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S15500 Stainless Steel vs. N08031 Stainless Steel

Both S15500 stainless steel and N08031 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 30 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 S15500 stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 16
45
Fatigue Strength, MPa 350 to 650
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Shear Strength, MPa 540 to 870
510
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
730
Tensile Strength: Yield (Proof), MPa 590 to 1310
310

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 13
39
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.7
7.1
Embodied Energy, MJ/kg 39
96
Embodied Water, L/kg 130
240

Common Calculations

PREN (Pitting Resistance) 15
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
25
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 30 to 50
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.015
Chromium (Cr), % 14 to 15.5
26 to 28
Copper (Cu), % 2.5 to 4.5
1.0 to 1.4
Iron (Fe), % 71.9 to 79.9
29 to 36.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 3.5 to 5.5
30 to 32
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010