UNS N10276 N06022 Nickel Alloy Pipe Fittings Hastelloy Customized Tube Fittings
In order to ensure its performance and extend its service life, the maintenance and cleaning operations of nickel alloy pipe fittings need to pay attention to the following aspects:
Clean:
1. Use mild cleaners: Avoid using cleaners containing chlorine, phosphoric acid, or sulfuric acid, as these chemicals can damage the surface of nickel alloys.
2. Use a soft cloth or non-abrasive sponge: Avoid using abrasive cleaning tools such as steel wool, which may scratch the surface of the fitting.
3. Frequency of cleaning: Depending on the usage environment, clean regularly to remove dirt and corrosion that may have accumulated.
Examine:
1. Regular Inspections: Regularly inspect pipe fittings for any visible damage, such as scratches, cracks, or corrosion.
2. Check connections: Make sure all connections are tight to prevent leaks.
Anti-corrosion measures:
1. Coating protection: Apply anti-corrosion coating or anodic protection to the surface of pipe fittings to enhance its corrosion resistance.
2. Avoid Exposure to Moisture: Minimize exposure of pipe fittings to high humidity or moisture, as this may accelerate the corrosion process.
Installation and maintenance:
1. Proper installation: Make sure pipe fittings are installed correctly according to the manufacturer's instructions to avoid damage caused by improper installation.
2. Use the right tools: Use the right tools during installation or maintenance and avoid using excessive force to avoid damaging the fittings.
Storage:
1. Dry storage: When storing nickel alloy pipe fittings, ensure that the storage environment is dry and avoid direct exposure to sunlight or humid places.
2. Avoid stacking: Do not stack heavy objects on fittings to prevent deformation or damage.
Professional maintenance:
1. Regular professional inspections: For critical or high-demand systems, regular inspection and maintenance by professionals is recommended.
Following these maintenance and cleaning precautions can help ensure that nickel alloy pipe fittings maintain optimal performance and corrosion resistance throughout their expected service life.
| Grade | Chemical Composition(%) | Tensile Strength
(Mpa min) | Yield Strength
(Mpa min) | Reduction of Area, min (%) | Elongation
min(%) | Hardness
(HRC) |
| HASTELLOY C-276 | Ni | Co | Cr | Mo | W | P | Fe | 690 MPa min | 283 MPa min | …. | 40% min | HRC 35 max |
| Remainder | 2.5max | 14.5-16.5 | 15.0-17.0 | 3.0-4.5 | 0.04max | 4.0-7.0 |
| Si | Mn | C | V | S | | |
| 0.08max | 1.0max | 0.01max | 0.35max | 0.03max | | |
| HASTELLOY C-22 | Ni | Mo | Cr | Fe | Co | P | W | 690 MPa min | 310 MPa min | …. | 60% min | HRC 41 max |
| Remainder | 12.5-14.5 | 20.0-22.5 | 2.0-6.0 | 2.5max | 0.02max | 2.5-3.5 |
| V | C | Mn | Si | S | | |
| 0.35max | 0.015max | 0.5max | 0.08max | 0.02max | | |
| GRADE | UNS | DENSITY | MELTING RANGE | DIN | GB |
| HASTELLOY C-276 | UNS N10276 | 8.87g/cm³ | 1325-1370°C | W.NR.2.4819 | NS3304 |
| HASTELLOY C-22 | UNS N06022 | 8.69g/cm³ | 1325-1370°C | W.NR.2.4602 | NS3308 |
