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S44626 Stainless Steel vs. S32003 Stainless Steel

Both S44626 stainless steel and S32003 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% 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 S44626 stainless steel and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 230
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
79
Shear Strength, MPa 340
480
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 350
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
430
Maximum Temperature: Mechanical, °C 1100
1010
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 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 30
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 300
660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 25 to 27
19.5 to 22.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
68.2 to 75.9
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
1.5 to 2.0
Nickel (Ni), % 0 to 0.5
3.0 to 4.0
Nitrogen (N), % 0 to 0.040
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0.2 to 1.0
0