Tungsten carbide Nofo ma Valves o loʻo faʻaaogaina i suauʻu ma kesi eseese, vaʻa suauu, alamanuia vailaʻau koale. I le tulaga o taimi faigaluega umi ma faigata, tungsten carbide valve o le filifiliga sili lea. I le taimi lava e tasi, tungsten carbide valve ma nofoa o loʻo i ai tulaga lelei nei: maualalo le pisa ma le maualuga o le ofuina-tetee; maualuga maaa, maualuga compressive malosi; Lelei mautu kemikolo ma

1. Lelei abrasion tetee, vevela2. Fa'aofuofu maualuga tete'e3. Malosi gau gau maualuga4. HIP sintering5.Good aafiaga toughness, mautu kemisi