Galvanized Steel Pipe
Galvanized steel pipe(galvanized pipe), Galvanised steel pipe(galvanised pipe)
Galvanized steel pipes are made of steel that has been covered with alayer of zinc metal. During the galvanizing process, we immerse the steelin a molten zinc bath, ensuring a tough, uniform barrier coating.
Application:
1.Building and structural material
2.Mechanical and general engineering purposes
3.Manufacturing of Bus Body, Railway Boogies
4.In Tele 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 tubes
- in diameter 4 - 16 mm 6000 + 100 mm
- in 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 mm
- diameter between 35 - 38 mm ±0,15 mm
- diameter 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 (µm).
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