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S33550 Stainless Steel vs. S45503 Stainless Steel

Both S33550 stainless steel and S45503 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S33550 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
4.6 to 6.8
Fatigue Strength, MPa 270
710 to 800
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 470
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 680
1610 to 1850
Tensile Strength: Yield (Proof), MPa 310
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 470
640
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
3.4
Embodied Energy, MJ/kg 61
48
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 30
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
57 to 65
Strength to Weight: Bending, points 22
39 to 43
Thermal Shock Resistance, points 15
56 to 64

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.010
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 48.8 to 58.2
72.4 to 78.9
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 16.5 to 20
7.5 to 9.5
Niobium (Nb), % 0.050 to 0.15
0.1 to 0.5
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4