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Galvanized Steel Tube

Product Introduction of Galvanized Steel Tube

Shandong Baowu Steel Group. Offer Galvanized Steel Tube In Various Thicknesses, Standard Cut Lengths. Provide Custom.We will provide users with high-quality products, reasonable prices and good services. 

Supply Ability:5000 Tons
Delivery Time:within 7 days
MOQ:1 Ton
Standard:ASTMA53, ASTM A573, ASTM A283, GB/T 700-2006, GB/T711-2008, JIS G3101, JIS G3131, JIS G3016

Export Packing:Waterproof paper, and steel strip packed.

DX51D Galvanized Steel Tube

DX51D Galvanized Steel Tube Our company is a professional manufacturer of galvanized steel tube,welded tube ,square/Rectangular tube and scaffolding products.we believed in the best quality, reasonable

DX52D Galvanized Steel Tube

DX52D Galvanized Steel Tube Using advanced galvanizing process, the coating is uniform, the adhesion is strong, the service life is long, and it can be used

DX53D Galvanized Steel Tube

DX53D Galvanized Steel Tube Shandong Baowu using high-quality raw materials, the material is higher than the level of the same industry, complete specifications, sufficient stock, one-stop

DX54D Galvanized Steel Pipe

DX54D Galvanized Steel Tube Raw materials through strict screening, do not cut corners, fine workmanship, quality good luster Products are through strict screening of the company,

S220GD Galvanized Steel Tube

S220GD Galvanized Steel Tube Conventional specifications are available in stock; special specifications can support customization; choose safe raw materials Supply Ability:5000 TonsPrice Term:CIF CFR FOB EX-WORKDelivery

Galvanized Steel Tube of Available Specification

Product Name:

Galvanized Steel Tube


2.5-10mm,or as customer‘s requirements

Outer Diameter:

18- 273 mm,or as customer‘s requirements


as requirements

Zinc Coating:



Light Oil, Unoil,dry, chromate passivated, non-chromate passivated.




Regular spangle, minimal spangle, zero spangle, big spangle


ISO 9001 and SGS


Industry standard packaging or according to client’s requirement




TT, Irrevocable LC at sight, Western union, Ali trade assurance

Delivery time:

Up to order quantity,contact us to know

Regular Sizes of Galvanized Steel Tube

Regular Sizes of Galvanized Steel Tube
DNNBOD (mm)WT (mm)Pcs/Bundle

Regular Length: 5.7m, 5.8m, 6.0m, 6.4.    Besides, we can make to order for you according to your requested length.                 

25010″2733.2mm-12.0mm5 or 1
30012″323.9mm-325mm6.0mm-15mm3 or 1

Baowu Product Catalog

Leading Steel Products Manufacturer From China

Applications Of Galvanized Steel Tube

Galvanized tubes have a wide range of uses. In addition to oil and other low-pressure fluid pipelines, it is also used as oil well pipes in the petroleum industry, especially in offshore oil fields, oil heaters in chemical coking equipment, coal distillation, and oil washing converter pipes, bridges, etc. Pipe pile, mining tunnel support frame with pipe, etc. Developed countries in the world started to develop new pipes and continuously banned galvanized pipes.

Most old houses use galvanized pipes. Nowadays, the iron pipes used for gas and heating are also galvanized pipes. Galvanized pipes are used as water pipes. After a few years of use, a lot of rust and dirt occur in the pipes, and more than just yellow water flows out. It contaminates sanitary ware and is mixed with bacteria that do not lubricate the inner wall. The rust causes excessive heavy metal content in the water, which seriously endangers human health. Galvanized pipes are rarely used for cold water pipes in newly built communities in China, and galvanized pipes are used for hot water pipes in some communities. The often said galvanized pipe is now mainly used to transport gas and heating.

Company Profile

        Shandong Baowu Steel Group Co., Ltd. located in Shandong, we have convenient transportation.our company is a large-scale enterprise specializing in the production of seamless steel pipes, welded steel pipes, stainless steel pipes and stainless steel products. We mainly produce including stainless steel plates/coils and profiles, Steel plate, alloy steel plate, wear-resistant steel plate,Carbon plate, square tube, galvanized tube, non-ferrous metal, PPGI and PPGL and other materials. Our company also has cooperative factories, like TPCO, TISCO, ZPSS, Tianjin Iron and Steel Group, HBIS Group, and Steel, Shandong Iron and Steel Group.We have rich experience in foreign trade and have established long-term cooperative relations with many well-known foreign companies.

Packaging of galvanized steel tube

Packing Details  : In Bundle

Delivery Details : within 10 days after getting the deposit

1. Unique packaging

2. Delivery to the port
3. Professional transportation
4. Professional packing
5. Suitable carton size
6. Complete packing

Little knowledge of galvanized steel tube

  • First, we use solvents to clean the surface of the steel to remove organic matter on the surface.
  • Then toolsare used by ours to remove rust (wire brush) to remove loose or inclined scales, rust, welding slag, etc.,
  • We use pickling.
  • Galvanizing is divided into hot-dip galvanizing and cold-dip galvanizing. Hot-dip galvanizing is not easy to rust, and cold galvanizing is easier to rust.

