Pre-galvanized CHS (Circular Hollow Section) puag ncig cov kav hlau ua raws li BS1387 nrog cov hlua xiav feem ntau siv rau ntau yam kev siv, suav nrog kev txhawb nqa, laj kab, thiab tes tuav. BS1387 tus qauv qhia txog qhov yuav tsum tau ua rau screwed thiab socketed steel hlab thiab tubulars rau lub tiaj kawg steel hlab haum rau vuam los yog rau screwing rau BS 21 yeeb nkab threads. "blue band" qhia tias cov yeeb nkab yog BS1387 qhov nruab nrab.
| Khoom | Pre Galvanized Steel Yeeb Nkab | Specification |
| Khoom siv | Carbon Steel | OD: 20-113 hli Thickness: 0.8-2.2 hli Ntev: 5.8-6.0m |
| Qib | Q195 = S195 | |
| Nto | Zinc txheej 30-100g / m2 | Kev siv |
| Xaus | Plain xaus | Tsev cog khoom steel yeeb nkab Lub laj kab qauv steel yeeb nkab Rooj tog steel yeeb nkab Fitness khoom steel yeeb nkab |
| Los yog Threaded xaus |
Ntim thiab xa khoom:
Ntim Cov Lus Qhia: nyob rau hauv hexagonal seaworthy bundles packed los ntawm steel strips, Nrog ob nylon slings rau txhua bundles.
Kev Qhia Txog Tus Me Nyuam: Nyob ntawm QTY, feem ntau ib hlis.
