hot dip galvanized steel pipe schedule 40

hot dip galvanized steel pipe schedule 40

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 m.t./month

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Galvanized Pipe America-Standard ASTM A500 API 5L 100g/200g Hot Dipped Pipe

Specification

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
Shape	Round Pipe	Square Pipe	Rectangular pipe
Dimensions	O.D 1/4''~52''	1010~12001200mm	1020~10001200mm
Wall thickness	0.6~60mm	0.6~40mm	0.6~40mm
Length	Normal 6 meters long or Random lenght
Tolerance	O.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 time	Within 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: What is the difference between API 5L and ASTM A53 steel pipes?: API 5L and ASTM A53 steel pipes differ mainly in their specifications and intended applications. API 5L is a standard for seamless and welded steel pipes used for transportation of oil, gas, and water in the petroleum and natural gas industries. It specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. While both standards have similarities, they have different scopes and requirements, making them suitable for distinct purposes in different industries.

Q: Can steel pipes be used for underground water supply systems?: Yes, steel pipes can be used for underground water supply systems. Steel pipes are durable, strong, and can withstand harsh conditions, making them suitable for underground installations. Their corrosion resistance properties and ability to withstand high pressure make them a reliable choice for transporting water underground.

Q: A333gr6 steel pipe and domestic material of the same?: A333Gr.6 steel is no nickel steel is a kind of fine grain aluminum low temperature toughness of steel, therefore, also called Al killed steel. A333Gr.6 belongs to the United States ANSI and ASTM-SA333 cryogenic steel standards and is used at the lowest impact temperature of -46 degrees celsius. Its temperature, range of use and fracture toughness value are similar to those of domestic 16Mn steel (the minimum usage temperature of 16Mn steel is -40 degrees Celsius).

Q: Fastener type steel pipe scaffold external parts name: Steel pipeScaffold steel pipe should adopt outer diameter 48mm and wall thickness 3.5mm welded steel pipe, also can use outer diameter 51mm and wall thickness 3.1mm welded steel pipe. For horizontal horizontal rods, the maximum length of steel pipe shall not be greater than 2m; other poles shall not be greater than 6.5m, and the maximum mass of each steel tube shall not exceed 25kg, so as to be suitable for manual handling.

Q: How are steel pipes used in the construction of tunnels?: Steel pipes are commonly used in the construction of tunnels to provide structural support, facilitate drainage systems, and carry various utilities such as water, gas, or electrical cables. These pipes are often installed as part of the tunnel's foundation or as a protective casing for the tunnel's infrastructure.

Q: What is the outer diameter and wall thickness of DN40 steel pipe?: DN40, refers to the diameter of 40mm, that is, an inch and a half, there are welded pipe and galvanized pipe,Ordinary wall thickness 3.5mm wt 3.84kg/mThicken 4.25mm weight 4.58kg/m

Q: What are the different types of steel pipe unions?: Various industries and applications commonly utilize several types of steel pipe unions. Some of the most frequently used types are as follows: 1. Threaded Union: This union features female threads on both ends, facilitating easy attachment to two male threaded pipes. It ensures a reliable connection that is resistant to leaks. 2. Socket Weld Union: On one end, this union has a socket, while the other end is equipped with a female threaded connection. It is specifically designed for socket welding, where the pipe is inserted into the socket and then welded around the joint, resulting in a robust and long-lasting connection. 3. Butt Weld Union: This specific union is employed for joining two pipes with butt weld ends. It necessitates beveling the pipes and subsequently welding them together, creating a sturdy and permanent connection. 4. Compression Union: Typically used for connecting pipes made of softer materials like copper or plastic, compression unions consist of a compression nut and a compression ring. These components are tightened onto the pipe, ensuring a tight and secure seal. 5. Flanged Union: This union is equipped with flanges on both ends, allowing it to be bolted onto two flanged pipes. Flanged unions are commonly utilized in applications where easy disassembly and reassembly are necessary. 6. Grooved Union: Grooved unions possess grooves on their ends, which are utilized for connecting pipes by inserting them into the grooves and securing them with a coupling. They are often utilized in fire protection systems and other applications where quick installation and easy maintenance are of utmost importance. These examples represent only a fraction of the numerous types of steel pipe unions available. The selection of a union depends on the specific requirements of the application, such as the pipe material, size, and operating conditions. Seeking advice from a professional or consulting industry standards can aid in determining the most suitable union for a particular project.

Q: What is a flange and how is it used in steel pipes?: A flange is a flat, circular fitting that is attached to the end of a steel pipe. It is used to connect two pipes or fittings together, allowing for easy assembly and disassembly of the pipeline system. The flange provides a secure and leak-proof connection by bolting the flange to the adjacent flanges or equipment. It also allows for the attachment of valves, pumps, or other components to the pipeline. Overall, flanges play a crucial role in ensuring the integrity and functionality of steel pipes in various industrial applications.

Q: Can steel pipes be used for geothermal systems?: Yes, steel pipes can be used for geothermal systems. Steel is a commonly used material for geothermal applications due to its durability, strength, and resistance to corrosion. It can effectively withstand the high temperatures and pressures associated with geothermal systems, making it a suitable choice for transporting the geothermal fluid to and from the heat source.

Q: How do you calculate the weight of a steel pipe?: In order to determine the weight of a steel pipe, one must possess knowledge of the pipe's dimensions, specifically the outer diameter (OD), wall thickness, and length. Initially, one must ascertain the cross-sectional area of the pipe. This can be accomplished by subtracting the inner diameter (ID) from the outer diameter (OD) and dividing the outcome by 2 to acquire the radius. Subsequently, the formula A = πr^2 can be employed to compute the area. Following this, it is necessary to multiply the cross-sectional area by the length of the pipe to obtain the volume. The formula for volume is V = A * L, where A denotes the cross-sectional area and L signifies the length. Lastly, to determine the weight of the steel pipe, one must multiply the volume by the density of steel. The density of steel generally falls around 7850 kilograms per cubic meter (kg/m^3) or 0.2836 pounds per cubic inch (lb/in^3). The formula for weight is W = V * ρ, where V represents the volume and ρ denotes the density of steel. It is crucial to note that if one is employing different units, a conversion is imperative to match the units of the density. For instance, if the length is in feet and the density is in pounds per cubic inch, the length must be converted to inches prior to conducting the calculations. Always remember to thoroughly verify your measurements and calculations to ensure precision.

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