Tlhaselo ea sefapano e ka tsamaisetsa masetlapi a nang le sreel squareting free maswang, a felletseng ha a phethola sehlahisoa se felileng. Ho khothaletsa ka poso ho khothalletsoa ho li-freel tse se nang mabele 304 tse thellang. Ho ekelletsa moo, ho bata ho batang ha li-puteng tsa tšepe tse se nang mabele ho eketsa matla le bokhabane. Li-flangs li bontša matla a tloaelehileng a 75,000 ea 75,000 PSI 515 Mpa le matla a lihlahisoa a 30,000. Ansi B16.5 Li-flangs tsa S30400 Butt li ka chesa haholo.