I-20 # i-seamless steel pipe ivame ukusebenzisa i-20 # ye-carbon steel ephezulu njengento ekrwada, esemgangathweni ophezulu wekhabhoni ekwazi ukumelana nobushushu obungenamthungo umbhobho wentsimbi oqhelekileyo osetyenziswa kwizakhiwo zokwakha kunye nezakhiwo zoomatshini.

20 # intsimbi inezi mpawu zilandelayo: iplastiki elungileyo kunye ne-weldability eyomeleleyo. Ngenxa yamandla ayo aphantsi, ifanelekile ukucubungula okubandayo kunye nemiboniso engekho phezulu.

20# umbhobho wentsimbi ongenamthungo ungasetyenziswa kula mashishini alandelayo:

1. Kwimibhobho yebhoyili ephantsi kunye nephakathi, umgangatho wokuphunyezwa nguGB 3087, esetyenziselwa ukwenza iityhubhu ze-superheater kunye netyhubhu eludongeni olupholileyo lwamanzi oluphakathi kunye noxinzelelo oluphantsi lwebhoyila (uxinzelelo olusebenzayo ≤5.9 MPa), ezikwiqondo lobushushu eliphezulu (≤480℃) + indawo ye-oxidation yomphunga wamanzi ixesha elide.

2. Imibhobho ye-petroleum fracturing, umgangatho wokuphunyezwa nguGB 9948, esetyenziselwa i-reactors, i-heat exchangers, njl. Iiyunithi zokucoca i-petroleum, ukuqhagamshelana nemidiya ye-acidic (H₂S, CO₂) kunye noxinzelelo oluphezulu (ukuya kwi-15 MPa)

3. Izixhobo zesichumiso esinoxinzelelo oluphezulu, umgangatho wokuphunyezwa nguGB 6479, esetyenziselwa ucinezelo oluphezulu (10 ~ 32 MPa) izixhobo zesichumiso ezifana ne-synthetic ammonia kunye ne-urea, eqhagamshelana neendaba eziyingozi kakhulu (ezifana ne-ammonia yolwelo, i-urea melt)

Imibhobho yentsimbi engenamthungo eshushu eqengqelekayo yokuxhasa ihydraulic, umgangatho wokuphunyezwa nguwoGB/T17396, esetyenziselwa iikholamu zenkxaso ye-hydraulic kunye neejack kwimigodi yamalahle, kunye nokumelana nemithwalo ephezulu yokutshintshiselana (50 ~ 100 MPa) kunye nefuthe lokungcangcazela