SAE J512 flare tube fittings chart standard

 SAE J512_199704 is the standard for AUTOMOTIVE TUBE FITTINGS, it includes as follows: Flare type fittings, Inverted flared type fittings , Tapered sleeve compression type fittings, single and double 45 degree flares on tubing.

This SAE J512 fittings Standard covers complete dimensional specifications for the various types of tube fittings, intended for general application in the automotive, appliance, and allied fields. See SAE J1131 for the performance requirements of reusable (push to connect) fittings intended for use in automotive air brake systems.

SAE J512 Applicable documents as follows:

SAE J246Spherical and Flanged Sleeve (Compression) Tube Fittings

SAE J476Dryseal Pipe Threads

SAE J513Refrigeration Tube Fittings

SAE J533Flares for Tubing

SAE J846Coding Systems for Identification of Fluid Conductors and Connectors.

ANSI B1.1Screw Threads

ASTM B 117Method of Salt Spray (Fog) Testing

SAE J512 straight thread specification data, inch

Material and Manufacture:

All SAE J512 types of automotive tube fittings shall be made from brass or steel as specified by the purchaser and, at manufacturer's option and in accordance with his process of manufacture, may be milled from the bar or forged. Brass shall be UNS C36000 (half-hard), UNS C34500, or UNS C35000 for bar or extruded stock and UNS C37700 for forgings.