T/QGCML 4992-2025 Active Group standards

T/QGCML 4992-2025 The internal grinding device for producing seamless steel pipes with a bipolar steel flange

Publish Date: 2025-07-21 Implement Date: 2025-08-05 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/QGCML 4992-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Dental instruments, equipment, and materials

ICS Name: Abrasives and grinding tools

Publish Date: 2025-07-21

Implement Date: 2025-08-05

Scope

This document specifies the terminology definitions, structural components, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of the inner bore grinding device for seamless steel pipes of duplex steel (hereinafter referred to as the "device"). This document is applicable to the design, manufacture, and acceptance of inner bore grinding devices for raw pipes with a diameter of Φ50 mm to Φ500 mm and a length of ≤12 m.