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S24000 Stainless Steel vs. S20432 Stainless Steel

Both S24000 stainless steel and S20432 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S24000 stainless steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
45
Fatigue Strength, MPa 370
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
81
Shear Modulus, GPa 77
76
Shear Strength, MPa 530
400
Tensile Strength: Ultimate (UTS), MPa 770
580
Tensile Strength: Yield (Proof), MPa 430
230

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
900
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
38
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
210
Resilience: Unit (Modulus of Resilience), kJ/m3 470
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 18
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 61.5 to 69
66.7 to 74
Manganese (Mn), % 11.5 to 14.5
3.0 to 5.0
Nickel (Ni), % 2.3 to 3.7
4.0 to 6.0
Nitrogen (N), % 0.2 to 0.4
0.050 to 0.2
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030