Standards

Current Category: CN-HB - Aviation

Status: All
All Active Pending Replaced Abolished Abolished (Transferred)
Publish Year: 2023
All 2026 2025 2024 2023 2022 2021& Before
HB 8697-2023 Active

HB 8697-2023 Making and evaluating the standard aluminum alloy flat bottom hole ultrasonic testing specimen

This document specifies the specifications and types of standard test blocks with aluminum alloy flat-bottomed holes for ultrasonic testing, material requirements, production procedures and requirements, and the testing and evaluation of the test blocks. This document is applicable to the production and evaluation of standard test blocks with aluminum alloy flat-bottomed holes for ultrasonic testing.

Publish Date: 2023-12-29
HB 8698-2023 Active

HB 8698-2023 Method for determining the nominal strength reference value of detail fatigue of metal material during punching process

This document specifies the specimens, testing devices, testing procedures, test data processing, and test reports for determining the fatigue rating strength reference values of open-hole details in metal materials. This document is applicable to determining the fatigue rating strength reference values of open-hole details in metal materials at room temperature.

Publish Date: 2023-12-29
HB 8699-2023 Active

HB 8699-2023 HB 8699-2023 Metal Material Detail Fatigue Roughness Coefficient Measurement Method

This document specifies the specimens, test devices, test procedures, test data processing, and test reports for determining the fatigue roughness coefficient of metal materials at the microscopic level. This document is applicable to determining the fatigue roughness coefficient of metal materials under room temperature conditions, without stress concentration details of fasteners.

Publish Date: 2023-12-29
HB 8701-2023 Active

HB 8701-2023 HB 8701-2023 Civil Aircraft Fuel One-way Valve Specification

This document specifies the technical requirements, quality assurance provisions, and packaging and storage requirements for one-way valves used in civil aircraft fuel systems. This document is applicable to the design, manufacture, testing, and acceptance of one-way valves used in civil aircraft fuel systems (with fuel and fuel vapor as the medium).

Publish Date: 2023-12-29