The spraying method for galvanized pipes can be carried out according to the normal spraying construction, following the process of surface treatment – spraying primer – spraying top coat. Scrub the surface of the substrate with solvent to remove oil and dirt, clean the substrate to ensure adhesion.
Spray ED1000 epoxy primer to reach the specified film thickness. After the primer is applied, the top coat is applied at an interval of 24 hours. The top coat is selected according to the actual use. For indoor environment, epoxy resin topcoat and polyurethane topcoat can be chosen. Outdoor environment can choose acrylic polyurethane topcoat, acrylic topcoat, fluorocarbon topcoat, and the coating can reach the specified film thickness.
Use phosphate primer or high adhesion primer. Now there is a phosphate primer on the market, its function is similar to the phosphate treatment, can improve the roughness of the zinc tube to a certain extent. Primer or direct use of an intermediate paint finish. Before painting the galvanized pipe, it needs to be lightly polished so as not to damage the anti-corrosion layer of the galvanized pipe itself. The treatment of the substrate and the choice of paint are key factors in avoiding paint flaking from galvanized pipes.

  • When purchasing galvanized pipes, be sure to check in detail whether the appearance of the galvanized pipes is smooth, whether there are zinc nodules and burrs. In general, if the surface of the galvanized pipe is free of zinc nodules and burrs, and is silver-white, it is a high-quality galvanized pipe.
  • When purchasing galvanized pipes, you must check the appearance of galvanized pipes in detail to see if there are any obvious defects, and check whether the color of the galvanized pipes is normal, and check whether the galvanized layer is even.
  • When purchasing galvanized pipes, you must check in detail whether the length of the galvanized pipe meets the qualified standard, and check whether the diameter and wall thickness of the galvanized pipe meet the qualified standard.
  • The grade and chemical composition of the galvanized steel pipe. In the manufacturing process of the galvanized steel pipe, the grade and chemical composition of the steel used must meet the requirements for the grade and chemical composition of the clarinet in GB-3092.
  • Galvanized steel pipe should be hot-dip galvanized.
  • Thread and pipe connection of galvanized steel pipe.
  • Generally speaking, the threaded steel pipe after galvanizing should be made after galvanizing.
  • Steel pipe joints and threads shall comply with YB238 regulations, and cast iron joints shall comply with YB230 regulations.
  • In short, galvanized steel pipe is a commonly used decoration material in life, and it is also more common in life. However, since the types and materials on the market are indeed diverse, you must look carefully when choosing, and choose good quality galvanized pipes, and don’t be fooled by some too cheap materials. In addition, I hope everyone should pay attention not only to the quality of the galvanized iron insulation pipes, but also to the manufacturer’s after-sales guarantees when choosing insulation pipes.

Galvanized steel pipes are one of the most important industrial pipes and are widely used in various light and heavy industries. The welding method is mainly used to connect galvanized pipes to each other or between galvanized pipes and other equipment. The most common welding method is the five-step welding method. The specific implementation steps of the five-step welding method are as follows.
◆ Step 1: Size of the orifice of the galvanized steel pipe. During the welding process, the length of the pipe should be measured first, and then the pipe size should be cut with a pipe cutting machine.
◆ Step 2: Clean the galvanized steel pipe. Due to the metal characteristic of steel pipe, some waste slag will be produced in the steel pipe due to oxidation, and some waste slag will affect the welding effect. Therefore, the scrap slag inside the tube should be ground off with emery cloth or sandpaper before welding.
◆ Step 3: Clean the fittings with galvanized steel pipe brush. Cleaning the fittings can make the welded galvanized pipe ensure the tinned joints.
◆ Step 4: Master the welding time of the galvanized steel pipe. Generally speaking, the length of welded pipe you need requires the corresponding length of solder.
◆ Step 5: Add heat to the galvanized steel pipe with a torch. The torch heats the pipe mainly to ensure that the welded points of the pipe are heated evenly. It is worth noting that when using a flare, make sure the flame is close enough to cover the entire diameter of the pipe.


We are a factory as well as a professional manufacturer established for more than 20 years and export over 15 years.

Can provide small samples for free. Customized sample takes 5-7 days.

Small trial order takes 5-7 days. Container order need 15-20 days.

Cover with PE film , wrap with waterproof paper, pack with wooden plate,belt by steel strip, fasten on pallet.

All products we supply is primary as you need, Our company is certificated to CE, and every product will be tested for 4-5processes. We welcome customers or the third party inspection agencies to come to our factory for inspection.

Usually 30% deposit by TT in advance and balance against copy pf BL or L/C at sight.

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