T/HNNMIA 96-2023 Active Group standards

T/HNNMIA 96-2023 3003 aluminum alloy and TC4 titanium alloy brazing technical specifications

Publish Date: 2023-12-29 Implement Date: 2023-12-31 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/HNNMIA 96-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: \nBrazing and low-temperature welding

Publish Date: 2023-12-29

Implement Date: 2023-12-31

Scope

Main technical content: This document is applicable to the induction brazing process and quality control of the scraper of shield tunneling machines. This document specifies the basic requirements for brazing techniques of 3003 aluminum alloy and TC4 titanium alloy, brazing materials, flux, brazing equipment and tooling, brazing process, quality requirements and inspection, etc. This document is applicable to the gas-shielded induction brazing and vacuum brazing processes of 3003 aluminum alloy and TC4 titanium alloy. Table 3: Recommended heating rates/℃·min-1 for 3003 aluminum alloy and TC4 titanium alloy brazing. Waiting to weld area/mm2. Vacuum brazing Gas-shielded induction brazing <5030-4080-10050-10010-1220-30>100 Less than 1015-20 Table 4: Tensile strength of 3003 aluminum alloy and TC4 titanium alloy brazed joints. Tensile strength/MPa. Breakage location ≥100. The sample breaks at the aluminum alloy base material.