T/YNSX 7-2020 Active Group standards

T/YNSX 7-2020 Large-caliber High Molecular Weight High Density Polyethylene (HMWHDPE) Hollow Plastic Steel Composite Coiled Wall Pipe Material

Publish Date: 2020-07-28 Implement Date: 2020-08-13 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/YNSX 7-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Plastic profiles

ICS Name: Plastic Composite

Publish Date: 2020-07-28

Implement Date: 2020-08-13

Scope

Main technical content: This document specifies the terms and definitions, symbols and abbreviations, materials, marking and classification, pipe structure and connection methods, technical requirements, test methods, inspection rules, marking, transportation, and storage of large-diameter high-molecular-weight high-density polyethylene (HMWHMWHDPE) hollow plastic-steel composite wrapped structure wall pipes. This document is applicable to large-diameter high-molecular-weight high-density polyethylene (HMWHMWHDPE) hollow plastic-steel composite wrapped structure wall pipes (hereinafter referred to as "pipes") used for long-term conveying of media with a temperature below 40℃ in buried urban domestic drainage, industrial drainage, and agricultural drainage systems.