Company Details

  • Unisite Group Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Middle East , West Europe , Americas , Asia , East Europe , Europe , North Europe , Oceania , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001
  • Description:Ship Building Steel Pipes,Dredger Structural Pipe,Structural Steel Pipe,Double Wall Steel Pipe
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Unisite Group Ltd.

Ship Building Steel Pipes,Dredger Structural Pipe,Structural Steel Pipe,Double Wall Steel Pipe

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Steel Pipe

Product categories of Steel Pipe, we are specialized manufacturers from China, Ship Building Steel Pipes, Dredger Structural Pipe suppliers/factory, wholesale high-quality products of Structural Steel Pipe R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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Galvanize steel pipe for sale
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-059

Steel pipe is not only used for conveying fluid and powder solid, exchange heat energy, manufacturing machinery parts and containers, it is a kind of economic steel. The steel pipe is used to make the structure of the building structure, the support...

Wholesale Various High Quality of Ship Building Steel Pipes
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Seamless steel pipe price
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-060

Steel and steel products specifications is very wide, its performance requirements are various. All of these should be distinguished with changes in user requirements or working conditions. In general, the steel tube products are classified...

China Dredger Structural Pipe Brands
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Industrial black steel pipe
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-061

Welded steel pipe for the different welding process is divided into the furnace pipe, welding (ERW) pipes and automatic arc welding, because of the different welding form is divided into two kinds of longitudinal and spiral welded pipe, due to the...

New design of Structural Steel Pipe
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Large steel pipe for sale
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-062

According to the pipe cross-sectional shape can be divided into: steel pipe and profiled steel pipe. Shaped steel pipe is a kind of non circular section of the steel pipe. Including: square tube, rectangular tube, oval tube, flat oval tube, half...

Cheap Double Wall Steel Pipe from China
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Round steel pipes for sale
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-063

According to the shape of the steel pipe, it is divided into: equal section steel tube and steel tube with variable cross-section. Variable section (or variable section) steel pipe is a steel tube with periodic or non periodic changes in the shape...

High Quality Ship Building Steel Pipes China Manufacturer
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Seamless steel carbon pipe
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-064

Continuous rolling process for steel tube and sizing process. Seamless steel tube is a by steel tube and core rod together in multi frame motion process, deformation and movement of steel pipe and roll and mandrel. Mandrel can is free floating, is a...

China Dredger Structural Pipe Supplier
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Carbon steel pipes for sale
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-058

Steel pipe (steel pipe production technology development began on a bicycle manufacturing industry rise, the 19th century early oil development, during the two world wars ships, boilers, aircraft manufacturing, after the Second World War thermal...

China Supplier of Structural Steel Pipe
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Structural steel pipes for sale
  • Brand: UniSite
  • Packaging: pontoon float bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-066

Structural steel is a category of steel used as a construction material for making structural steel shapes. A structural steel shape is a profile, formed with a specific cross section and following certain standards for chemical composition and...

China Factory of Double Wall Steel Pipe
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Welded steel pipes for sale
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-067

Welding steel pipe production process is simple, the production efficiency is high, the variety of specifications, equipment investment is low, but the general strength is lower than the seamless steel pipe. Since the thirties of the 20th century,...

Ship Building Steel Pipes Made in China
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Best quality steel pipes
  • Brand: UniSite
  • Packaging: bulk package and bulk vessel transportation; frame container package and frame container transportation
  • Min. Order: 100 Piece/Pieces
  • Certificate: API/BV/ISO
  • Model No.: USA-065

According to the material steel pipe can be divided into: carbon tubes and alloy tube, stainless steel tube etc.. Carbon pipe can be divided into ordinary carbon steel pipe and high quality carbon structure pipe. The alloy tube can be divided into:...

Low price Wholesale of Dredger Structural Pipe
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China Steel Pipe Suppliers

Steel Pipe (steel pipe production technology development began on a bicycle manufacturing industry rise, the 19th century early oil development, during the two world wars ships, boilers, aircraft manufacturing, after the Second World War thermal power boiler manufacturing, chemical industry and petroleum natural gas drilling and transportation, effectively promote the development of steel pipe industry in variety, yield and quality.

Steel pipe is not only used for conveying fluid and powder solid, exchange heat energy, manufacturing machinery parts and containers, it is a kind of economic steel. The steel pipe is used to make the structure of the building structure, the support and the mechanical support, which can reduce the weight and save the metal from 20 to 40%, and can realize the mechanization construction of the factory. The construction of the highway bridge with the steel pipe can not only save the steel, simplify the construction, but also greatly reduce the area of the coating protection layer, save the cost of investment and maintenance.

Photo of our steel pipe:

steel pipe

According to the production method

Steel pipe according to the production method can be divided into two categories: Seamless Steel Pipe and pipe joints, pipe joints as Welded Steel Pipe.

1. Seamless steel pipe according to the production method can be divided into: hot-rolled seamless tube, cold drawn tube, precision steel tube, thermal expansion tubes, cold spinning tube and pipe extrusion.

Seamless steel pipe made of high quality carbon steel or alloy steel, hot-rolled, cold-rolled (drawn) branch.

Bundles of steel tubes

Bundles of steel tubes

2. Welded steel pipe for the different welding process is divided into the furnace pipe, welding (ERW) pipes and automatic arc welding, because of the different welding form is divided into two kinds of longitudinal and spiral welded pipe, due to the shape of the end and circular welded pipe and shaped (square, flat) welded pipe.

Welded steel pipe is rolled into a tube shaped steel plate to butt or spiral seam welding and, in the manufacturing method, voltage liquid transportation by welding steel pipe, spiral seam welded steel pipe and directly roll welded steel pipe, welded steel pipe. Seamless steel pipe can be used in a variety of industries, such as liquid pressure pipe and gas pipeline. Welding pipe can be used for water pipelines, gas pipelines, heating pipes, electrical appliances, etc..

By material

According to the material (i.e. steel pipe steel) can be divided into: carbon tubes and alloy tube, stainless steel tube etc..

Carbon pipe can be divided into ordinary Carbon Steel Pipe and high quality carbon structure pipe.

The alloy tube can be divided into: low alloy pipe, alloy pipe structure, high alloy tube, high strength tube. Bearing tube, heat resistant acid resistant stainless steel pipe, precision alloy (such as can be cut alloy) tube and high temperature alloy tube, etc..

Classification by connection

According to the pipe end connection can be divided into: light pipe (pipe end without thread) and the car wire pipe (Guan Duan with a thread).

The wire pipe is divided into: ordinary car wire pipe and pipe end upset car wire pipe.

Thick wire pipe can also be divided into: plus thick (with external thread), inside the thick (with the inside of the thread) and inside and outside the thick (with internal and external threads) and other places of the car wire pipe.

Threading pipe can also be divided into: ordinary cylindrical or conical thread and special thread, such as the wire pipe.

In addition, according to the needs of users, the car is generally equipped with pipe connector delivery.

According to the coating characteristics

According to the characteristics of surface coated steel pipe can be divided into: Clarinet (not coated) and coating tube.

The coating pipe has galvanized pipe, aluminum, chrome plated tube, alumetized tubes and other alloy layer of steel pipe.

The coating pipe is coated with an outer coating pipe, an inner coating pipe, an inner and an outer coating pipe. Commonly used coatings are plastic, epoxy, coal tar epoxy resin as well as a variety of glass type of anti-corrosion coating materials. Galvanized pipe is divided into KBG pipe, JDG pipe, screw pipe, etc.


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