Welded Square Pipe Rectangle Black Pipe with Size 25x30mm 200x200mm

Outer Diameter

Square pipe: 20*20mm~400*400mm

Rectangular pipe: 20*40mm~300*500mm

Wall Thickness

Square and rectangular pipe: 0.8~20mm

Length

3-12M according to client requirement

Standard

Hollow section: ASTM A500, EN10219, EN10210, JIS3466, GB/T 6728

Material

Gr.A, Gr.B, Gr.C, 
S235, S275, S355, 
A36, SS400, 
Q195, Q235, Q345

Certificate

ISO 9001:2008,SGS, SGS etc

Finish of pipe

Hot dipped galvanized with zinc 220~260g/m2;

Pre-Galvanized with zinc 30~150g/m2
Painted with black/varnish lacquer;
Oil on the surface to prevent rust;
Bare pipe without painting:

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