T/QGCML 3278-2024 Active Group standards

T/QGCML 3278-2024 High-strength hexagon head bolts for steel structures

Publish Date: 2024-03-07 Implement Date: 2024-03-22 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 3278-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Bolts, screws, and studs

Publish Date: 2024-03-07

Implement Date: 2024-03-22

Scope

Main technical content: This document specifies the terms and definitions, raw materials, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage for high-strength hexagonal head bolts with thread sizes from M12 to M30. This document is applicable to railway and highway bridges, boiler steel structures, industrial plants, high-rise civil buildings, tower crane structures, lifting machinery, and other steel structures with friction-type high-strength bolt connections.