T/FQIA 019-2023 Active Group standards

T/FQIA 019-2023 Hexagonal Flange Serrated Lock Nut Assembly

T/FQIA 019-2023 Hexagon flange ratchet gear anti-loosening combination nut

Publish Date: 2023-12-11 Implement Date: 2023-12-30 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/FQIA 019-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: \nNut

Publish Date: 2023-12-11

Implement Date: 2023-12-30

Pages: 9 pages

Scope

Scope: This document specifies the technical requirements, test methods, inspection rules, marking, packaging, storage, and maintenance of hexagonal flange anti-loosening combination nuts. This document applies to hexagonal flange anti-loosening combination nuts with thread specifications of M18 to M30 and made of high-quality alloy structural steel. Main technical content: 1. Scope: This document specifies the technical requirements, test methods, inspection rules, marking, packaging, storage, and maintenance of hexagonal flange anti-loosening combination nuts. This document applies to hexagonal flange anti-loosening combination nuts with thread specifications of M18 to M30 and made of high-quality alloy structural steel. 2. Main technical content: 1. Scope 2. Normative references 3. Terms and definitions 4. Technical requirements 4.1 General requirements 4.2 Materials 4.3 Structural types and main dimensions 4.4 Mechanical properties 4.5 Threads 4.6 Decarburization layer 4.7 Anti-loosening performance 4.8 Product defects 4.9 Surface treatment 4.10 Marking 5. Test methods 5.1 Structural types and main dimensions 5.2 Mechanical properties 5.3 Thread inspection 5.4 Decarburization layer 5.5 Anti-loosening performance 5.6 Surface treatment 6. Inspection rules 6.1 General provisions 6.2 Batch inspection 6.3 Inspection items 6.4 Type inspection 6.5 Judging rules 7. Marking, packaging, storage, and maintenance