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S44537 Stainless Steel vs. N08801 Stainless Steel

Both S44537 stainless steel and N08801 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common. There are 32 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 S44537 stainless steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 230
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 320
570
Tensile Strength: Ultimate (UTS), MPa 510
860
Tensile Strength: Yield (Proof), MPa 360
190

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 530
630
Maximum Temperature: Mechanical, °C 1000
1090
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
5.5
Embodied Energy, MJ/kg 50
79
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
220
Resilience: Unit (Modulus of Resilience), kJ/m3 320
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
30
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 5.6
3.3
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 20 to 24
19 to 22
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 69 to 78.6
39.5 to 50.3
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0 to 1.5
Nickel (Ni), % 0 to 0.5
30 to 34
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.1 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.0060
0 to 0.015
Titanium (Ti), % 0.020 to 0.2
0.75 to 1.5
Tungsten (W), % 1.0 to 3.0
0