420 insimbi engagqwali plateingeyensimbi engagqwali ye-martensitic, enokumelana nokugqokwa okuthile nokumelana nokugqwala, ubulukhuni obuphezulu, futhi intengo iphansi kunezinye izici zensimbi engagqwali.Ishidi lensimbi engu-420 lifanele zonke izinhlobo zemishini enembile, amabhere, izinto zikagesi, okokusebenza, amathuluzi, amamitha, izimoto, izinto zikagesi zasendlini, njll. Insimbi engagqwali engu-420 nayo isetshenziswa kakhulu ekwenzeni izingxenye ezimelana nomkhathi, umhwamuko wamanzi, amanzi kanye ne-oxidative acid corrosion.
I-China 420 i-stainless steel sheet executive standard:
I-GB/T 3280-2015 “Ishidi Lensimbi Eligoqiwe Elibandayo Lensimbi Engenasici”
I-GB/T 4237-2015 “I-Stainless steel hot-rolled steel plate and strip”
I-GB/T 20878-2007 “Insimbi engagqwali kanye namabanga ensimbi angashisi nokwakheka kwamakhemikhali”
Ipuleti lensimbi engama-420 eChina:
Amabanga amasha: 20Cr13, 30Cr13, 40Cr13.
Amabanga amadala: 2Cr13, 3Cr13, 4Cr13.
Izici nokusetshenziswa kweshidi lensimbi ye-420 yaseChina:
I-20Cr13 insimbi engagqwali: ubulukhuni obuphezulu esimweni sokucisha, ukumelana nokugqwala okuhle.Okwama-steam turbine blades.
I-30Cr13 insimbi engagqwali: Iqinile kune-20Cr13 ngemuva kokucisha, isetshenziswa njengamathuluzi okusika, ama-nozzles, izihlalo zamavalvu, ama-valve, njll.
I-40Cr13 insimbi engagqwali: Iqinile kune-30Cr13 ngemuva kokucisha, isetshenziswa njengamathuluzi okusika, ama-nozzles, izihlalo zamavalvu, ama-valve, njll.
Isikhathi sokuthumela: Jul-31-2023