904 ndiro yesimbi isina nguraImhando yesimbi isina ngura ye austenitic ine kabhoni shoma uye alloying yakawanda yakagadzirirwa nzvimbo dzine mamiriro akaomarara ekuora. Inodzivirira ngura zviri nani pane 316L ne317L, uku tichifunga nezvemutengo uye mashandiro ayo. Kukosha kwakanaka. Nekuda kwekuwedzera 1.5% copper, ine ngura yakanaka inodzivirira kuderedza acids dzakadai se sulfuric acid ne phosphoric acid. Inodzivirirawo ngura zvakanyanya inodzivirira stress corrosion, pitting uye crevice corrosion inokonzerwa nema complex ions, uye inodzivirira zvakanaka corrosion pakati pe granular. Mu sulfuric acid yakachena iri pakati pe 0-98%, tembiricha ye 904L steel plate inogona kusvika 40 degrees Fahrenheit.
Muasidhi yakachena iri pakati pe0-85%, ngura yayo inodzivirirwa zvakanaka. Muindustrial phosphoric acid inogadzirwa nemaitiro emvura, tsvina ine simba guru pakurwisa ngura. Pakati pemarudzi ese emaacids, 904L super austenitic stainless steel ine simba riri nani pakurwisa ngura pane simbi isingatsvi yakajairika. Mu nitric acid ine oxidizing yakasimba, 904L stainless steel ine simba shoma pakurwisa ngura pane simbi dzakasanganiswa zvakanyanya dzisina sirivha. Mu hydrochloric acid, kushandiswa kweMaplate esimbi asina ngura e904Linongogumira pahuwandu hwakaderera hwe1-2%.
Muasidhi yakachena iri pakati pe0-85%, ngura yayo inodzivirirwa zvakanaka. Muindustrial phosphoric acid inogadzirwa nemaitiro emvura, tsvina ine simba guru pakurwisa ngura. Pakati pemarudzi ese emaacids, 904L super austenitic stainless steel ine simba riri nani pakurwisa ngura pane simbi isingatsvi yakajairika. Mu nitric acid ine oxidizing yakasimba, 904L stainless steel ine simba shoma pakurwisa ngura pane simbi dzakasanganiswa zvakanyanya dzisina sirivha. Mu hydrochloric acid, kushandiswa kweMaplate esimbi asina ngura e904Linongogumira pahuwandu hwakaderera hwe1-2%.
| Giredhi | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 904L | 0.020 yakakwira | 2.00 yakakwira | 1.00 yakakwira | 0.040 yakakwira | 0.030 yakakwira | 19.00 – 23.00 | 4.00 – 5.00 zvakakwirira | 23.00 – 28.00 | 1.00 – 2.00 |
Nguva yekutumira: Chivabvu-23-2024