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S41003 Stainless Steel vs. S44800 Stainless Steel

Both S41003 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% 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 S41003 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
23
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 17
18
Shear Modulus, GPa 76
82
Shear Strength, MPa 320
370
Tensile Strength: Ultimate (UTS), MPa 520
590
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 720
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 27
52
Embodied Water, L/kg 97
190

Common Calculations

PREN (Pitting Resistance) 12
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 7.2
4.6
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 10.5 to 12.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 83.4 to 89.5
62.6 to 66.5
Manganese (Mn), % 0 to 1.5
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 1.5
2.0 to 2.5
Nitrogen (N), % 0 to 0.030
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020