Duk da yake Tejas da aka gina na aluminum-lithium gami, carbon-fiber composites, da kuma titanium gami. Composite kayan da aka yi amfani da su yi up 45% na airframe da nauyi da kuma 95% da surface yanki. Upper da ƙananan reshe konkoma karãtunsa fãtun an kerarre daga guda yanki na carbon-fiber karfafa polymer. Wing spars da kuma haƙarƙari ma sanya daga carbon composites. The yawan carbon composites a cikin airframe da nauyi ya tashi daga 30% a cikin fasahar demonstrators zuwa 42% a cikin samfurori da motocin. A yi na elevons, tailfin, rudder, air birki da kuma saukowa kaya kofofin amfani co-cured da co-bonded masana'antu dabaru.
Aluminum-lithium gami, carbon-fiber composites, da kuma titanium gami