Ko te ngongo ASTM a269 he momo ngongo, he kanapa te mata he tino ataahua, he roa rawa te roa, ka eke te roa ki te 4000M/coil me te kore he paiherea, ka taea te whakamahi i roto i te hinu, te hau maori, te matū. ahumahi, hanga kaipuke me etahi atu ahumahi.Raumea ngongo maitai:316L,316,304,incoloy825,incoloy625,2205 2507;Steel ngongo OD:6MM-25.4MM;Steel ngongo te matotoru pakitara:0.5MM—2M te roa: 1000mm te roa: 1000mm; ;Pehanga mahi:50—200MPA