• Galvanized Oiled Painted Bare Welded Scaffolding Building Structure Pipe ASTM A53,GB/T3091,BS1387 System 1
  • Galvanized Oiled Painted Bare Welded Scaffolding Building Structure Pipe ASTM A53,GB/T3091,BS1387 System 2
  • Galvanized Oiled Painted Bare Welded Scaffolding Building Structure Pipe ASTM A53,GB/T3091,BS1387 System 3
Galvanized Oiled Painted Bare Welded Scaffolding Building Structure Pipe ASTM A53,GB/T3091,BS1387

Galvanized Oiled Painted Bare Welded Scaffolding Building Structure Pipe ASTM A53,GB/T3091,BS1387

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Loading Port:
Tianjin; Qingdao Port
Payment Terms:
TT or LC
Min Order Qty:
50MT m.t.
Supply Capability:
5000 Tons Per Month m.t./month

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1.Specification of Scaffolding Building Structure Pipe

1)Application: For low pressure liquid delivery such as water, gas and oil; For construction, e building greenhouse. Structure,Machinery,Airport,Railway,Building, Construction ect.

2)Standard: BS1139, EN39, EN10219, GB/T13793, JIS G3444, ASTM A53,GB/T3091,BS1387

3)Other Material: Q195,Q215,Q235,Q345

4)Surface Treatment: galvanized , oiled, painted , bare

5)End Treatment: beveled , plain , threaded  

5)Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.

7)Application: fence, construction.

8)Certificate: SGS, BV, Lloyds etc.

2.Size of Product

Outer Diameter: 27mm, 38mm, 42mm, 48.3-48.6mm

Thickness: 2.5mm, 2.75mm, 3.0mm, 3.25mm, 3.5mm, 3.75mm, 4.0mm

Length: 5.8m, 6.0m, 6.4m, 6.5m,0.3-18m3.

3.Packing&Delivery

Packing Detail: Big OD: in bulk; Small OD: packed by steel strips; Water-proof cloth ; According to Customer's requirement

Delivery Time: Usually in 20-30 days after receving the deposit or the LC

4. Data Sheet

Chemical Composition of Raw Materials

Mechanical Property of Raw Materials

Item

Chemical Composition %

Item

Mechanical Property

Steel

Steel

No.

C

Mn

S

P

Si

Al

Steel

Yield Point Mpa min

Tensile Strength Mpa

Elongat on % min

S235GT

1.0106

< 0.20

< 1.40

< 0.045

< 0.040

< 0.05

> 0.020

S235GT

235

340--520

24

 

5. Standard Size for Reference 

OD (mm)

WT (mm)

L (mm)

Tolerance (min) mm

Zinc Coating g/m2

48 -- 48.6

2--7

300 -- 6000

WT +/- 0.2 , L - 0 -- + 3

280--400

other size also can be manufactured, please contact us for detail information.

