T/CAS ES210304001-2022 Active

Scope: This document specifies the evaluation procedures and requirements for quality grading of steel tower containers, evaluation methods, and quality grading. This document applies to single-layer welded steel tower containers (including nickel-steel composite steel plates and nickel-clad welded tower containers), except for the following products: — Non-ferrous metal composite steel tower containers; — Non-ferrous metal welded lining tower containers; — Multi-layer wrapped structure tower containers; — Reaction vessels; — Heat exchange vessels. Main Technical Content: 1. Scope: This document specifies the evaluation procedures and requirements for quality grading of steel tower containers, evaluation methods, and quality grading. This document applies to single-layer welded steel tower containers (including nickel-steel composite steel plates and nickel-clad welded tower containers), except for the following products: — Non-ferrous metal composite steel tower containers; — Non-ferrous metal welded lining tower containers; — Multi-layer wrapped structure tower containers; — Reaction vessels; — Heat exchange vessels. 2. Normative References: The content of the following documents is an integral part of this document through normative references. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; the referenced documents without a specified date apply to the latest version (including all amendment sheets) of the document. GB/T 150 (all parts) Pressure Vessels GB/T 4336 Carbon and Low-Alloy Steels Determination of Multiple Element Content by Spark Discharge Atomic Emission Spectrometry (Conventional Method) GB/T 11170 Stainless Steels Determination of Multiple Element Content by Spark Discharge Atomic Emission Spectrometry (Conventional Method) GB/T 13298 Methods for Examination of Metal Microstructures GB/T 17394 (all parts) Metal Materials Leeb Hardness Test GB/T