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SAE-AISI 1552 Steel vs. S41050 Stainless Steel

Both SAE-AISI 1552 steel and S41050 stainless steel are iron alloys. They have 87% 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 SAE-AISI 1552 steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
25
Fatigue Strength, MPa 290 to 400
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 510
300
Tensile Strength: Ultimate (UTS), MPa 760 to 840
470
Tensile Strength: Yield (Proof), MPa 460 to 650
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
720
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
27
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 47
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
98
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 30
17
Strength to Weight: Bending, points 24 to 25
17
Thermal Diffusivity, mm2/s 14
7.2
Thermal Shock Resistance, points 26 to 29
17

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Iron (Fe), % 97.9 to 98.3
84.2 to 88.9
Manganese (Mn), % 1.2 to 1.5
0 to 1.0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030