HASTELLOYC4yingxubevange eyenziwe ngeNickel, chromium, kunye nemolybdenum. Ithathwa kakhulu njengeyona ingxubevange yealloyi yokulwa ukubola. Le ingxubevange ibonisa ukuxhathisa ekubunjweni komda okuziinkozo precipitates xa ziphantsi ubushushu welding, okwenza ukuba ilungele izicelo ezahlukeneyo inkqubo imichiza kwimeko yayo welded. Ukongeza, i-alloyC4ibonisa ukuxhathisa okubalaseleyo emigodini, ukuqhekeka koxinzelelo, kunye ne-oxidizing atmosphere ukuya kuthi ga kwi-1900 ° F. Inoxhathiso olukhethekileyo kuluhlu olubanzi lwemekobume yeekhemikhali.
IZICELO:
I-1.Ishishini lePhepha: I-Digesters kunye nezityalo ze-bleach.
2.Ubume berhasi emuncu: Izixhobo ezivezwe kwirhasi emuncu.
3.Izityalo ze-flue-gas desulfurization: Izixhobo ezisetyenziswa kwizityalo ze-flue-gas desulfurization.
I-4.Iindawo ze-asidi ye-Sulfuric: I-evaporators, i-heater exchangers, izihlungi, kunye nabaxube abasetyenziswa kwiindawo ze-sulfuric acid.
I-5.I-asidi ye-sulfuric reactors: Izixhobo eziqeshwe kwii-asidi ze-sulfuric.
I-6.Inkqubo ye-chloride ye-Organic: Izixhobo ezisetyenziswa kwinkqubo ye-organic chloride.
I-7.I-Halide okanye iinkqubo ze-acid catalyst: Izixhobo eziqeshwe kwiinkqubo ezisebenzisa i-halide okanye i-acid catalysts.
IBanga | C276 | C22 | C4 | B3 | N | ||
Ikhemikhali Ukuqamba (%) | 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 | phumla | phumla | phumla | phumla | ≥65 | phumla | |
Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 | |
Ti+Cu | - | - | ≤0.7 | - | ≤0.4 | ≤0.35 | |
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 |