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S21603 Stainless Steel vs. S32654 Stainless Steel

Both S21603 stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% 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 S21603 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
45
Fatigue Strength, MPa 360
450
Poisson's Ratio 0.28
0.28
Reduction in Area, % 57
46
Shear Modulus, GPa 79
82
Shear Strength, MPa 490
590
Tensile Strength: Ultimate (UTS), MPa 690
850
Tensile Strength: Yield (Proof), MPa 390
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.4
Embodied Energy, MJ/kg 50
87
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 34
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
330
Resilience: Unit (Modulus of Resilience), kJ/m3 380
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 22
25
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 17.5 to 22
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 57.6 to 67.8
38.3 to 45.3
Manganese (Mn), % 7.5 to 9.0
2.0 to 4.0
Molybdenum (Mo), % 2.0 to 3.0
7.0 to 8.0
Nickel (Ni), % 5.0 to 7.0
21 to 23
Nitrogen (N), % 0.25 to 0.5
0.45 to 0.55
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050