Tu'u uamea 9Cr18 G20CrMo GCr15High carbon chromium sila

O le u'amea o le uamea o le uamea lea e fa'aaogaina e fai ai polo, ili ma mama mama. U'u uamea e maualuga ma tutusa maaa ma ofuina tete'e, ma maualuga tapulaa elastic. O manaʻoga mo le tutusa o vailaʻau vailaʻau o le uʻamea uʻamea, o le anotusi ma le tufatufaina atu o mea e le faʻaaogaina, ma le tufatufaina atu o carbide e matua faʻamaoni. O se tasi lea o fa'ailoga uamea sili ona mamafa i le gaosiga o u'amea uma. I le 1976, o le International Organization for Standardization ISO na tuʻufaʻatasia nisi numera uʻamea lautele i tulaga faʻavaomalo, ma vaevaeina le uʻamea uʻamea i ni vaega se fa: uʻamea faʻamaʻa atoatoa, uamea faʻamaʻaina luga, uʻamea faʻafefe, uamea maualuga maualuga, ma le aofaʻi atoa. o 17 vaega Numera uamea.