High quality cold drawn pre galvanized rectangular steel tubes

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Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Quick Details


2.5 - 15 mm

Section Shape:


Outer Diameter:

33.4 - 114.3 mm

Place of Origin:

Tianjin China (Mainland)

Secondary Or Not:



Structure Pipe





Surface Treatment:


Special Pipe:

Thick Wall Pipe

Alloy Or Not:




pipe body:

making as customer's require

port of shipment:

Tianjin Xingang

business type:

manufacturer and trading company


in container or bulk

trade terms:


ending type:

cutting plain beveled

zinc coating:


other application:

Fluid transport,structure steel,agriculture equipment,etc




BS 1387,BS EN10296,BS 6323,BS 6363,BS EN10219,GB/T 3091-2001,GB/T 13793-1992,GB/T9711,ASTM A53-2007,ASTM A312-2007,ASTM A671-2006,ASTM A252-1998,ASTM A450-1996,ASME B36.10M-2004,ASTM A523-1996,BS,GB,ASTM

Packaging & Delivery

Packaging Detail:packing in bundle with steel strips; with seaworthy package at the end could be done with your requirement.
Delivery Detail:usually within 10-30 days after receipt of deposit, ASAP


3.High quality
4.BV SGS ISO Certificated

                                                              We offer you:




1.Product Details of Hot Dip Galvanized Steel Pipe 

SizeOD (mm)20-219
WT (mm)2.5-15
Length (m)5.8-12
MaterialQ195, Q235, Q215, Q345
StandardASTM A53, ASTM A252-1998 , BS1387, GB/T 3091-2001, GB/T 9711, ASME B36.10M-2004, etc.
ToleranceWall thickness (mm)+/-0.3
Out diameter (mm)+-/0.2
Length (mm)-0/+20
Zinc coating200-800g/m2
SurfaceBared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment
TechniqueElectronic Resistance Welding (ERW )
ApplicationScaffolding pipe, Structure pipe, Fence/Door pipe, Furniture pipe,Low pressure fluid pipe for water oil or gas, greenhouse pipe, agricultural pipe, equipment pipe, etc.
InspectionWith Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection
CertificationBV, IAF, SGS,COC, ISO etc.
Others1. Pipe fitting flanged and screwed also can be suppiled;
2. Special design available according to customers’ requirements;
3. Pipe body can be stamped, drilled, diameter reduced. 


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Q:Loft shop what board is good
It is recommended to shop all the surface are painted water-based paint 15% plywood. First of all, the attic to be superior, must be safe, the strength of the plate to be high, and the plywood is the best, the same thickness of the splint to better than all other man-made sheet and most of the original board. Secondly, taking into account the loft ventilation is generally not good, so the requirements to environmental protection. Plywood is contaminated, so all surfaces are required to cover the paint to prevent the release of formaldehyde, requiring water-based paint is to prevent secondary pollution. Finally, the conventional 40cm wide keel with 15mm thick plywood is enough to bear the weight of a big fat man. To switch to solid wood fir board, then at least 20mm thick, with MDF or particleboard or big core board, then even 30mm thick is not enough
Q:What is FR4 sheet
FR-4 is a glass fiber epoxy resin CCL, a circuit board in the substrate, in fact, you should have seen, such as the kind of small game machine to open, inside the green board is FR-4 to do circuit board.
Q:What is nothing in the wood terminology?
The term "wood" refers to the branches that exist inside the trunk of the tree and its surface. Understand this point we can see that the so-called no-material, that is, no knots of wood. In fact, all the trees can not not long branches (palm and coconut trees and the like exception), but the branches are large, small, more, less, significant, hidden distinction Bale, so the real sense of no material is no of. In reality, any small or relatively subtle child (such as the hidden section, a few millimeters) can be ignored as no material. In general, the large trees from the ground to see the first branch of the trunk at that time, known as no material; also saw into a sheet or square material, the material is very small or no material, Said no material.
Q:Does the net aldehyde antimicrobial sheet really be environmentally friendly?
I am engaged in decoration, and recently our company purchased the cloud of ecological net aldehyde antimicrobial sheet, the price is higher than the average plate, with the good or good. A few days ago, the family has just finished renovation, one into no taste, even the decoration owners are really good things to see, boast that we use the material is good. Now encountered high environmental requirements of the owners we are recommended cloud ecological sheet, the general brand if the owners are not satisfied with the rework, with the cloud ecology we also worry
Q:Jin Lu Li plate quality
Bunny and Moganshan prices are relatively high, compared to the price of Jin Luli more suitable for mass consumption, my family and several colleagues are used Jin Lu Li recommended the use of gold Luli.
Q:What is the meaning of furniture material E1MDF?
E1MDF refers to the environmental E1 grade MDF. According to national standards, MDF according to its free formaldehyde content can be divided into E0 level, E1 level, E2 level. E2 grade formaldehyde emission ≤ 5mg / L; E1 grade formaldehyde emission ≤ 1.5mg / L, can Directly used for interior decoration; E0 grade formaldehyde emission ≤ 0.5mg / L. Consumers in the purchase of MDF, should try to buy low-formaldehyde emission of goods, such goods more secure.
Q:In the end with the E1 level or E0 level?
You can first know: plate environmental protection level E1 and E0 distinction so you can probably judge
Q:What is the sheet of Sophia Wardrobe?
What plate have ah, this is the best to buy a look at formaldehyde, the general furniture is formaldehyde weight, you can try Mu Tong's products, detection and management are good
Q:How about the environmental protection grade of the furniture sheet? What is the effect on the furniture?
Domestic plate environmental protection level to borrow the European standard: E0 level, E1 level ..... E0 level best! Plate emissions of harmful gases on the human body, such as formaldehyde, benzene ... and other levels of emissions standards! (Domestic plate also marked AAA or AA, AAA better, not vulnerable to moisture deformation) The environmental protection grade of the plate has no effect on the craft and the production process of making the furniture!
Q:What is the board made of wood chips
According to the composition of wood chips, MDF or particleboard. These boards are generally used to do wardrobe backplane, where hardness is not demanding. Foshan, Jisheng Osaka. There are several years of custom design experience wardrobe.

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