Nickel-Fe-Cr alloy, NIMONIC PE16, bar
NIMONIC PE16 Designation
| INCO Inc. | Proprietary Alloy: “NIMONIC PE16” |
NIMONIC PE16 Tradenames
| NIMONIC PE16 | Special Metals Corp. (USA) |
NIMONIC PE16 Typical uses
NIMONIC PE16 Composition detail
| Al (aluminum) | 1 | | | % |
| Cr (chromium) | 16.5 | | | % |
| Fe (iron) | 34.4 | | | % |
| Mo (molybdenum) | 3.2 | | | % |
| Ni (nickel) | 43.5 | | | % |
| Ti (titanium) | 1.2 | | | % |
| Other | 0 | – | 0.1 | % |
NIMONIC PE16 Physical properties
NIMONIC PE16 Mechanical properties
| Young’s modulus | 195 | – | 205 | GPa |
| Specific stiffness | 24.3 | – | 25.6 | MN.m/kg |
| Yield strength (elastic limit) | 460 | – | 585 | MPa |
| Tensile strength | 795 | – | 975 | MPa |
| Specific strength | 57.3 | – | 72.9 | kN.m/kg |
| Elongation | 30 | – | 45 | % strain |
| Compressive strength | 460 | – | 585 | MPa |
| Flexural modulus | 195 | – | 205 | GPa |
| Flexural strength (modulus of rupture) | 460 | – | 585 | MPa |
| Shear modulus | 75 | – | 85 | GPa |
| Bulk modulus | 145 | – | 175 | GPa |
| Poisson’s ratio | 0.28 | – | 0.3 | |
| Shape factor | 25 | | | |
| Hardness – Vickers | 270 | – | 310 | HV |
| Hardness – Rockwell B | 103 | – | 106 | HRB |
| Hardness – Rockwell C | 26 | – | 31 | HRC |
| Hardness – Brinell | 256 | – | 294 | HB |
| Elastic stored energy (springs) | 536 | – | 846 | kJ/m3 |
| Fatigue strength at 10^7 cycles | 315 | – | 490 | MPa |
Fatigue strength model (stress range)
Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | 294 | – | 525 | MPa |
NIMONIC PE16 Impact & fracture properties
| Fracture toughness | 215 | – | 239 | MPa.m0.5 |
| Toughness (G) | 231 | – | 285 | kJ/m2 |
NIMONIC PE16 Thermal properties
| Melting point | 1230 | – | 1380 | °C |
| Maximum service temperature | 697 | – | 967 | °C |
| Minimum service temperature | -273 | | | °C |
| Thermal conductivity | 11 | – | 12.5 | W/m.°C |
| Specific heat capacity | 525 | – | 565 | J/kg.°C |
| Thermal expansion coefficient | 10.5 | – | 12.5 | µstrain/°C |
| Thermal shock resistance | 195 | – | 262 | °C |
| Thermal distortion resistance | 0.92 | – | 1.14 | MW/m |
| Latent heat of fusion | 270 | – | 300 | kJ/kg |
NIMONIC PE16 Electrical properties
| Electrical resistivity | 105 | – | 115 | µohm.cm |
| Electrical conductivity | 1.5 | – | 1.64 | %IACS |
| Galvanic potential | -0.13 | – | -0.05 | V |
NIMONIC PE16 Magnetic properties
| Magnetic type | Non-magnetic |
NIMONIC PE16 Optical, aesthetic and acoustic properties
| Transparency | Opaque |
| Acoustic velocity | 4930 | – | 5060 | m/s |
| Mechanical loss coefficient (tan delta) | 3e-4 | – | 5e-4 | |
NIMONIC PE16 Processing properties
| Metal casting | Unsuitable |
| Metal cold forming | Acceptable |
| Metal hot forming | Acceptable |
| Metal press forming | Acceptable |
| Metal deep drawing | Unsuitable |
| Machining speed | 5.79 m/min |
Weldability
Notes: Preheating is not required, post weld heat treatment is required | Good |
NIMONIC PE16 Durability
| Water (fresh) | Excellent |
| Water (salt) | Excellent |
| Weak acids | Excellent |
| Strong acids | Acceptable |
| Weak alkalis | Excellent |
| Strong alkalis | Excellent |
| Organic solvents | Excellent |
| Oxidation at 500C | Excellent |
| UV radiation (sunlight) | Excellent |
Galling resistance (adhesive wear)
Notes: Bronze or zinc alloy dies should be used to minimize galling. | Limited use |
| Flammability | Non-flammable |
NIMONIC PE16 Corrosion resistance
| Pitting resistance equivalent number (PREN) | 27.1 |
| Pitting and crevice corrosion | Medium (20-30) |
Stress corrosion cracking
Note: Rated in chloride; Other susceptible environments: Hydroxide | Slightly susceptible |
NIMONIC PE16 Notes
| Warning |
| All nickel compounds should be regarded as toxic. Some can cause cancer and/or fetal abnormalities. |
| Other notes |
| NIMONIC is a registered tradename of the INCO group of companies. |
NIMONIC PE16 Standards with similar compositions
| Tradenames: NIMONIC PE 16 |
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