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S41003 Stainless Steel vs. SAE-AISI 1548 Steel

Both S41003 stainless steel and SAE-AISI 1548 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 S41003 stainless steel and the bottom bar is SAE-AISI 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
11 to 16
Fatigue Strength, MPa 200
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 320
440 to 500
Tensile Strength: Ultimate (UTS), MPa 520
730 to 830
Tensile Strength: Yield (Proof), MPa 310
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 240
470 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
26 to 30
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 7.2
14
Thermal Shock Resistance, points 19
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.44 to 0.52
Chromium (Cr), % 10.5 to 12.5
0
Iron (Fe), % 83.4 to 89.5
98 to 98.5
Manganese (Mn), % 0 to 1.5
1.1 to 1.4
Nickel (Ni), % 0 to 1.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050