Name: Petroleum and Natural Gas Industries — Steel Pipe for Pipeline Transportation Systems
Scope: This standard specifies the technical delivery conditions for steel pipes used in pipeline transportation systems for the petroleum and natural gas industries. It includes requirements for manufacturing, material specifications, dimensions, and testing to ensure reliability and safety under high pressure and harsh conditions.
Name: Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
Scope:This standard specifies the requirements for circular steel flanges suitable for use with pipes, valves, fittings, and other piping components. It covers dimensions, tolerances, materials, pressure-temperature ratings, and testing to ensure compatibility and safety in various industrial applications.
Name: Seamless Steel Tubes for Pressure Purposes — Technical Delivery Conditions — Part 1: Unalloyed Steel Tubes with Specified Room Temperature Properties
Scope: This standard establishes the technical delivery conditions for seamless tubes made from unalloyed steels with specific room temperature properties, primarily used for pressure applications. It includes specifications for dimensions, material properties, testing, and inspection to ensure compliance with industrial requirements.
Name: Seamless Steel Tubes for Pressure Purposes — Technical Delivery Conditions — Part 2: Unalloyed and Alloyed Steel Tubes with Specified Elevated Temperature Properties
Scope: This standard specifies the technical delivery conditions for seamless steel tubes made from unalloyed and alloyed steels, designed for pressure purposes with specified elevated temperature properties. It outlines requirements for dimensions, material specifications, testing, and inspection to ensure suitability for high-temperature applications.
Name: Welded Steel Tubes for Pressure Purposes — Technical Delivery Conditions — Part 1: Electric Welded and Submerged Arc Welded Unalloyed Steel Tubes with Specified Room Temperature Properties
Scope: This standard specifies the technical delivery conditions for electric welded and submerged arc welded unalloyed steel tubes intended for pressure purposes with specified room temperature properties. It includes requirements for dimensions, material specifications, testing, and inspection to ensure compliance with industrial applications.
Name: Welded Steel Tubes for Pressure Purposes — Technical Delivery Conditions — Part 2: Electric Welded Non-Alloy and Alloy Steel Tubes with Specified Elevated Temperature Properties
Scope: This standard specifies the technical delivery conditions for electric welded non-alloy and alloy steel tubes intended for pressure purposes with specified elevated temperature properties. It outlines requirements for dimensions, material specifications, testing, and inspection to ensure suitability for high-temperature applications.
