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Galvanized steel pipe is a steel pipe that has been coated with a layer of zinc. This coating protects the steel from corrosion. It is most commonly used in outdoor construction like fences, handrails, and scaffolding. Galvanized steel pipe is also used in plumbing applications, particularly for water supply lines. The zinc coating on the pipe prevents corrosion and extends the life of the plumbing system. Galvanized steel pipe comes in a variety of sizes and thicknesses to suit different applications.
The main specification of the galvanized steel pipes as below:
| DN | Size | Outside diameter mm |
Wall thickness
mm
|
Minimum wall thickness
mm
|
Weight per Meter
kg
|
Weight per Pcs
kg
|
Weight per Meter Kg |
Weight per Pcs
kg
|
| DN15 | 1.2 | 21.3 | 2.8 | 2.45 | 1.28 | 7.68 | 1.357 | 8.14 |
| DN20 | 3.4 | 26.9 | 2.8 | 2.45 | 1.66 | 9.96 | 1.76 | 10.56 |
| DN25 | 1 | 33.7 | 3.2 | 2.8 | 2.41 | 14.46 | 2.554 | 15.32 |
| DN32 | 1.25 | 42.4 | 3.5 | 3.06 | 3.36 | 20.16 | 3.56 | 21.36 |
| DN40 | 1.5 | 48.3 | 3.5 | 3.06 | 3.87 | 23.22 | 4.1 | 24.6 |
| DN50 | 2 | 60.3 | 3.8 | 3.325 | 5.29 | 31.74 | 5.607 | 33.64 |
| DN65 | 2.5 | 76.1 | 4 | 3.5 | 7.11 | 42.66 | 7.536 | 45.21 |
| DN80 | 3 | 88.9 | 4 | 8.38 | 50.28 | 8.88 | 53.28 | |
| DN100 | 4 | 114.3 | 4 | 10.88 | 65.28 | 11.53 | 69.18 |
Length
3-12M according to client requirement
Standard
EN10255, EN10219, EN10210, EN39, BS1387, ASTM A53, ASTM A500, ASTM A36, API 5L, ISO 65, JIS G3444, JIS3452, DIN 3444, ANSI C80.1, AS 1074, GB/T 3091
Material
Gr.A, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, Q345
Certificate
ISO 9001:2008,SGS, BV, CCIC etc
Finish of pipe
Hot dipped galvanized with zinc 200~260g/m2;
Pre-Galvanized with zinc 30~150g/m2
Painted with black/varnish lacquer;
Oil on the surface to prevent rust;
Bare pipe without painting:
Epoxy painting/FBE coating/3PE coating
Pipe End
Plain end/ Bevel end;Groove end;
Joint with flange;Threaded on two ends, one end with coupling, one end with plastic cap
Marking
As per client requirement or mill standard
Painting method: Spray white paint
Packing
OD not less than 273mm: Loose packing,piece by piece.
OD less than 273mm: In hexagonal seaworthy bundles packed by steel strips.
Small sizes nested into big sizes.
Applications
Construction / building materials steel pipe
Steel structure
Scaffolding pipe
Fence post steel pipe
Fire protection steel pipe
Greenhouse steel pipe
Low pressure liquid, water, gas, oil, line pipe
Irrigation pipe
Handrail pipe
Techinical
ERW (high - frequency welded)
Trade Term
FOB, CFR, CIF, EXW, FCA
Payment Term
T/T, LC
Delivery Time
15-45 days (based on quantity) after receiving advanced payment by T/T or LC .
Main Market
Southeast Asia, South Asia, Middle East, Europe,
Middle&South America, Africa and Oceania
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