API kab yeeb nkab yog tsim nyob rau hauv raws li cov qauv nruj tsim los ntawm American Petroleum Institute (API). Cov qauv no xyuas kom meej tias cov yeeb nkab ua tau raws li cov kev xav tau tshwj xeeb rau lub zog, kav ntev, thiab corrosion kuj.
Cov cwj pwm tseem ceeb
Kev lag luam tshwj xeeb yam ntxwv
| Hom | Gnee |
|
Tshooj Duab |
Hloov |
| Kev kho saum npoo | Kub Rolled |
| Ua siab ntev | ±15%, ±5%, ±1%, ±20%, ±10% |
| Oiled los yog tsis- oiled | Tsis yog roj |
| Invoicing | los ntawm theoretical hnyav |
Cim npe nrov: api 5l qib b seamless steel yeeb nkab, Tuam Tshoj api 5l qib b seamless steel yeeb nkab manufacturers, lwm tus neeg, Hoobkas