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AISI 403 Stainless Steel vs. S21603 Stainless Steel

Both AISI 403 stainless steel and S21603 stainless steel are iron alloys. They have 76% 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 AISI 403 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 25
45
Fatigue Strength, MPa 200 to 340
360
Poisson's Ratio 0.28
0.28
Reduction in Area, % 47 to 50
57
Rockwell B Hardness 83
88
Shear Modulus, GPa 76
79
Shear Strength, MPa 340 to 480
490
Tensile Strength: Ultimate (UTS), MPa 530 to 780
690
Tensile Strength: Yield (Proof), MPa 280 to 570
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 740
990
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 9.9
17

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 27
50
Embodied Water, L/kg 99
160

Common Calculations

PREN (Pitting Resistance) 12
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 28
25
Strength to Weight: Bending, points 19 to 24
22
Thermal Shock Resistance, points 20 to 29
15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 11.5 to 13
17.5 to 22
Iron (Fe), % 84.7 to 88.5
57.6 to 67.8
Manganese (Mn), % 0 to 1.0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.6
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030