T/ZZB 3291-2023 Active Group standards

T/ZZB 3291-2023 Mining machine bolt

Publish Date: 2023-10-25 Implement Date: 2023-11-20 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/ZZB 3291-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2023-10-25

Implement Date: 2023-11-20

Scope

Main technical content: This document specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments for bolts used in mining machines. This document is applicable to bolts used in mining machines, which are made of carbon steel or alloy steel and have a performance grade of 10.9 in GB/T 3098.1—2010