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S44735 Stainless Steel vs. S44401 Stainless Steel

Both S44735 stainless steel and S44401 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
21
Fatigue Strength, MPa 300
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
78
Shear Strength, MPa 390
300
Tensile Strength: Ultimate (UTS), MPa 630
480
Tensile Strength: Yield (Proof), MPa 460
300

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 650
510
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 21
12
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.9
Embodied Energy, MJ/kg 61
40
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 42
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90
Resilience: Unit (Modulus of Resilience), kJ/m3 520
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 28 to 30
17.5 to 19.5
Iron (Fe), % 60.7 to 68.4
75.1 to 80.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.6 to 4.2
1.8 to 2.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0 to 0.035
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 0.030
Titanium (Ti), % 0.2 to 1.0
0.2 to 0.8