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Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe – Zheyi

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Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe – Zheyi Detail:

Cold galvanized square pipe It is a square shape of the tube, this kind of pipe in our life is a lot of application, and the material of the square tube is not fixed, a lot of materials in our life can be square tube processing and processing. The material depends mainly on its purpose and the environment in which it is used. And the common on the market is mainly processed with steel pipe for the majority. Its packaging also has a certain specification, usually square tube is about 50 per package.

Galvanized square pipe is formed on the basis of square pipe processing, galvanized square pipe is mainly formed by the steel pipe processing galvanized square pipe. Thus forming galvanized square pipe. This kind of pipe material also is to have distinction on processing technology, it is cent among them Cold galvanized square pipe And hot-dip galvanized square pipe. Cold galvanized square pipe is actually galvanized by galvanizing galvanized processing formed by the square pipe.

Cold galvanized square pipe:The main principle of the use of zinc filler coating, in the use of any coating method will be coated on the surface to be protected, after drying to form a zinc filler coating, in the dry coating content of zinc (up to 95%). At the same time point galvanized square pipe is also one of the main components. Electrogalvanizing is much better than coating type in its stability and galvanizing amount

Coating Type Cold Galvanizing

Cold galvanized square pipe It is mainly used to coat the surface of the square tube with zinc coating, which will form a metal zinc coating on the surface of the square tube, which can largely isolate the contact between the square tube and the outside world, and also effectively avoid the corrosion of the atmospheric tube. But its disadvantage is that because it is coated galvanized, galvanized layer is not very stable, easy to scratch and knock off. But it also has its advantages and convenience. Because once the damage is found, we can use paint to repair the damage without having to re-galvanize. This is unmatched by other galvanized square pipe.

Cold Galvanizing By Electroplating

Galvanized square pipe produced by this method is the most important product in cold galvanized square pipe. Because this galvanized method has the characteristics of low production cost, easy operation, galvanized layer is more stable. This is also the reason why many of our galvanized square pipe manufacturers take a fancy to this galvanized square pipe.

The principle of electrogalvanizing is mainly to use electrolysis to form a uniform, dense and well-combined metal zinc deposition layer on the surface of the workpiece. The zinc layer produced by this galvanizing method is relatively stable, and it is not easy to fall off, which gives this kind of cold galvanized pipe a big bonus in corrosion resistance. The problem of zinc layer stability in other cold galvanizing methods is solved effectively.

The Processing Principle

High quality cold galvanized steel, and after the surface treatment in accordance with specifications, but also must rely on good coating construction, in order to give full play to the greatest advantage of cold galvanized steel, effective protection. In addition to various specifications, various types of cold galvanized aerosol cans, cold galvanized construction methods are most commonly used: brush coating, air spraying and high pressure airless spraying 3. Roller coating speed is fast, but because of poor permeability, air is often trapped in the film, so it is not suitable for primer “cold galvanized” coating.

The electric galvanizing process is as follows: chemical degreasing → hot water washing → water washing → electric removing oil → hot water washing → water washing → strong corrosion → water washing → electric galvanizing iron alloy → water washing → light washing → passivation → water washing → drying.

A formula to calculate
Square tube weight calculation formula: 4* wall thickness * (side length – wall thickness) *7.85.

For example: square tube 50*50*5*6m, denoted as: 50(width)* 50(width)*5 (wall thickness)* 6m (number of meters). Because the square tube is equilateral, that is, the number of meters commonly used is 6 meters; The general industry is simply expressed as: 50*5. According to the expression method of square tube, square tube generally takes side width and wall thickness as the expression standard.

Specification

Product Name Cold galvanized square pipe
(O.D) Outer Diameter 10MM*10MM-500MM*500MM
(W.T)Wall thickness 0.6MM-20MM
Length 1M, 4M, 6M, 8M, 12M (accroding to the buyer’s request)
Ends Plain, Beveled, Thread With Couplings Or Sockets;
Plastic Caps And Steel Rings Can Be Provided If Possible
Standard GB/T3091-2001 , BS 1387-1985 , DIN EN10025 , EN10219 , JIS G3444:2004 , ASTM A53 SCH40/80/STD , BS- EN10255-2004
Grade Q195/Q215/Q235/Q345/S235JR/GR.B-D/STK500
Technique Hot Rolled Or Cold Rolled ERW
Package Covered With Tarpaulin, Containers Or In Bulk
Certification CE, BV, SGS, ISO9001, API
Delivery Time stock or Usually within 10-45 days after receipt of advance payment

Pre-Galvanized Steel Pipe

(Square)SHS

(Rectangular)RHS

(Out dia.)mm (Wall thickness)mm (Out dia.)mm (Wall thickness)mm
15*15 0.7-2.0 20*30 0.7-2.0
20*20 0.7-2.0 20*40 0.7-2.0
25*25 0.7-2.0 25*50 0.7-2.0
30*30 0.7-2.0 30*40 0.7-2.0
38*38 0.7-2.0 30*50 0.7-2.0
40*40 0.7-2.0 40*60 0.7-2.0
50*50 0.7-2.0 40*80 0.7-2.0
60*60 0.7-2.0 37*57 0.7-2.0
80*80 0.7-2.0 27*47 0.7-2.0
100*100 0.7-2.0 37*77 0.7-2.0
50*100 0.7-2.0

Product Display

Cold-galvanized-square-pipe-(2)
Cold-galvanized-square-pipe-(4)
Cold-galvanized-square-pipe-(3)


Product detail pictures:

Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe  – Zheyi detail pictures

Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe  – Zheyi detail pictures

Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe  – Zheyi detail pictures

Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe  – Zheyi detail pictures


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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Factory Price For Ms Square Hollow Section - Cold galvanized square pipe high quality large diameter boiler pipe – Zheyi , The product will supply to all over the world, such as: Amsterdam, Sacramento, Munich, Our company has already had a lot of top factories and qualified technology teams in China, offering the best goods, techniques and services to worldwide customers. Honesty is our principle, skilled operation is our work, service is our goal, and customers' satisfaction is our future!
  • Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Muriel from Brisbane - 2018.09.23 18:44
    The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Gail from Qatar - 2017.08.15 12:36