1 / 4 Inch Nickel Alloy Tube Welded Coiled Tubing With Bright Annealed Surface
1 / 4 Inch Nickel Alloy Welded Coiled Tubing With Bright Annealed Surface
Grade: Alloy 625/UNS N06625, Alloy 825/UNS N08825 etc.
Standard: ASTM B704, ASTM B751
OD: 2.38-25.4mm
WT: 0.51-2.65mm
Length: ＜10000 m/coil
Alloy 625 Chemical composition
| % | Ni | Cr | Mo | Fe | C | Mn | Si | P | S | Co | Nb+Ta | Al | Ti |
| min | 58.0 | 20.0 | 8.0 | 3.15 | |||||||||
| max | 23.0 | 10.0 | 5.0 | 0.10 | 0.50 | 0.50 | 0.015 | 0.015 | 1.00 | 4.15 | 0.40 | 0.40 |
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 |
Features: Alloy 625 has excellent strength at temperatures up to 816℃. At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys. Alloy 625 has good oxidation resistance at temperatures up to 980℃ and shows good resistance to aqueous corrosion, but is relatively moderate compared to other more capable corrosion resistant alloys.
Features: 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℃.
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