T/GDSS 001-2021 Active Group standards

T/GDSS 001-2021 Decorative stainless steel welded pipe

Publish Date: 2021-12-18 Implement Date: 2022-01-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GDSS 001-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Piping accessories

ICS Name: Special-purpose pipe steel

Publish Date: 2021-12-18

Implement Date: 2022-01-18

Scope

Scope: This document specifies the classification, designation, technical requirements, test methods, inspection rules, packaging, and storage of stainless steel welded pipes for decoration purposes. This document is applicable to stainless steel welded pipes for decoration used in municipal facilities, road and bridge guardrails, architectural decoration, protective nets, handrails, kitchenware, medical devices, and general mechanical structural components, etc. Main technical content: This document specifies the classification, designation, technical requirements, test methods, inspection rules, packaging, and storage of stainless steel welded pipes for decoration. This document replaces T/GDSS 001—2018 "Stainless Steel Welded Pipes for Decoration". Compared with T/GDSS 001—2018, the main technical changes are as follows: —— The requirements and examples of model identification have been changed; —— The phosphorus (P) element content requirements in SUS304 material have been changed; —— Three new steel grades, J4, J1, and J3, and their corresponding element compositions and physical properties have been added; —— The hardness inspection items and their test methods have been added to Table 13; —— The dimensional deviation requirements for pipes have been modified; —— The relevant provisions on packaging and marking of pipes have been modified; —— The sampling quantity and batching rules for pipes have been modified; —— The welding and heat treatment methods for pipes have been deleted; —— The bending test in the process performance of pipes has been deleted; —— The terms "stainless steel welded pipes for decoration", "drawing", "embossing", and "printing" have been added; —— Three delivery states and their corresponding designations have been added; —— The requirements for embossing depth, printing depth, and surface gloss of pipes have been added; —— The versions of normative reference documents have been updated.