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S20432 Stainless Steel vs. SAE-AISI 1548 Steel

Both S20432 stainless steel and SAE-AISI 1548 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20432 stainless steel and the bottom bar is SAE-AISI 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
11 to 16
Fatigue Strength, MPa 210
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 400
440 to 500
Tensile Strength: Ultimate (UTS), MPa 580
730 to 830
Tensile Strength: Yield (Proof), MPa 230
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 140
470 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26 to 30
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.080
0.44 to 0.52
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 66.7 to 74
98 to 98.5
Manganese (Mn), % 3.0 to 5.0
1.1 to 1.4
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050