I-HASTELLOYC4iyi-alloy eyakhiwe yi-nickel, i-chromium, ne-molybdenum. Ibhekwa kakhulu njenge-alloy eguquguqukayo kakhulu yokulwa nokugqwala. Le alloy ibonisa ukumelana nokwakheka kwemingcele yokusanhlamvu lapho ifakwa ekushiseni kokushisela, okwenza ifanelekele ukusetshenziswa kwezinqubo zamakhemikhali ezahlukahlukene esimweni sayo sokushisela. Ngaphezu kwalokho, i-Alloy C4 ikhombisa ukumelana okuvelele ekuqhekekeni, ekuqhekekeni kokucindezeleka nokugqwala, kanye nasemkhathini okhipha i-oxidizing kuze kufike ku-1900°F. Inamandla okumelana okungavamile nezindawo eziningi zamakhemikhali.
IZICELO:
1. Imboni yephepha: Izitsha zokugaya kanye nezitshalo ze-bleach.
2. Izindawo zegesi emuncu: Izingxenye ezivezwe yigesi emuncu.
3. Izitshalo zokususa i-flue-gas: Imishini esetshenziswa ezitshalweni zokususa i-flue-gas.
4. Izindawo ze-asidi ye-sulfuric: Ama-evaporator, ama-heat exchanger, ama-filters, kanye nama-mixer asetshenziswa ezindaweni ze-asidi ye-sulfuric.
5. Ama-reactor e-sulfuric acid: Imishini esetshenziswa kuma-reactor e-sulfuric acid.
6. Inqubo ye-chloride engokwemvelo: Imishini esetshenziswa enqubweni ye-chloride engokwemvelo.
7. Izinqubo ze-Halide noma i-acid catalyst: Imishini esetshenziswa ezinqubweni ezisebenzisa i-halide noma i-acid catalysts.
| Ibanga | C276 | C22 | C4 | B3 | N | ||
| Amakhemikhali Ukwakheka (%) | C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
| Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 | |
| Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 | |
| P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | – | ≤0.015 | |
| S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | – | ≤0.02 | |
| Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 | |
| Ni | ukuphumula | ukuphumula | ukuphumula | ukuphumula | ≥65 | ukuphumula | |
| Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 | |
| I-Ti+Cu | – | – | ≤0.7 | – | ≤0.4 | ≤0.35 | |
| I-Al+Ti | – | – | – | – | ≤0.5 | ≤0.5 | |
| Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 | |
| Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 | |
| B | – | – | – | – | – | ≤0.01 | |
| W | 3-4.5 | 2.5-3.5 | – | – | ≤3 | ≤0.5 | |
| V | ≤0.35 | ≤0.35 | – | 0.2-0.4 | – | ≤0.5 | |
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