20G:GB5310Tšepe e tloaelehileng ea kamohelo ea -95 (sehlopha se tsamaellanang le linaha tse ling: ST45.8 ea Jeremane, STB42 ea Japane, SA106B ea United States), ke phala ea tšepe ea boiler e sebelisoang haholo, sebopeho sa lik'hemik'hale le thepa ea mechini 'me poleiti ea 20 e tšoana hantle. Tšepe e na le matla a itseng mochesong oa kamore le mocheso o mahareng o phahameng, dikahare tse tlase tsa khabone, polasetiki e betere le ho tiea, ts'ebetso ea eona ea ho etsa le ho tjheseletsa e chesa le e batang e ntle. E sebelisoa haholo-holo tlhahisong ea khatello e phahameng le liparamente tse phahameng tsa li-fitting tsa boiler, superheater ea karolo ea mocheso o tlase, reheater, economizer le lebota la metsi, jj. Joalo ka mocheso o monyane oa lebota la phaephe ea bophara ba ≤500℃, le phaephe ea lebota la metsi, tube ea economizer, mocheso o moholo oa lebota la phaephe ea bophara ba ≤450℃, lebokose la pokello (economizer, lebota la metsi, superheater ea mocheso o tlase le lebokose la ho kopanya reheater), lisebelisoa tsa phaephe ea mocheso o mahareng ≤450℃. Hobane tšepe ea carbon e tla hlahisa graphitization ts'ebetsong ea nako e telele ka holimo ho 450℃, kahoo mocheso o phahameng ka ho fetisisa oa tšebeletso ea nako e telele oa phaephe ea bokaholimo ba ho futhumatsa o lekanyelitsoe ho tlase ho 450℃. Tšepe e boemong bona ba mocheso, matla a eona a ka fihlela litlhoko tsa phaephe ea superheater le mouoane, 'me e na le khanyetso e ntle ea oxidation, plasticity, ho tiea, thepa ea ho tjheseletsa le thepa e meng ea ho sebetsana le serame le ho chesa li ntle haholo, li sebelisoa haholo. Likarolo tsa tšepe tse sebelisoang ka ontong ea Iran (ho buuoa ka sete e le 'ngoe) ke phaephe ea ho kena ka metsi (lithane tse 28), phaephe ea ho kena ka metsi (lithane tse 20), phaephe ea khokahano ea mouoane (lithane tse 26), setshelo sa economizer (lithane tse 8), le sistimi ea ho fokotsa metsi (lithane tse 5), 'me tse ling kaofela li sebelisoa e le tšepe e bataletseng le thepa ea derrick (lithane tse ka bang 86).

Sa-210c (25MnG) : Nomoro ea tšepe ka hareASME SA-210e tloaelehileng. Ke tube e nyane e bophara ba tšepe ea carbon manganese bakeng sa liboiler le li-superheater, le tšepe e matla e chesang e nang le sebopeho sa perela. Ka 1995, e ile ea fetisetsoa ho GB5310 'me ea rehoa 25MnG. Sebopeho sa eona sa lik'hemik'hale se bonolo, ntle le khabone e phahameng le manganese, tse ling kaofela li tšoana le 20G, kahoo matla a tlhahiso a ka ba 20% ho feta 20G, 'me polasetiki le ho tiea li tšoana le 20G. Ts'ebetso ea tlhahiso ea tšepe e bonolo 'me ts'ebetso ea eona ea ho sebetsa e batang le e chesang e ntle. Ho e sebelisa ho e-na le 20G, ho ka fokotsa botenya ba lebota, ho fokotsa bongata ba thepa, empa hape ho ka ntlafatsa phetisetso ea mocheso oa boiler. Likarolo tsa eona tsa tšebeliso le mocheso oa tšebeliso li tšoana hantle le 20G, haholo-holo li sebelisetsoa mocheso o sebetsang ka tlase ho lebota la metsi la 500℃, economizer, superheater ea mocheso o tlase le likarolo tse ling.
Sa-106c: Ke nomoro ea tšepe hoASME SA-106tekanyetso. Ke tube ea tšepe ea carbon-manganese bakeng sa liboiler tse kholo tse nang le bophara bo phahameng le li-superheater. Sebopeho sa eona sa lik'hemik'hale se bonolo, se tšoana le tšepe ea carbon ea 20G, empa bokaholimo ba carbon le manganese bo phahame, kahoo matla a eona a tlhahiso a ka ba 12% ho feta 20G, 'me ho tiea ha polasetiki ha ho mpe. Ts'ebetso ea tlhahiso ea tšepe e bonolo 'me ts'ebetso ea eona ea ho sebetsa e batang le e chesang e ntle. Ha u e sebelisa ho e-na le pokello ea tlhahiso ea 20G (economizer, lebota la ho pholisa metsi, superheater ea mocheso o tlase le lebokose la ho kopanya la reheater), botenya ba lebota bo ka fokotsoa ka hoo e ka bang 10%, e leng se ke keng sa boloka litšenyehelo tsa thepa feela, empa hape se fokotsa mosebetsi oa ho tjheseletsa, le ho ntlafatsa phapang ea khatello ha lebokose la ho kopanya le qala.
15Mo3 (15MoG): Ke phaephe ea tšepe ka mokhoa oa DIN17175. Ke phaephe e nyane ea tšepe ea carbon molybdenum e bophara bo nyane bakeng sa boiler le superheater, le tšepe ea mofuta oa pearlescent e 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 e na le molybdenum, kahoo e na le matla a mocheso a betere ho feta tšepe ea carbon ha e ntse e boloka ts'ebetso e tšoanang le ea tšepe ea carbon. Ka lebaka la ts'ebetso ea eona e ntle, theko e tlase, e 'nile ea sebelisoa haholo lefatšeng. Leha ho le joalo, tšepe e na le tšekamelo ea ho sebelisa graphitization kamora ts'ebetso ea nako e telele mochesong o phahameng, kahoo mocheso oa eona oa ts'ebetso o lokela ho laoloa ka tlase ho 510℃, 'me bongata ba Al bo ekelitsoeng ho qhibilihisoeng bo lokela ho lekanyetsoa ho laola le ho liehisa ts'ebetso ea graphitization. Phaephe ena ea tšepe e sebelisoa haholo bakeng sa superheater ea mocheso o tlase le reheater ea mocheso o tlase. Mocheso oa lebota o ka tlase ho 510℃. Sebopeho sa yona sa dikhemikhale C0.12-0.20, SI0.10-0.35, MN0.40-0.80, S≤0.035, P≤0.035, MO0.25-0.35; Boemo bo tlwaelehileng ba matla σs≥270-285, σb≥450-600 MPa; Plastiki ya delta 22 kapa ho feta.