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S32550 Stainless Steel vs. S41003 Stainless Steel

Both S32550 stainless steel and S41003 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32550 stainless steel and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
21
Fatigue Strength, MPa 400
200
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
17
Shear Modulus, GPa 80
76
Shear Strength, MPa 540
320
Tensile Strength: Ultimate (UTS), MPa 860
520
Tensile Strength: Yield (Proof), MPa 620
310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 53
27
Embodied Water, L/kg 180
97

Common Calculations

PREN (Pitting Resistance) 40
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
92
Resilience: Unit (Modulus of Resilience), kJ/m3 940
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 4.4
7.2
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24 to 27
10.5 to 12.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
83.4 to 89.5
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 4.5 to 6.5
0 to 1.5
Nitrogen (N), % 0.1 to 0.25
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030