hot dip galvanized steel pipe schedule 40

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
60000 m.t./month
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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,ERW,Saw,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized
Steel Grade:
Q235,Q235B,SS400-SS490
Thickness:
0.6~40mm
Length:
6 meters
Net Weight:
N/M

schedule 40 galvanized steel pipe are widely used in construction, steel structure, machinery etc. we can produce as per international standards. Our pipes are popluar among customers in the world for their qualith and reasonable price

For further more informations about our steel pipe products, please see as follow table

Commodity

schedule 40 galvanized steel pipe
ShapeRound PipeSquare PipeRectangular pipe
DimensionsO.D 1/4''~52''10*10~1200*1200mm10*20~1000*1200mm
Wall thickness0.6~60mm0.6~40mm0.6~40mm
LengthNormal 6 meters long or Random lenght
ToleranceO.D: +/- 5%, Thickness: +/- 5%; Length: +/-10%
Producing standard

Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001.

Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466 etc

Steel Grade

Carbon steel: Q195, Q215,Q235,Q345;SS400, STK400, STK490, ASTM A500, A53, ST37, ST35 etc.

Surface treatment

Hot dip galvanized, painting, oil, plastic powder coating, plain/beveled ends or threaded with sockets/coupling and plastic caps etc.

Inspections

With hydraulic testing, eddy current and infrared test etc

Usages

Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low

pressure fluid pipe for water oil or gas, Boiler pipe

Package

In bundles by steel strips, waterproof woven cloth with 7 slats, then pack into 20' or 40' container, in bulk or as per your requirements

Lead timeWithin 20 days or as per your requirements
Others

1:Special design available according to requirement.

2:Pipe can be painting.

3:All production process are under the ISO9001:2000 strictly.














































Q:
Steel pipes are commonly used in the aerospace manufacturing industry for various applications. They are primarily used for the construction of aircraft structures, such as fuselages, wings, and landing gear. Steel pipes offer excellent strength and durability, making them suitable for withstanding the extreme conditions experienced during flight. Additionally, they are used in the aerospace industry to transport fluids, such as fuel and hydraulic systems, due to their ability to handle high pressure and temperature. Overall, steel pipes play a critical role in ensuring the safety, reliability, and performance of aircraft in the aerospace manufacturing industry.
Q:
Yes, steel pipes can be used for industrial ventilation systems. Steel pipes are commonly used in such systems due to their durability, resistance to high temperatures, and ability to handle high airflow volumes. They are also cost-effective and can be easily fabricated to meet specific requirements of an industrial ventilation system.
Q:
There are several different shapes available for steel pipes, including round, square, rectangular, and oval.
Q:
The common grades of steel used in pipes include carbon steel, stainless steel, and alloy steel.
Q:
Steel pipes are installed underground through a process called trenchless installation or open trench excavation. In trenchless installation, a drilling machine creates a tunnel underground, and the steel pipes are then inserted into the tunnel using a technique called pipe jacking or horizontal directional drilling. In open trench excavation, a trench is dug, and the steel pipes are laid in the trench before being covered with backfill material.
Q:
The lifespan of steel pipes can vary depending on several factors, including the quality of the steel used, the environment in which they are installed, and the maintenance and care given to them. Generally, steel pipes are known for their durability and longevity. With proper installation and regular maintenance, steel pipes can last for several decades, often exceeding 50 years. However, it is important to note that external factors such as corrosion, exposure to extreme temperatures, and chemical reactions can significantly affect their lifespan. Regular inspections, timely repairs, and protective coatings can help extend the life of steel pipes, ensuring their reliability and functionality for many years.
Q:
Steel pipes are coated to prevent external corrosion through a process called external coating. This typically involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipe. The coating acts as a barrier, preventing moisture and other corrosive substances from coming into contact with the steel. This helps to prolong the life of the pipe and maintain its structural integrity.
Q:
There are several types of steel pipe connections, including threaded connections, welded connections, flanged connections, and grooved connections.
Q:
The creep resistance of steel pipes refers to their ability to withstand deformation or strain under long-term exposure to high temperatures and constant stress. Steel pipes exhibit good creep resistance due to their high melting point and structural integrity, making them suitable for applications that involve elevated temperatures and prolonged use.
Q:
The main difference between steel pipes and copper-nickel pipes lies in their composition and characteristics. Steel pipes are primarily made of iron and carbon, whereas copper-nickel pipes are made of a combination of copper and nickel with trace amounts of other elements. Steel pipes are known for their strength and durability, making them suitable for a wide range of applications, particularly in industries where high pressure and temperature conditions are present. Steel pipes are also relatively cost-effective and have good corrosion resistance, especially when coated or galvanized. On the other hand, copper-nickel pipes are highly resistant to corrosion and have excellent heat transfer properties. They are commonly used in marine environments due to their resistance to saltwater corrosion. Copper-nickel pipes also exhibit antimicrobial properties, making them suitable for applications in healthcare and food processing industries. However, copper-nickel pipes are generally more expensive than steel pipes. In summary, steel pipes are valued for their strength and affordability, while copper-nickel pipes offer superior corrosion resistance and heat transfer properties, but at a higher cost. The choice between the two depends on the specific requirements of the application.

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