| Khoom | Seamless Steel Yeeb Nkab | Specification |
| Khoom siv | Carbon Steel | OD: 13.7-610mm Thickness: sch40 sch80 sch160 Ntev: 5.8-6.0m |
| Qib | Q235 = A53 Qib B L245 = API 5L B / ASTM A106B | |
| Nto | Dub pleev xim rau | Kev siv |
| Xaus | Plain xaus | Roj / Gas xa khoom steel yeeb nkab |
| Los yog Beveled xaus |
Seamless steel kav yog tsim los rau ntau yam qauv kom tau raws li cov kev thov sib txawv thiab kev lag luam specifications. Nov yog qee cov qauv siv feem ntau siv rau seamless steel kav:
ASTM (American Society for Testing and Materials):
ASTM A53: Standard specification rau yeeb nkab, hlau, dub thiab kub-dipped, zinc-coated, welded, thiab seamless.
ASTM A106: Txuj kev qhia tshwj xeeb rau seamless carbon steel yeeb nkab rau kev pabcuam kub.
API (American Petroleum Institute):
API 5L: Specification rau kab yeeb nkab, siv rau kev thauj mus los roj thiab roj.
