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S21603 Stainless Steel vs. S82441 Stainless Steel

Both S21603 stainless steel and S82441 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 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 360
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 490
490
Tensile Strength: Ultimate (UTS), MPa 690
760
Tensile Strength: Yield (Proof), MPa 390
550

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 990
1090
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 50
45
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 34
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
190
Resilience: Unit (Modulus of Resilience), kJ/m3 380
740
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 22
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 57.6 to 67.8
62.6 to 70.2
Manganese (Mn), % 7.5 to 9.0
2.5 to 4.0
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 2.0
Nickel (Ni), % 5.0 to 7.0
3.0 to 4.5
Nitrogen (N), % 0.25 to 0.5
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.0050