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EVS-EN 16602-70-40:2023

Space product assurance - Processing and quality assurance requirements for hard brazing of metallic materials for flight hardware

General information

Valid from 17.07.2023
Base Documents
EN 16602-70-40:2023
Directives or regulations

Standard history

This Standard specifies the processing and quality assurance requirements for brazing processes for space flight applications. Brazing is understood as the joining and sealing of materials by means of a solidification of a liquid filler metal.
The term brazing in this standard is used as equivalent to soldering, in cases that the filler materials have liquidus temperatures below 450 °C.
Brazing and soldering are allied processes to welding and this standard is supplementing the standard for welding ECSS-Q-ST-70-39.
This standard does not cover requirements for:
• Joining processes by adhesive bonding (ECSS-Q-ST-70-16),
• Soldering for electronic assembly purposes (ECSS-Q-ST-70-61),
• Soldering used in hybrid manufacturing (ESCC 2566000).
The standard covers but is not limited to the following brazing processes:
• Torch brazing,
• Furnace brazing,
• Dip Brazing and Salt-bath brazing,
• Induction Brazing.
This Standard does not detail the brazing definition phase and brazing pre-verification phase, including the derivation of design allowables.
This standard may be tailored for the specific characteristic and constraints of a space project in conformance with ECSS-S-ST-00.

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