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S44537 Stainless Steel vs. N08811 Stainless Steel

Both S44537 stainless steel and N08811 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 (3, in this case) are not shown.

For each property being compared, the top bar is S44537 stainless steel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
33
Fatigue Strength, MPa 230
150
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 320
340
Tensile Strength: Ultimate (UTS), MPa 510
510
Tensile Strength: Yield (Proof), MPa 360
190

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 530
490
Maximum Temperature: Mechanical, °C 1000
1100
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
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
5.3
Embodied Energy, MJ/kg 50
76
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
130
Resilience: Unit (Modulus of Resilience), kJ/m3 320
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 5.6
3.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.15 to 0.6
Carbon (C), % 0 to 0.030
0.060 to 0.1
Chromium (Cr), % 20 to 24
19 to 23
Copper (Cu), % 0 to 0.5
0 to 0.75
Iron (Fe), % 69 to 78.6
39.5 to 50.6
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 35
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
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
0.15 to 0.6
Tungsten (W), % 1.0 to 3.0
0