- ASTM, ANSI, ASME thiab API Standards Taw qhia thiab sib txawv
- ASTM: American Society for Testing and Materials (American Society for Testing and Materials) - Cov khoom siv
- ANSI: American National Standards Institute (AMERICAN NATIONAL STANDARDS INSTITUTE) - Fittings
- ASME: American Society of Mechanical Engineers (American Society of Mechanical Engineers)
- API: American Petroleum Institute (American Petroleum Institute) - Valve
- Plaub tus qauv saum toj no yog cov qauv hauv Teb Chaws Asmeskas, plaub tus qauv no ntxiv rau ib leeg, kos rau ib leeg, xws li ASME hauv cov khoom siv ntawm cov qauv siv los ntawm ASTM, hauv cov qauv valve ntawm cov qauv kos rau API, thiab cov yeeb nkab fittings qauv. yog los ntawm ANSI. Qhov sib txawv nyob ntawm qhov sib txawv ntawm kev lag luam, yog li cov qauv siv tau txawv, API, ASTM, ASME yog cov tswv cuab ntawm ANSI.
GNEE ASTM welded yeeb nkab kev muag khoom
