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S41050 Stainless Steel vs. S32003 Stainless Steel

Both S41050 stainless steel and S32003 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
28
Fatigue Strength, MPa 160
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 300
480
Tensile Strength: Ultimate (UTS), MPa 470
730
Tensile Strength: Yield (Proof), MPa 230
510

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 720
1010
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
42
Embodied Water, L/kg 97
150

Common Calculations

PREN (Pitting Resistance) 12
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 7.2
4.0
Thermal Shock Resistance, points 17
21

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
19.5 to 22.5
Iron (Fe), % 84.2 to 88.9
68.2 to 75.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0.6 to 1.1
3.0 to 4.0
Nitrogen (N), % 0 to 0.1
0.14 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020