API sawv cev rau American Petroleum Institute. API kab yeeb nkab yog tsim raws li cov qauv nruj uas tau teev tseg los ntawm API. Cov qauv no ua kom zoo, kev nyab xeeb, thiab kev ntseeg siab ntawm cov yeeb nkab. Piv txwv li, API 5L yog tus qauv paub zoo rau kab yeeb nkab. Nws suav nrog ntau yam kev qhia tshwj xeeb nrog rau cov yeeb nkab qhov ntev (xws li txoj kab uas hla thiab phab ntsa tuab), cov khoom siv kho tshuab (yield zog, tensile zog, thiab lwm yam), thiab tshuaj muaj pes tsawg leeg.
Cov cwj pwm tseem ceeb
Kev lag luam tshwj xeeb yam ntxwv
| Hom | Gnee |
|
Kev kho saum npoo |
dub, galvanized, oiled, pleev xim rau, thiab lwm yam. |
| Daim ntawv pov thawj | API, ce, Bsi, SNI, BIS, JIS, GS, ISO9001 |
| Oiled los yog tsis- oiled | Tsis yog roj |
| Invoicing | los ntawm qhov hnyav |
Cim npe nrov: api 5l kab yeeb nkab steel yeeb nkab seamless pipeline rau roj roj yeeb nkab, Tuam Tshoj api 5l kab yeeb nkab steel yeeb nkab seamless pipeline rau roj roj yeeb nkab manufacturers, lwm tus neeg, Hoobkas