T/CAS ES015508001-2022 Active

Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for welded steel pipes (straight seam submerged arc welded pipes) used in pipeline transportation systems in the oil and gas industry. This document is applicable to the quality grading evaluation activities of welded steel pipes (straight seam submerged arc welded pipes) used in pipeline transportation systems in the oil and gas industry. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for welded steel pipes (straight seam submerged arc welded pipes) used in pipeline transportation systems in the oil and gas industry. This document is applicable to the quality grading evaluation activities of welded steel pipes (straight seam submerged arc welded pipes) used in pipeline transportation systems in the oil and gas industry. 2. Normative references: The following documents are essential for the application of this document. For all referenced documents with a specified date, only the version specified on that date is applicable to this document. For all referenced documents without a specified date, the latest version (including all amendment sheets) is applicable to this document. - GB/T 8363 Steel - Drop-Weight Tear Test Method - GB/T 9711-2017 Steel Pipes for Pipeline Transportation Systems in the Oil and Gas Industry - T/CAS ES000000001-2022 (V01) Rules for Quality Grading Evaluation of Industrial Products - General Principles - API RP 5L3 Drop-Weight Tear Tests on Line Pipe - API SPEC 5L Line Pipe Specification - ASTM A370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products - ASTM E3 Standard Guide for Preparation of Metallographic Specimens - ASTM E23 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials - ASTM E384 Standard Test Method for Microindentation Hardness of Materials - ASTM E415 Standard Test Method