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LORK is a super alloy manufacturer with 20 years of manufacturing experience.
NIMONIC alloys are composed of nickel and chromium, with the nickel content more than 50%. These alloys exhibit high-temperature low creep and are high performance alloys. Addition of metals like titanium, aluminium increases the strength of the alloy. The commercially available NIMONIC alloys are NIMONIC 75, NIMONIC 80A, 81, 86 and NIMONIC PE11 and 16.
NIMONIC alloy 81 is a precipitation hardenable nickel-chromium alloy with titanium and aluminium as additives for strengthening. This alloy exhibits excellent corrosion resistance at high temperatures. The chromium content of the alloy is higher than other NIMONIC alloys; hence the alloy is corrosion resistant at high temperatures. Apart from being corrosion resistant, the alloy also shows good creep resistance and tensile strength at elevated temperatures.
This datasheet will look into the chemical composition, properties and applications of NIMONIC alloy 81.
Nimonic 81 Specifications
▪ BS HR55
▪ BS HR207
▪ AFNOR NW 11 AC
▪ MSRR 7952
▪ Trade Name - NIMONIC PE16
Nimonic 81Applications
The NIMONIC alloy 81 is used in the following applications:
| Element | Content (%) |
| Nickel, Ni | 63 |
| Chromium, Cr | ≤30 |
| Cobalt, Co | ≤2 |
| Titanium, Ti | 1.8 |
| Iron, Fe | ≤1.0 |
| Aluminum, Al | 0.9 |
| Others | Remainder |
| Material | Metric | Imperial |
| Tensile strength(annealed) | 1050 MPa | 152 ksi |
| Yield strength(annealed) | 600 MPa | 87 ksi |
| Elongation at Break | 40% | 40% |
NIMONIC alloy 81 can be welded using common techniques, using a matching filler metal. A prerequisite for welding is that the metal should be solution treated. Fusion welding by tungsten inert gas welding is suitable for this alloy. Other techniques that may be used on the alloy include dip-transfer welding (in thicknesses up to 5 mm), resistance-spot, -stitch, and -seam welding and flash-butt welding.
NIMONIC alloy 81 can be hot worked at temperature ranges of 950-1160°C (1742-2120°F).
NIMONIC alloy 81 can be hot forged at temperatures in the range of 1010-1176°C (1850-2150°F).
Cold working may be done on the alloy for hardening.
NIMONIC alloy 81 should be solution annealed at 1098°C (2010°F) for about 8 hours.
| Nimonic 81 available sizes and specifications | |
| Grade | Nimonic PE16 |
| Nickel plate | Thickness: 0.3mm - 150.0mm Width: 1000mm - 3000mm |
| Nickel strip/ nickel foil | Thickness: 0.02mm - 16.0mm Width: 5mm - 3000mm |
| Nickel coil | Thickness: 0.3mm - 16.0mm Width: 1000mm - 3000mm |
| Nickel pipe | Outside diameter: 6mm - 1219mm Thickness: 0.5mm - 100mm |
| Nickel Capillary Pipe | Outside diameter: 0.5mm - 6.0mm Thickness: 0.05mm - 2.0mm |
| Nickel bar | Diameter: Ф4mm - Ф600mm |
| Nickel wire rod | Diameter:Ф0.01mm - Ф6mm |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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