (Proof), MPa 330
390

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 6.1
3.1
Embodied Energy, MJ/kg 83
45
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 44
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
250
Resilience: Unit (Modulus of Resilience), kJ/m3 270
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 22 to 24
16 to 18
Iron (Fe), % 41.7 to 48.8
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 5.0 to 6.0
0
Nickel (Ni), % 24 to 26
8.0 to 9.0
Nitrogen (N), % 0.17 to 0.22
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.030