LSAW (Longitudinal Submerged Arc Welded) pipe is a type of steel pipe manufactured by using the submerged arc welding process. LSAW pipe is a popular choice for a variety of applications due to its strength, durability, and versatility.
Standards and Chemical Composition
LSAW pipe is manufactured in accordance with various international standards such as API 5L, ASTM A252, ASTM A53, EN10219, and EN10217. These standards specify the requirements for the chemical composition and mechanical properties of the pipe.
The chemical composition of LSAW pipe typically includes carbon, manganese, silicon, sulfur, and phosphorus. The maximum limits for these elements are specified in the standards to ensure the quality and consistency of the pipe. For example, according to API 5L, the maximum carbon content in LSAW pipe is 0.28%, while the maximum manganese content is 1.20%.
Mechanical Properties
LSAW pipe is known for its excellent mechanical properties such as high tensile strength, impact resistance, and toughness. The mechanical properties of the pipe are also specified in the standards. For example, according to API 5L, the minimum yield strength of LSAW pipe is 245 MPa, while the minimum tensile strength is 415 MPa.
Applications and Advantages
LSAW pipe is widely used in various industries such as oil and gas, water supply, construction, and transportation. It is particularly suitable for applications that require high strength and durability, such as pipelines, piling, and structural support.
One of the main advantages of LSAW pipe is its ability to withstand high pressure and stress. It is also resistant to corrosion and can withstand harsh environmental conditions. Additionally, LSAW pipe is easy to fabricate and install, making it a cost-effective choice for many applications.
In summary, LSAW pipe is a popular type of steel pipe that offers excellent mechanical properties, chemical composition, and durability. It is widely used in various industries and applications due to its strength, resistance to corrosion, and cost-effectiveness. By following international standards, manufacturers can ensure the quality and consistency of LSAW pipe, making it a reliable choice for many projects.
Standard | API 5L psl1/psl2, ISO9000, DIN2240, ASTM A500, A501, A53 EN10219/EN10210, JIS G3466, GB/T6728,GB/T3094,GB/T3091,GB/T9711 |
Sizes | 219mm to 2032mm |
Thickness | 4mm to 30mm |
NDT Test | UT, RT, hydrostatic |
Beveled Edges | 30DEG,(-0, +5) |
Length | 3m-max.24meters,or as required |
Surface treatment | Black painted/galvanizing etc. |
Hot Expanded Ends | Available |
Packing | Loosed PCS/nylon rope(for the coating pipes) |
Transportation | By 20/40FT containers or by bulk vessels as per condition |
Pile shoe | OEM/ODM(for piling) |
Third-party inspection | SGS/BV/JIS/ISO/API/GB/BC1/EPD&PHD |
Application | Water/fluid transportation, piling, structural supports, dredging, etc. |
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