ASTM a269 chubu ndi mtundu wa chubu, pamwamba ndi yowala kwambiri kukongola, kutalika ndi yaitali kwambiri, kutalika akhoza mpaka 4000M/koyilo popanda welded, uasage: akhoza makamaka ntchito mafuta, gasi, makampani mankhwala, shipbuilding ndi mafakitale ena.Steel chubu. zakuthupi: 316L, 316, 304, incoloy825, incoloy625, 2205 2507;Chitsulo chubu OD: 6MM-25.4MM;Chitsulo chubu khoma makulidwe: 0.5MM-2MM;Zitsulo chubu kutalika:1000M-6000M;Kugwira ntchito2000-MP kuthamanga: 50MP;