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S32760 Stainless Steel vs. S20432 Stainless Steel

Both S32760 stainless steel and S20432 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S32760 stainless steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
45
Fatigue Strength, MPa 450
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 550
400
Tensile Strength: Ultimate (UTS), MPa 850
580
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 57
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 42
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 930
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 23
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
17 to 18
Copper (Cu), % 0.5 to 1.0
2.0 to 3.0
Iron (Fe), % 57.6 to 65.8
66.7 to 74
Manganese (Mn), % 0 to 1.0
3.0 to 5.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
4.0 to 6.0
Nitrogen (N), % 0.2 to 0.3
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.5 to 1.0
0