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S45503 Stainless Steel vs. S20432 Stainless Steel

Both S45503 stainless steel and S20432 stainless steel are iron alloys. They have 89% 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 S45503 stainless steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6 to 6.8
45
Fatigue Strength, MPa 710 to 800
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 940 to 1070
400
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
580
Tensile Strength: Yield (Proof), MPa 1430 to 1700
230

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 640
410
Maximum Temperature: Mechanical, °C 760
900
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 48
38
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 13
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
21
Strength to Weight: Bending, points 39 to 43
20
Thermal Shock Resistance, points 56 to 64
13

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.080
Chromium (Cr), % 11 to 12.5
17 to 18
Copper (Cu), % 1.5 to 2.5
2.0 to 3.0
Iron (Fe), % 72.4 to 78.9
66.7 to 74
Manganese (Mn), % 0 to 0.5
3.0 to 5.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
4.0 to 6.0
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.0 to 1.4
0