WELDED LSAW STEEL PIPE

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LSAW Steel Pipe

1 Size: 219-3200 mm*5-25.4mm
2 Material Q235/Q345/20#/X42-X65/J55 etc

Standard:
EN-10208-1/2, GB9711.1/2 etc.

Steel Grade:
B, X42 up to X70; L245, L290 up to L48

Usage:
Used for Steel Structure

Size:
LSAW from 219.1mm to 3200mm, thickness from 5mm to 25.4mm
Ends: Beveled ends with protector

Surface:
Bare / Varnish coating / FBE, 3PE coating DIN30670 / or by client option

Packing:
Casing, bundled shipping in containers or by break bulk vessel

Process	Longitudinal Submerged- Arc Welded Steel Pipe (DSAW -Double Submerged arc welded)
Usage	Used for liquid delivery, such as water, gas, and oil; construction and piling
Standard	API 5L(PSL1,PSL2), ASTM A252,EN10217, EN10219,KS F4602, KS D3583, BS, JIS, IS
Certificate	ISO 9001:2008, ISO 14001, ISO 18001, API 5L (PSL1, PSL2),EN10217, EN10219 and so on.
Outside Diameter	323.9 mm-2134 mm (12"-84")
Wall Thickness	6 mm - 80mm
Length	6 – 14 m
Grade	API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70 ASTM A252 GR 1, GR 2, GR 3 EN 10219: S275, S275JR, S355JRH, S355J2H EN 10224, L235,L275,L355
Surface	Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Varnish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Test	Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Hydrostatic Test, X-ray Test,Size Inspection.
Mill Test Certificate	Mill Test Certificate:EN 10204/3.1B

Q: What is the standard length of a steel pipe?: The standard length of a steel pipe can vary depending on the application and industry, but commonly it ranges from 18 to 24 feet.

Q: Can steel pipes be used in the oil and gas industry?: Yes, steel pipes are commonly used in the oil and gas industry. They are known for their high strength, durability, and resistance to corrosion and high pressure, making them suitable for transporting oil and gas.

Q: Can steel pipes be used for underground fuel pipelines?: Yes, steel pipes can be used for underground fuel pipelines. Steel pipes are commonly used for various types of pipelines due to their durability, strength, and resistance to corrosion. When it comes to underground fuel pipelines, steel pipes are a popular choice due to their ability to withstand high pressure and temperature fluctuations. Additionally, steel pipes provide excellent protection against external elements, such as soil movement or chemical reactions, ensuring the safety and integrity of the fuel transportation system. Proper insulation and coating can further enhance the corrosion resistance of steel pipes, making them a reliable option for underground fuel pipelines.

Q: What are the different types of steel pipe supports?: There are several types of steel pipe supports, including pipe hangers, pipe clamps, pipe saddles, pipe brackets, and pipe supports with rollers.

Q: What are the common standards for steel pipe manufacturing?: The common standards for steel pipe manufacturing include specifications set by organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the American National Standards Institute (ANSI). These standards cover various aspects such as size, dimensions, material properties, manufacturing process, and testing requirements to ensure the quality and consistency of steel pipes.

Q: What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?: Butt fastener: used for connecting two steel pipe joints.The base and the pad: is set up in the bottom of the pedestal pole, pay attention to the distinction between base and the base plate, usually with steel plate and welded steel pipe, base usually put on a backing plate, and the plate can be wood can also be plate.The foot board (see the diagram below), safety net (no explanation, this is very simple).

Q: How do steel pipes handle thermal expansion?: Steel pipes handle thermal expansion by expanding and contracting with changes in temperature. When the pipe is heated, it expands in length and diameter, and when it cools down, it contracts. To accommodate this expansion and contraction, steel pipes are usually installed with expansion joints or loops that allow them to flex and absorb the thermal expansion without causing damage or stress on the pipe or its connections. This helps to prevent leaks, buckling, or structural failures caused by the expansion and contraction of the steel pipe.

Q: Can steel pipes be used for underground gas storage?: Yes, steel pipes can be used for underground gas storage. Steel pipes are commonly used for transporting and storing various types of gases, including natural gas, due to their strength, durability, and resistance to corrosion. They are able to withstand high pressures and can be designed to meet the specific requirements of underground gas storage facilities. Additionally, steel pipes can be coated or lined with materials to further enhance their resistance to corrosion and to prevent any potential leaks. However, it is important to ensure that proper safety measures and regulations are followed during the construction and operation of underground gas storage facilities to prevent any potential risks or hazards.

Q: Can steel pipes be bent or shaped to meet specific requirements?: Yes, steel pipes can be bent or shaped to meet specific requirements through various techniques such as hot bending, cold bending, or using specialized machinery like pipe benders.

Q: Are steel pipes suitable for use in mining applications?: Yes, steel pipes are suitable for use in mining applications. They are highly durable, resistant to corrosion, and can withstand high pressure and extreme temperatures often encountered in mining operations. Additionally, steel pipes have excellent structural integrity and can be easily welded, making them ideal for various mining activities such as transporting fluids, ventilation systems, and underground infrastructure.

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