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AISI 309Cb Stainless Steel vs. S45503 Stainless Steel

Both AISI 309Cb stainless steel and S45503 stainless steel are iron alloys. They have 82% 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 AISI 309Cb 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, % 39
4.6 to 6.8
Fatigue Strength, MPa 200
710 to 800
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
17 to 28
Shear Modulus, GPa 78
75
Shear Strength, MPa 390
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 580
1610 to 1850
Tensile Strength: Yield (Proof), MPa 230
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 510
640
Maximum Temperature: Mechanical, °C 1090
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 23
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
57 to 65
Strength to Weight: Bending, points 20
39 to 43
Thermal Shock Resistance, points 13
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 22 to 24
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 56 to 66
72.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 12 to 16
7.5 to 9.5
Niobium (Nb), % 0 to 1.1
0.1 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4