Ipuleti lensimbi engagqwali engu-904iwuhlobo lwensimbi engagqwali ye-austenitic enokuqukethwe okuphansi kakhulu kwekhabhoni kanye nokuhlanganiswa okuphezulu okwenzelwe izindawo ezinezimo zokugqwala ezinzima. Inokumelana nokugqwala okungcono kune-316L kanye ne-317L, ngenkathi icabangela kokubili intengo kanye nokusebenza. Inani elihle lemali. Ngenxa yokwengezwa kwethusi elingu-1.5%, inokumelana nokugqwala okuhle kakhulu ngokumelene nama-asidi ancishisiwe njenge-sulfuric acid kanye ne-phosphoric acid. Iphinde ibe nokumelana nokugqwala okuhle kakhulu ngokumelene nokugqwala kokucindezeleka, umgodi kanye nokugqwala okubangelwa ama-ion ayinkimbinkimbi, futhi inokumelana okuhle nokugqwala kwe-intergranular. Ku-sulfuric acid emsulwa ebangeni lokuhlushwa elingu-0-98%, izinga lokushisa le-904L steel plate lingafinyelela kuma-degrees Fahrenheit angu-40.
Ku-asidi emsulwa ebangeni lokuhlushwa elingu-0-85%, ukumelana kwayo nokugqwala kuhle kakhulu. Ku-asidi ye-phosphoric yezimboni ekhiqizwa yizinqubo ezimanzi, ukungcola kunomthelela omkhulu ekumelaneni nokugqwala. Phakathi kwazo zonke izinhlobo zama-asidi, insimbi engagqwali engu-904L super austenitic inokumelana nokugqwala okungcono kunensimbi engagqwali evamile. Ku-asidi ye-nitric enamandla oxidiza, insimbi engagqwali engu-904L inokumelana nokugqwala okuphansi kunezinsimbi ezixutshwe kakhulu ezingenayo isiliva. Ku-asidi ye-hydrochloric, ukusetshenziswa kweAmapuleti ensimbi engagqwali angu-904Lkukhawulelwe ekugxilweni okuphansi okungu-1-2%.
Ku-asidi emsulwa ebangeni lokuhlushwa elingu-0-85%, ukumelana kwayo nokugqwala kuhle kakhulu. Ku-asidi ye-phosphoric yezimboni ekhiqizwa yizinqubo ezimanzi, ukungcola kunomthelela omkhulu ekumelaneni nokugqwala. Phakathi kwazo zonke izinhlobo zama-asidi, insimbi engagqwali engu-904L super austenitic inokumelana nokugqwala okungcono kunensimbi engagqwali evamile. Ku-asidi ye-nitric enamandla oxidiza, insimbi engagqwali engu-904L inokumelana nokugqwala okuphansi kunezinsimbi ezixutshwe kakhulu ezingenayo isiliva. Ku-asidi ye-hydrochloric, ukusetshenziswa kweAmapuleti ensimbi engagqwali angu-904Lkukhawulelwe ekugxilweni okuphansi okungu-1-2%.
| Ibanga | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 904L | Umkhawulo ongu-0.020 | Ubuningi obungu-2.00 | Umkhawulo ongu-1.00 | Umkhawulo ongu-0.040 | Umkhawulo ongu-0.030 | 19.00 – 23.00 | 4.00 – 5.00 ubuningi | 23.00 – 28.00 | 1.00 – 2.00 |
Isikhathi sokuthunyelwe: Meyi-23-2024