This document defines the requirements for weld fittings and machine weldments using an orbiting welding head suitable for use on cold worked 3Al-2.5V titanium, 21Cr-6Ni-9Mn CRES, and 718 nickel alloy tubing. Fitting standards covered by this specification include non-separable welded elbow, tee, and reducer fittings, and reconnectable 24 degree cone fittings such as sleeves and unions.
Rationale:
Revision to the testing frequency criteria for Periodic Control Testing (4.7.4) changed from production counting to an annual Periodic Test. Appendix B added for test reporting to PRI.
Related Topics:
Hydraulic fittings
Corrosion resistant alloys
Manufacturing processes
Also known as: SAE AS 1576
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