20G:GB5310-95 standard steel steel (mophato o tsamaellanang le kantle ho naha: ST45.8 ea Jeremane, STB42 ea Japane, United States SA106B), ke peipi ea tšepe e sebelisoang ka ho fetesisa ea boiler, sebopeho sa lik'hemik'hale le thepa ea mochini le poleiti ea 20 e ts'oana. Tšepe e na le matla a itseng mochesong oa kamore le mocheso o phahameng o bohareng, lik'habone tse tlaase, polasetiki e ntle le ho tiea, ho chesa le ho bata ha ho etsoa le ts'ebetso ea welding e ntle. E sebelisoa haholo-holo ha ho etsoa likhatello tse phahameng le likarolo tse phahameng tsa lisebelisoa tsa boiler, karolo ea mocheso o tlase oa mocheso, reheater, economizer le lebota la metsi, joalo-joalo joalo ka mocheso o monyenyane oa bophara ba phala ea lebota ≤500 ℃ phala e futhumatsang holim'a metsi, le phala ea metsi ea lebota, tube ea economizer, mocheso o moholo oa phala ea lerako ≤450 ℃ pipeline ea mouoane, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokose la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokoso la metsi a tlaase, lebokose la metsi a tlaase ≤450℃ lisebelisoa tsa liphaephe. Hobane tšepe ea carbon e tla hlahisa graphitization ts'ebetsong ea nako e telele ka holimo ho 450 ℃, kahoo mocheso oa nako e telele oa tšebeletso ea mocheso oa mocheso oa mocheso o ka tlaase ho 450 ℃. Tšepe sebakeng sena sa mocheso, matla a eona a ka finyella litlhoko tsa lipeipi tsa superheater le mouoane, 'me e na le khanyetso e ntle ea oxidation, polasetiki, thata, thepa ea ho tjheseletsa le thepa e meng e batang le e chesang ea ho sebetsa e ntle haholo, e sebelisoa haholo. Likarolo tsa tšepe tse sebelisitsoeng seboping sa Iran (ho bua ka sete e le 'ngoe) ke phala e kenang ea metsi (lithane tse 28), phala e kenang metsi (lithane tse 20), phala ea khokahano ea mouoane (lithane tse 26), sejana sa economizer (lithane tse 8), le sistimi e fokotsang metsi (lithane tse 5), 'me tse ling kaofela li sebelisoa joalo ka tšepe e bataletseng le lisebelisoa tsa derrick (hoo e ka bang 86).

Sa-210c (25MnG) : Nomoro ea tšepe ka hareASME SA-210maemo. Ke tube e nyane ea bophara ba tšepe ea manganese ea carbon bakeng sa li-boilers le li-superheaters, le tšepe e matla e chesang e nang le sebopeho sa perela. Ka 1995, e ile ea fetisetsoa ho GB5310 'me ea rehoa 25MnG. Lik'hemik'hale tsa eona tsa lik'hemik'hale li bonolo, ntle le lik'hemik'hale tse phahameng tsa carbon le manganese, tse ling kaofela li tšoana le 20G, kahoo matla a lihlahisoa a ka bang 20% ​​ho feta 20G, 'me polasetiki le boima bo tšoana le 20G. Ts'ebetso ea tlhahiso ea tšepe e bonolo 'me ts'ebetso ea eona e batang le e chesang e sebetsa e ntle. Ho e sebelisa sebakeng sa 20G, ho ka fokotsa botenya ba lerako, ho fokotsa bongata ba lisebelisoa, empa hape ho ka ntlafatsa phetisetso ea mocheso oa boiler. Likarolo tsa tšebeliso ea eona le mocheso oa tšebeliso ha e le hantle li tšoana le 20G, haholo-holo e sebelisetsoang mocheso o sebetsang o ka tlase ho 500 ℃ lebota la metsi, economizer, mocheso o tlase oa mocheso o phahameng le likarolo tse ling.
Sa-106c: Ke nomoro ea tšepe hoASME SA-106maemo. Ke tube ea tšepe ea carbon-manganese bakeng sa li-boilers tsa bophara bo boholo ba mocheso o phahameng le li-superheaters. Sebopeho sa eona sa lik'hemik'hale se bonolo, se tšoana le 20G carbon steel, empa litaba tsa carbon le manganese li phahame, kahoo matla a eona a lihlahisoa a ka bang 12% ho feta 20G, 'me polasetiki, boima ha bo bobe. Ts'ebetso ea tlhahiso ea tšepe e bonolo 'me ts'ebetso ea eona e batang le e chesang e sebetsa e ntle. Ho e sebelisa ho e-na le mokelli oa tlhahiso ea 20G (economizer, lebota la ho futhumatsa metsi, mocheso o tlase oa mocheso oa mocheso le lebokose la ho kopanya reheater), botenya ba lebota bo ka fokotsoa ka hoo e ka bang 10%, e ke keng ea boloka litšenyehelo tsa thepa feela, empa hape e fokotsa mosebetsi oa ho tjheseletsa, le ho ntlafatsa phapang ea khatello ea kelello ha lebokose la ho kopanya le qala.
15Mo3 (15MoG) : Ke phala ea tšepe ka mokhoa o tloaelehileng oa DIN17175. Ke tube e nyane ea bophara ba carbon molybdenum bakeng sa boiler le superheater, le mofuta oa pearlescent tšepe ea matla a chesang. Ka 1995, e ile ea fetisetsoa ho GB5310 'me ea rehoa 15MoG. Sebopeho sa eona sa lik'hemik'hale se bonolo, empa se na le molybdenum, kahoo se na le matla a molemo a mocheso ho feta carbon steel ha se ntse se boloka ts'ebetso e tšoanang le ea carbon steel. Ka lebaka la ts'ebetso ea eona e ntle, theko e tlaase, e 'nile ea sebelisoa haholo lefatšeng. Leha ho le joalo, tšepe e na le tšekamelo ea ho graphitization ka mor'a ts'ebetso ea nako e telele ka mocheso o phahameng, kahoo mocheso oa eona oa ts'ebetso o lokela ho laoloa ka tlase ho 510 ℃, 'me palo ea Al e kenyelletsoeng ka ho qhibiliha e lokela ho lekanyetsoa ho laola le ho lieha ts'ebetso ea graphitization. Tube ena ea tšepe e sebelisoa haholo bakeng sa mocheso o tlase oa mocheso le mocheso o tlase oa ho futhumatsa mocheso. Thempereichara ea lebota e ka tlase ho 510 ℃. Sebopeho sa eona sa lik'hemik'hale C0.12-0.20, SI0.10-0.35, MN0.40-0.80, S≤0.035, P≤0.035, MO0.25-0.35; Boemo bo tloaelehileng ba matla σs≥270-285, σb≥450-600 MPa; Plastiki Delta 22 kapa ho feta.