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S21603 Stainless Steel vs. S32205 Stainless Steel

Both S21603 stainless steel and S32205 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is S32205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 360
370
Poisson's Ratio 0.28
0.27
Reduction in Area, % 57
51
Shear Modulus, GPa 79
80
Shear Strength, MPa 490
480
Tensile Strength: Ultimate (UTS), MPa 690
740
Tensile Strength: Yield (Proof), MPa 390
510

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 990
1070
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.7
Embodied Energy, MJ/kg 50
50
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 34
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
190
Resilience: Unit (Modulus of Resilience), kJ/m3 380
630
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 22
22 to 23
Iron (Fe), % 57.6 to 67.8
63.7 to 70.4
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 3.5
Nickel (Ni), % 5.0 to 7.0
4.5 to 6.5
Nitrogen (N), % 0.25 to 0.5
0.14 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020