Application:1.Building and structural material2.Mechanical and general engineering purposes3.Manufacturing of Bus Body, Railway Boogies4.In Telephone department as Conduit Pipes
Types: Galvanzied welded steel pipe, galvanzied seamless steel pipe
Materials: Carbon steel
Connection type: threaded
Size range: 1/8"-36"
Schedule: sch40, sch80, sch120, sch160, XH, XXH Length of the galvanized tubesin diameter 4 - 16 mm 6000 + 100 mmin diameter 18 - 42 mm 6000 + 50 mm Tolerances of the zinc coated tubes- tolerances of the outside diameter:diameter between 4 - 30 mm ▒0, 08 mmdiameter between 35 - 38 mm ▒0, 15 mmdiameter up to 42 mm ▒0, 20 mm- tolerances of the inside diameter are according to EN 10305-4 - tolerance of the wall thickness ▒ 10%
The Steel grades for the zinc coated tubes
E 235+N and E 355+N
Surface condition of the galvanized tubes
First layer ? electrolitically leached zinc (Zn) ? acts as anode and in a corrosive environment it corrodes first and the base metal is cathodically protected against corrosion. The zinc layer thickness may be in the range of 5 to 30 micrometers (Ám).