Tuubada kuleyliyaha waa furan tahay labada daraf waxayna leedahay qayb godan, dhererka iyo hareeraha birta weyn, sida waafaqsan hababka wax soo saarka waxaa loo qaybin karaa tuubo bir ah oo aan kala go 'lahayn iyo tuubo bir ah oo la xiiray, qeexitaanka tuubo bir ah oo leh cabbir guud (sida dhexroorka ama dhererka) iyo dhumucda derbiga, ayaa sheegay in cabbirka cabbirkiisu aad u ballaaran yahay, laga bilaabo xidid yar oo dhexroor ah ilaa dhowr mitir oo dhexroor ah, tuubo dhexroor weyn.

Tuubooyinka birta ah waxaa loo isticmaali karaa tuubooyinka, qalabka kuleylka, warshadaha mashiinnada, sahaminta juqraafiga batroolka, weelasha, warshadaha kiimikada iyo ujeedooyin gaar ah.

(1) Bir tayo sare leh oo kaarboon ah oo qaab-dhismeedkeedu yahay 20G, 20MnG, 25MnG.

(2) Birta qaab-dhismeedka birta 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, iwm.

Tuubada kuleyliyaha waxaa loo qaybiyaa laba qaybood:GB/T3087-2018Tuubada kuleeliyaha cadaadiska dhexe iyo kan hoose,GB/T5310-2018Tuubada kuleyliyaha ee cadaadiska sare leh. Badeecadaha ugu muhiimsan waxaa ka mid ah:

ASTMA210(A10M)-2012Kuleyliyaha birta kaarboon dhexdhexaadka ah iyo tuubo bir ah oo aan kala go 'lahayn, walaxda ugu weyn waa SA210 GrA1, SA210GrC;

ASME SA106/SA-106M-2015, agabka ugu muhiimsan waa GR.B gr.C;

ASME/SA SA – 213-213 – m, walxaha caadiga ah ee daawaha: T11, T12, T22 iyo T23, T91, P92, T5, T5b, T9, T21, T22, T17;

ASTM A335 / A335M – 2018, agabka ugu muhiimsan waa: P11, P12, P22, P5, P9, P23, P91, P92, P2, iwm.