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N08366 Stainless Steel vs. S43037 Stainless Steel

Both N08366 stainless steel and S43037 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is N08366 stainless steel and the bottom bar is S43037 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
25
Fatigue Strength, MPa 190
160
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
77
Shear Modulus, GPa 80
77
Shear Strength, MPa 390
260
Tensile Strength: Ultimate (UTS), MPa 590
410
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
510
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.3
Embodied Energy, MJ/kg 84
32
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
88
Resilience: Unit (Modulus of Resilience), kJ/m3 150
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
15
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 3.4
6.7
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 20 to 22
16 to 19
Iron (Fe), % 42.4 to 50.5
77.9 to 83.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.1 to 1.0