Qingdao Shengying Steel Co., Ltd.

Galvanized Square Tube

Galvanized pipes, also referred to as galvanized steel pipes, are classified into two types: hot-dip galvanized and electric galvanized. Hot-dip galvanized pipes have a thicker galvanized layer that provides several advantages, including uniform coating, strong adhesion, and a long service life.

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Galvanized Pipe

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The galvanized square pipe is a hollow square section steel pipe with a square section shape and size, which is made of hot-rolled or cold-rolled galvanized strip or galvanized coil as a blank, cold-formed, and high-frequency welded. Cold-formed hollow steel pipe, galvanized rectangular pipe processed by hot-dip galvanizing.

Galvanized for greater protection and greater corrosion resistance. The entire structure is made of zinc, which forms dense quaternary crystals that form a barrier on the steel plate, thus effectively preventing the penetration of corrosive factors. Corrosion resistance comes from the strong protective function of the barrier layer of zinc. When zinc is used for the sacrificial protection of cut edges, nicks and nicks in the coating, zinc forms an insoluble oxide layer that acts as a barrier protection.

Since the galvanized square tube is galvanized on the square tube, the application range of the galvanized square tube has been greatly expanded compared with the square tube. Mainly used in construction, curtain wall, steel structure engineering, machinery manufacturing, solar power generation bracket, steel structure engineering, electric power engineering, shipbuilding, power plant, automobile chassis, glass curtain wall, agricultural chemical machinery, airport, etc.

Product Name	Galvanized Steel Square Pipe
OD	Pre galvanized:1/2"-4"(21.3-114.3mm) Hot dipped galvanized:1/2"-"(21 .3mm-219mm)
Wall Thickness	Pre galvanized:0.6-2.2mm Hot dipped galvanized: 0.8- 25mm
Zinc coating	Pre galvanized:40-200g/m² HOt dipped galvanized:200-500g/m²
Length	5.8m 6m used frequently or customized
Material	Q195, Q215, Q235, Q345
Standard	BS 1387,BS1139,EN39 ,EN10219,ASTM A53,ASTM A795, API 5L,GB/T3091etc.
Certificate	ISO,CE,SGS,BV,API,UL etc.
Cross Section	Round/Square/Rectangular/Ovel etc.
Type	Electronic Resistance Welded (ERW )
End Treatment	Plain 1 Thread 1 Coupling 1 Groove 1 Necking etc.
Packing	in bundles,water proof plastic packing, in bulk etc special according to customer request
Application	Greenhouse/Scaffolding/Oil gas water transportation/Transportation,etc

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Qingdao Shengying Steel Co., Ltd., Ltd. as a leader manufacturer in steel supplier from China, is a reliable and integrity steel supplier. With more than 10 years steel processing and exporter experiences, we have a factory building of 20000 square meters and annual production of 23,000 tons. We specialized in the production of stainless steel, carbon steel, galvanized steel, aluminum, copper products, etc., suitable for fields such as engineering, coal mining, textiles, electricity, boilers, machinery, etc. Our products have passed the ISO9001 quality system certification and the EU CE certification.

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We adhere to the management principle of "quality first, service first, continuous improvement and innovation, and customer satisfaction", with the quality goal of "zero defects, zero complaints". Looking forward to cooperate with you long term.

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Our major products including Carbon Steel Plate, Carbon Steel Coil, Carbon Steel Pipe, Carbon Steel Bar, Stainless steel plate,Stainless steel coil , Stainless steel pipe, color coated coil, color tile, galvanized sheet, galvanized coil, Galvanized roofing,etc.

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Our company has extensive experience in the development and export of metal and steel materials. Our company is the long-term reliable steel supplier you are looking for!

Application field

Products are widely used in aerospace, building bridges, precision instruments, petrochemical and other industries.We manufacture own brand steel products and also we can supply other famous brand steel product.