Tuubada daawaha iyo tuubada aan kala go'a lahayn labaduba waxay leeyihiin xidhiidh iyo farqi, lama jahawareerin karo.Dhuumaha Alloy waa bir bir ah oo waafaqsan walxaha wax soo saarka (taas oo ah, walxo) si loo qeexo, sida magacu soo jeedinayo inuu ka samaysan yahay tuubo daawaha;Tuubooyin aan kala go 'lahayn waxaa lagu qeexaa si waafaqsan habka wax soo saarka (xarun la'aanta) ee tuubada birta, taas oo ka duwan tuubooyinka aan fiicnayn waa tuubo welded, oo ay ku jiraan tollayn toosan tube welded iyo tuubada wareegyada.

A335P5 aluminium bir bir ah waxaa iska leh tuubada daawaha waxaa inta badan loo isticmaalaaKuleyliyaha cadaadiska hooseeya iyo dhexdhexaadka ah(cadaadiska shaqadu guud ahaan kama badna 5.88Mpa, heerkulka shaqada ee ka hooseeya 450 ℃) tuubada dusha sare ee kululaynta;loo isticmaalokululeeyaha cadaadiska sare(cadaadiska shaqadu guud ahaan wuu ka sarreeyaa 9.8Mpa, heerkulka shaqada ee u dhexeeya 450 ℃ ~ 650 ℃) tuubada kululaynta, economizer, superheater, reheater, beebka warshadaha petrochemical, iwm.

Qalabka kale waa: 16-50Mn,27SiMn,40Cr,Cr5Mo,12Cr1MoV,12Cr1MovG,15CrMo,15CrMoG,15CrMoV,13CrMo44,13CrMo44,T725M,T91M 35CrMo,35CrMoV,40CrMo,45CrMo,Cr9Mo,10CrMo910,15Mo3,A335P11, P22, P91, T91.