HE G3444 STK540
Şubat 24, 2017ASTM API 5L X80
Şubat 24, 2017JIS G3444 STK500 steel tube/pipe, dikişsiz çelik tüpler/pipes and welded steel tubes/pipes
JIS G3444 is the standard of carbon steel tubes for general structural purposes, STK500 steel tubes/pipes used for civil engineering, mimari, steel towers, scaffoldings, struts, piles for suppression of landslide and other structures.