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Alloy 825/UNS N08825 Corrosion Resistance Geothermal Coiled Tubing for Flowline Control
| Grade | Alloy 825/N08825, Alloy 625 /N06625, Alloy 400/ N04400, 2205, 2507, TP316/L, TP304/L, etc |
| Type | Welded |
| Hole count | Single/Multi Core |
| Outer diameter | 4mm-25mm |
| Wall thickness | 0.3mm-2.5mm |
| Length | According to customers’ needs, up to 33000fts/coil |
| Standard | ASTM A269/A213/A789/B704/B163,etc. |
| Certificate | ISO/CCS/DNV/BV/ABS, etc. |
| Inspection | NDT; Hydrostatic test |
| Package | Wooden or iron reel |
Nickel Alloy 825 Chemical composition
| % | Ni | Fe | Cr | C | Mn | Si | S | Mo | Cu | Ti | Al |
| min | 38.0 | 22.0 | 19.5 | 2.5 | 1.5 | 0.60 | |||||
| max | 46.0 | 23.5 | 0.05 | 1.00 | 0.50 | 0.030 | 3.5 | 3.0 | 1.20 | 0.20 |
Physical properties
| Density | 8.14 g/cm3 |
| Melting range | 1370-1400℃ |
| | |
Features: Nickel alloy 825 has excellent resistance to chloride-ion-induced stress corrosion cracking, reducing environments containing phosphoric and sulfuric acids, oxidizing environments containing nitric acid and nitrates, and pitting, crevice corrosion and intergranular corrosion. It has good mechanical properties at cryogenic temperatures to moderately high temperatures up to 538℃.
Applications: Chemical process industry, acid production, pickling equipment, pollution control equipment.