Cov yam ntxwv ntawm cov yeeb nkab hlau tsis sib haum

1 Cov yeeb nkab hlau tsis muaj qhov txuasmuaj qhov zoo dua nyob rau hauv qib ntawm kev tiv taus kev khoov.

2 Seamless Rajyog sib dua hauv qhov hnyav thiab yog ib qho hlau seem pheej yig heev.

3 Cov yeeb nkab tsis muaj qhov txuasmuaj kev tiv thaiv corrosion zoo heev, tiv taus acid, alkali, ntsev thiab atmospheric corrosion, kub siab tiv taus, cuam tshuam zoo thiab qaug zog tiv taus, tsis tas yuav saib xyuas tas li, lub neej ua haujlwm zoo txog li 15 xyoos lossis ntau dua.

4 Lub zog tensile ntawm cov yeeb nkab hlau tsis muaj qhov sib txuas yog ntau dua 8-10 npaug ntawm cov hlau ib txwm muaj, qhov modulus ntawm elasticity zoo dua li cov hlau, thiab nws muaj kev tiv thaiv zoo heev, kev tiv thaiv corrosion thiab kev poob siab.

5 Cov yeeb nkab hlau tsis muaj qhov txuasmuaj cov khoom siv kho tshuab zoo heev thiab yooj yim rau tshuab.

6 Cov yeeb nkab hlau tsis muaj qhov tsis sib xws siab elasticity, siv dua hauv cov khoom siv kho tshuab, tsis muaj kev nco, tsis muaj kev hloov pauv, thiab tiv thaiv zoo li qub.

7 Cov yeeb nkab hlau tsis muaj qhov tsis sib xws yog tus cwj pwm los ntawm kev kam rau me me ntawm qhov loj me sab nraud, qhov tseeb siab, me dua sab nraud, me dua sab hauv, qhov zoo ntawm qhov chaw, zoo tiav thiab phab ntsa tuab sib xws.

8 Cov yeeb nkab hlau tsis muaj qhov tsis sib xws muaj lub zog siab los tiv taus qhov siab, tuaj yeem siv rau kev ua haujlwm siab thiab qis, thiab yuav tsis tsim cov pa npuas lossis cua xau thaum siv.

9 Cov yeeb nkab hlau tsis muaj seamless kuj muaj kev rwb thaiv tsev zoo thiab acoustic, tuaj yeem ua txhua yam kev hloov pauv nyuaj thiab kev kho mob tob tob.