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S21603 Stainless Steel vs. S33425 Stainless Steel

Both S21603 stainless steel and S33425 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 29 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 S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 360
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 490
400
Tensile Strength: Ultimate (UTS), MPa 690
580
Tensile Strength: Yield (Proof), MPa 390
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
27
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
5.1
Embodied Energy, MJ/kg 50
71
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 34
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 22
21 to 23
Iron (Fe), % 57.6 to 67.8
47.2 to 56.7
Manganese (Mn), % 7.5 to 9.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 5.0 to 7.0
20 to 23
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6