6. Products Showroom

construction scaffold building structure pipe

scaffold building structure pipe

Q:Is it good to buy a simple wardrobe or a steel pipe?
If the home place is big, buy Wooden, good-looking durable, if the place is small, buy cloth, easy to receive, mobile, tidy and cheap.
Q:What is the difference between carbon steel and stainless steel pipes?
Carbon steel pipes are made primarily from carbon and iron and are known for their strength and durability. However, they are prone to corrosion over time. On the other hand, stainless steel pipes are made from a combination of iron, chromium, and nickel, which makes them highly resistant to corrosion. Stainless steel pipes are also known for their aesthetic appeal, as they have a sleek and shiny appearance. Overall, the main difference between carbon steel and stainless steel pipes lies in their corrosion resistance properties.
Q:What's the difference between a rectangular tube and a rectangular steel tube?
Rectangular tube is a kind of hollow long strip steel, also known as flat tube, flat square tube or square flat tube (Gu Mingsiyi). A large amount of pipe used to transport fluids, such as petroleum,Natural gas, water, gas, steam, etc., in addition to bending and torsional strength of the same weight is lighter, so it is also widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
Q:Can steel pipes be used for oil refineries?
Yes, steel pipes can be used for oil refineries. Steel pipes are commonly used in oil refineries due to their durability, high strength, and resistance to corrosion, making them suitable for transporting crude oil and refined products under high pressure and harsh conditions.
Q:How are steel pipes used in the renewable energy sector?
Steel pipes are commonly used in the renewable energy sector for various purposes, primarily in the construction and installation of infrastructure for wind and solar energy projects. Steel pipes are used to support and anchor wind turbine towers, as well as to transport compressed air or hydraulic fluid for the operation of wind turbines. They are also utilized in the construction of solar panel frameworks, providing stability and durability. Additionally, steel pipes are used in geothermal energy projects for the extraction and transportation of hot water or steam from underground sources to power plants. Overall, steel pipes play a crucial role in enabling the efficient and reliable operation of renewable energy systems.
Q:What are the common standards for manufacturing steel pipes?
The common standards for manufacturing steel pipes include the American Society for Testing and Materials (ASTM) standards, the International Organization for Standardization (ISO) standards, and the American National Standards Institute (ANSI) standards. These standards cover various aspects such as material composition, mechanical properties, dimensions, testing procedures, and quality control requirements to ensure the consistency and reliability of steel pipes.
Q:How are steel pipes protected against electrolytic corrosion?
Steel pipes are protected against electrolytic corrosion through a variety of methods. One common method is the application of protective coatings on the surface of the pipes. These coatings act as a barrier, preventing direct contact between the steel and the surrounding environment, which includes moisture and other corrosive substances. Coatings such as epoxy, polyethylene, and zinc are commonly used for this purpose. Another method of protection is the use of sacrificial anodes. Sacrificial anodes are made from a metal that is more reactive than steel, such as zinc or aluminum. These anodes are attached to the steel pipes and, as they corrode over time, they sacrifice themselves to protect the steel. This process is known as cathodic protection and is highly effective in preventing electrolytic corrosion. In addition to coatings and sacrificial anodes, proper insulation and electrical isolation are crucial in protecting steel pipes from electrolytic corrosion. Insulating materials, such as rubber or plastic sleeves, are used to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which prevent the flow of electric current between different sections of the pipeline. Regular maintenance and inspection also play a key role in protecting steel pipes against electrolytic corrosion. Periodic checks for coating integrity, anode condition, and potential electrical leakage are essential to ensure the continued effectiveness of the corrosion protection system. Overall, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is necessary to protect steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be significantly extended, ensuring the safety and reliability of various applications such as water distribution, oil and gas transportation, and structural support in buildings and infrastructure.
Q:What is the difference between steel pipes and PVC pipes?
Steel pipes and PVC pipes differ in material composition and their respective properties. Steel pipes are made from a combination of iron and carbon, providing them with high strength and durability. They are suitable for carrying pressurized fluids and can withstand extreme temperatures. On the other hand, PVC pipes are made from a synthetic plastic material called polyvinyl chloride. They are lightweight, easy to install, and resistant to corrosion and chemicals. PVC pipes are commonly used for drainage systems, irrigation, and household plumbing.
Q:How are steel pipes used in the manufacturing of appliances?
Steel pipes are commonly used in the manufacturing of appliances as they are strong, durable, and resistant to corrosion. These pipes are used for various purposes such as supply and distribution of water, gas, and other fluids, as well as for structural support and framework in appliances. They are often used for creating the internal plumbing systems, ventilation ducts, and electrical conduits in appliances, ensuring efficient functioning and reliability.
Q:How are steel pipes used in the manufacturing of heat exchangers?
Steel pipes are commonly used in the manufacturing of heat exchangers due to their high strength and durability. They serve as the primary components for carrying hot or cold fluids within the heat exchanger system. The steel pipes facilitate the efficient transfer of heat between the two fluids by offering excellent thermal conductivity. Additionally, the corrosion-resistant properties of steel ensure the longevity and reliability of the heat exchanger, making it suitable for various industrial applications.
As the largest strip-steel production base in china, we can get the advantage of having the lowest goods transport cost. Our company covers an area of 80000 square meter, and transportation here is very convenient. We are mainly engaged in the manufacture and management of high frequency straight seam welded pipe. We now have 11 welded pipe production lines, with daily output of2800-3000 tons of welded pipe ranging from DN15--DN200 (1/2--8 inch),and the designed annual production capacity of 800,000 tons.

1. Manufacturer Overview

Location Hebei,China
Year Established 2005
Annual Output Value Above 100 Million RMB
Main Markets Main land;Middle East;Southeast Asia
Company Certifications ISO9001

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin;Qingdao
Export Percentage 41% - 50%
No.of Employees in Trade Department
Language Spoken: English;Chinese;Korean
b)Factory Information  
Factory Size: 120mu
No. of Production Lines 11
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range High Average

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