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CEWELD® E Alloy 22H is used for joining and build-up welding on identical or similar high-alloy 0,5%C-28%Cr- 50%Ni-5%W high-temperature cast materials, e.g. M.no. 2.4879 (G-NiCr28W). The main application is centrifugally cast pipes for furnaces in the petrochemical industry with operating temperatures up to 1150°C. Furnace parts, sintering and calcining muffles, cement kiln components resistant to hot abrasion, radiant tubes and pyrolysis coils.
CEWELD® E Alloy 22H is used for joining and build-up welding on identical or similar high-alloy 0,5%C-28%Cr- 50%Ni-5%W high-temperature cast materials, e.g. M.no. 2.4879 (G-NiCr28W). The main application is centrifugally cast pipes for furnaces in the petrochemical industry with operating temperatures up to 1150°C. Furnace parts, sintering and calcining muffles, cement kiln components resistant to hot abrasion, radiant tubes and pyrolysis coils.
CEWELD E Alloy 22H is characterized by a quiet and stable arc. Good slag removability and fine flaky seam pattern. The weld metal is high-temperature resistant with very good creep resistance. High nickel gives the alloy good resistance to carburisation and under oxidising conditions high chromium provides useful resistance to sulphidation
2.4879
G NiCr28W, G-X45NiCrWSi 48 28
Duraloy 22H, Duraloy Super 22H (+2%Co), Paralloy H48T, Centralloy 4879, Marker G4879, Pyrotherm G 28/48/5W,
Cronite HR23, Lloyds T75, Thermax 70, Manaurite 50W, Thermalloy T75
Select low amperage and oscillate only slightly.
Interpass temperature max. 150°C.
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Hardness |
|---|---|---|---|---|
| As Welded | 480 | 650 | 5 | 270 HV |
