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Hastelloy C22 is more resistant to local corrosion than Hastelloy 276, which can be understood as the upgraded version of alloy 276
Hastelloy C-22 / UNS N06022 / DIN W. Nr. 2.4602
Hastelloy C 22 Pipe fittings ( Short Radius Elbows , Long Radius Elbows , Concentric Reducers , Eccentric Reducers , Stub Ends , End Caps , Equal Tees , Weldolets , Pipe Nipples .) ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79 , Type Seamless / Welded / Fabricated . Hastelloy C-22 / UNS N06022 / DIN W. Nr. 2.4602
Hastelloy Alloy C-22 Pipe Fittings Specification
Specifications ASTM B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type Seamless / Welded / Fabricated
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade Hastelloy C276 Pipe Fittings UNS (N10276), DIN (2.4819)
Hastelloy C22 Tube Chemical composition :
| % | Ni | Cr | Mo | Fe | W | Co | C | Mn | Si | P | S | V |
| min | balance | 20 | 12.5 | 2 | 2.5 | |||||||
| max | 22.5 | 14.5 | 6 | 3.5 | 2.5 | 0.015 | 0.5 | 0.08 | 0.02 | 0.02 | 0.35 |
| Density | 8.69 g/cm3 |
| Melting range | 1325-1370℃ |
Application:
Available Products and Specifications
INCONEL alloy 22 is designated as UNS N06022 and Werkstoff Nr. 2.4602. Standard product forms include sheet, strip, plate, round bar, flat bar, forging stock, hexagon, and wire. The products are available in a wide range of sizes.
Rod, Bar, Wire and Forging Stock -ASTM B 462 (Rod, Bar and Forging Stock), ASTM B 564 & ASME SB 564 (Forgings), ASTM B 574 & ASME SB 574 (Rod, Bar and Wire), ASME Code Case 2226, ASME Code Case N-621, ISO 9723, ISO 9724, DIN 17752 (Rod & Bar), DIN 17753 (Wire), DIN 17754 (Forgings)
Plate, Sheet and Strip - ASTM B 575/B 906 & ASME SB 575/SB 906, ASME Code Case 2226, ASME Code Case N-621, ISO 6208, DIN 17750
Pipe and Tube - ASTM B 619/B 775 & ASME SB 619/SB 775 (Welded Pipe), ASTM B 622/B 829 & ASME SB 622/SB 829 (Seamless Tube), ASTM B 626/B 751 & ASME SB 626/SB 751 (Welded Tube), ASME Code Case 2226, ASME Code Case N-621, ISO 6207, DIN 17751
Welding Products - INCONEL Filler Metal 622 - AWS A5.14 / ERNiCrMo-10, INCONEL Welding Electrode 622 - AWS A5.11 / ENiCrMo-10
Other Product Forms - ASTM B 366 & ASME SB-366 (Fittings)
Composition - DIN 17744
This alloy has the following properties:
Hastelloy C22 alloy has good resistance to pitting, crevice corrosion and stress corrosion cracking. It has excellent anti-oxidation ability in water medium, including wet chlorine, nitric acid or mixed acid containing oxidizing acid of chloride ion. At the same time, Hastelloy C22 alloy also has the ideal resistance to the reduction and oxidation environment encountered in the process. Depending on this universal performance, it can be used in some headache environments, or in a variety of production purpose factories. Hastelloy C22 alloy has abnormal resistance to various chemical environments, including strong oxidizing substances, such as ferric chloride, copper chloride, chlorine, thermal pollution solution (organic and inorganic), formic acid, acetic acid, acetic anhydride, sea water and salt solution, etc. Hastelloy C22 alloy has the ability to resist the formation of grain boundary precipitation in the heat affected zone of welding, so that it can also adapt to many chemical process applications in the welding state.
