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S15500 Stainless Steel vs. N08801 Stainless Steel

Both S15500 stainless steel and N08801 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
34
Fatigue Strength, MPa 350 to 650
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
570
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
860
Tensile Strength: Yield (Proof), MPa 590 to 1310
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
630
Maximum Temperature: Mechanical, °C 820
1090
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.5
Embodied Energy, MJ/kg 39
79
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 15
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
30
Strength to Weight: Bending, points 26 to 37
25
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 30 to 50
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 14 to 15.5
19 to 22
Copper (Cu), % 2.5 to 4.5
0 to 0.5
Iron (Fe), % 71.9 to 79.9
39.5 to 50.3
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 3.5 to 5.5
30 to 34
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5