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SAE-AISI 1552 Steel vs. S32050 Stainless Steel

Both SAE-AISI 1552 steel and S32050 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 31 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 SAE-AISI 1552 steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 14
46
Fatigue Strength, MPa 290 to 400
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
81
Shear Strength, MPa 460 to 510
540
Tensile Strength: Ultimate (UTS), MPa 760 to 840
770
Tensile Strength: Yield (Proof), MPa 460 to 650
370

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.0
Embodied Energy, MJ/kg 19
81
Embodied Water, L/kg 47
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
290
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 30
27
Strength to Weight: Bending, points 24 to 25
23
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 26 to 29
17

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 97.9 to 98.3
43.1 to 51.8
Manganese (Mn), % 1.2 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020