ISO2531 DI Yeeb Nkabua los ntawm cov hlau cam khwb cia uas feem ntau siv rau kev xa dej haus thiab kev faib tawm.
ISO2531:2020 Cov kav dej hlau ductile, cov khoom siv, cov khoom siv thiab lawv cov pob qij txha rau kev siv dej lossis roj. Tus qauv no yog tus qauv thoob ntiaj teb tseem ceeb tshaj plaws thiab lees paub dav hauv kev lag luam ntawm cov kav dej hlau ductile.
Cov Ntaub Ntawv Khoom:
- Loj: DN1000
- Ntev: 6000MM
- Qib: C25 Qib (Tiv taus 25 bar dej siab)
Tau Txais Ib Daim Ntawv Qhia Nqe
