When it comes to Longitudinally Submerged Arc Welded (LSAW) steel pipes, there are several key qualification certifications and standards that are relevant to ensure the quality, safety, and compliance of these pipes. Here are some of the important qualification certifications related to LSAW Steel Pipes:

1. API 5L: The American Petroleum Institute (API) specification for line pipe, including LSAW Pipes used in oil and natural gas industries. API 5L sets standards for the manufacturing and testing of pipes to ensure quality and performance.

2. ISO 3183: This International Organization for Standardization (ISO) standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipelines for transportation of natural gas, petroleum, and other fluids.

3. ASME B36.10M/B36.19M: These American Society of Mechanical Engineers (ASME) standards cover the dimensions and tolerances of seamless and welded steel pipes for high and low-temperature services. Compliance ensures proper dimensions and quality of LSAW pipes.

4. EN 10219: This European standard specifies technical delivery conditions for cold-formed welded structural hollow sections of circular, square, or rectangular shapes. It includes requirements for the manufacturing of LSAW pipes for structural applications.

5. AWS D1.1/D1.1M: The American Welding Society (AWS) Structural Welding Code for steel covers the welding requirements for LSAW steel pipes used in structural applications. Compliance ensures the quality of welds and overall pipe integrity.

6. DNV-OS-F101: The Det Norske Veritas (DNV) standard provides guidelines for the design, fabrication, and testing of offshore steel structures, including pipelines. Compliance ensures the reliability and safety of LSAW pipes used in offshore applications.

7. BS 7191: British Standard for steel plate, sheet, and strip. It specifies requirements for weldable structural steels, including those used in the production of LSAW pipes for various applications.

8. ASTM A252: This specification covers steel pipe piles used in foundation construction for buildings, bridges, and other structures. LSAW pipes meeting ASTM A252 standards are commonly used in deep foundation applications.

9. EN 10217: European standard that specifies the technical delivery conditions for electric welded steel tubes for pressure purposes. This standard covers LSAW pipes used in pressure applications such as conveying gas, water, and oil.

10. ISO 9001: While not specific to LSAW pipes, ISO 9001 certification ensures that the manufacturer has a quality management system in place to consistently meet customer requirements and regulatory standards. It is a general certification that signifies the manufacturer's commitment to quality.

11. PED (Pressure Equipment Directive): For LSAW pipes used in pressure applications, compliance with the PED directive is crucial. This EU directive sets requirements for the design, manufacturing, and conformity assessment of pressure equipment, including pipes.

12. CE Marking: In the European Economic Area, the CE marking indicates that a product complies with EU legislation and can be legally placed on the market. LSAW pipes intended for use in Europe should ideally carry the CE marking to demonstrate compliance with relevant directives.

When procuring LSAW steel pipes, it's important to verify that the manufacturer holds the necessary certifications and complies with the appropriate standards for the specific application of the pipes. Adherence to these qualifications ensures that the LSAW pipes meet industry standards, are of high quality, and are suitable for their intended use.