Fittings and Bosses, Pipe Threaded, Fluid Connection, Procurement Specification
AS4842B
This SAE Aerospace Standard (AS) establishes the requirements for pipe threaded fluid connection fittings (see Section 6) for use in all types of fluid systems.
Rationale:
Revise AS4842 by including individual tables showing recommended operating pressure ratings for fittings when used on CRES and Al Alloy tubing. Document title revised. Note 2.1 updated to include specifications mentioned herein. Flagnotes /7/ through /10/ added to Table 1. Note 3.1.1 revised to align with current QML statement. Note 3.1.2 added. Notes /7/, /8/, /9/, and /10/ added to Table 1. Upper range of hardness requirement in note 3.3.3 revised. Note 3.4.4 reworded to include color requirement. Note 4.5.1.2 revised to remove the statement that destructive testing is required to retain QML status. This requirement is regulated by AC7112. Historical information added to note 6.2. Tables 5A and 5B added. Note 6.2.2 revised and supersession Table 7 added. Lessons learned note 6.2.4 added. General updates included.
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Related Topics:
Corrosion resistant alloys
Heat resistant materials
Wrought alloys
Aluminum alloys
Copper alloys
Corrosion
Metals
Also known as: SAE AS 4842
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