A na-etinye oche oche carbide Tungsten na Valves n'ime mmanụ na gas dị iche iche, valvụ mmanụ mmanụ, ụlọ ọrụ kemịkalụ coal. N'ọnọdụ nke ogologo oge na-arụ ọrụ siri ike, valvụ tungsten carbide bụ nhọrọ kacha mma. N'otu oge ahụ, valvụ carbide tungsten na oche nwere uru ndị a: obere mkpọtụ na akwa mgbochi mgbochi; elu ike, elu mkpakọ ike; Ezi chemical kwụsie ike na

1. Nguzogide abrasion dị mma, okpomọkụ na-eguzogide2. Akwa mkpuchi mkpuchi3. Ike mgbawa dị elu4. HIP sintering5.Good mmetụta siri ike, chemical kwụsie ike