Cov yeeb nkab hlau thiab cov yeeb nkab seamless muaj kev sib raug zoo thiab qhov sib txawv, tsis tuaj yeem tsis meej pem. Cov yeeb nkab hlau yog cov yeeb nkab hlau raws li cov khoom siv tsim khoom (uas yog, cov khoom siv) los txhais, raws li lub npe qhia yog ua los ntawm cov yeeb nkab hlau; Cov yeeb nkab seamless yog txhais raws li cov txheej txheem tsim khoom (seamless) ntawm cov yeeb nkab hlau, uas txawv ntawm cov yeeb nkab seamless yog cov yeeb nkab welded, suav nrog cov yeeb nkab ncaj seam welded thiab cov yeeb nkab kauv.

A335P5 hlau yeeb nkab yog cov yeeb nkab hlau feem ntau yog siv rauboiler siab qis thiab nruab nrab(kev ua haujlwm siab feem ntau tsis pub tshaj 5.88Mpa, qhov kub ua haujlwm qis dua 450 ℃) cua sov yeeb nkab nto; Siv raulub boiler siab(kev ua haujlwm siab feem ntau yog siab dua 9.8Mpa, qhov kub ua haujlwm ntawm 450 ℃ ~ 650 ℃) cov yeeb nkab cua sov, lub tshuab txuag hluav taws xob, lub tshuab ua kom sov siab, lub tshuab ua kom sov dua, cov yeeb nkab kev lag luam petrochemical, thiab lwm yam.

Lwm cov ntaub ntawv yog: 16-50Mn, 27SiMn, 40Cr, Cr5Mo, 12Cr1MoV, 12Cr1MovG, 15CrMo, 15CrMoG, 15CrMoV, 13CrMo44, T91, 27SiMn, 25CrMo, 30CrMo, 35CrMo, 35CrMoV, 40CrMo, 45CrMo, Cr9Mo, 10CrMo910, 15Mo3,A335P11,P22, P91, T91.