ASTM A139/A 139M covers five grades of electric-fusion(arc)-welded straight-seam or helical-seam steel pipe. LSAW čelične cevi:стандард: АСТМ А139, ASTM A252, JIS G3444 etc. Ocene: Q215-345, Grade A-E, Razred 1-3 STK290-540 Standard: АСТМ А139, ASTM A252, JIS G3444 etc. Ocene: Q215-345, Grade A-E, Razred 1-3 STK290-540 Outside Diameter: Φ406mm-Φ1626mm (16″-64″) дебљина зида: 6.4mm-54mm (1/4″-2⅛”) Dužina: 3.0m-12.3m Test: Hemijske komponente analize, Mehanička svojstva (Ultimativni Zatezna čvrstoća, ZATEZNOM ČVRSTOĆOM, Elongation), Tehničke karakteristike (Ravnanjem Test, Savijanje Test, Udarac Test, Uticaj Test), Eksterijer veličina inspekcije, Hidrostatiиki Test, X-Test. packages: LSAW Structural pipes are individually wrapped by hand to ensure that the high quality of the […]