Category SAE Standards

This SAE Information Report provides essential recommendations and testing procedures for modifying original equipment power steering systems to reduce driver effort, particularly for physically disabled drivers. Covering both hydraulic and electric steering modifications, the standard emphasizes reliability, ease of use,…

🛠️ Note: this article focuses on engineering interpretation, not clause-by-clause translation. The SAE J2673:2021 Recommended Practice provides a standardized method for evaluating the force and moment properties of heavy truck and bus tires under straight-line braking conditions. This article offers…

Purpose and Scope of SAE J2664 The SAE J2664 Recommended Practice provides a standardized method for quantifying the natural sway response of a trailer when coupled to a specific tow vehicle under defined loading and operating conditions. This procedure applies…

🔍 SAE J2666-2018 provides a standardized procedure for evaluating the capability of gauges used in non-hydraulic hose measurement. Developed by the SAE Non-Hydraulic Hose Committee, this standard enables users to compare equipment capability across different manufacturers and methods. The procedure…

SAE J2670 establishes testing and acceptance criteria for additives and flushing materials intended for aftermarket use in vehicle air-conditioning systems that use R-134a or R-1234yf refrigerant with belt-driven compressors. The standard focuses solely on chemical stability and compatibility with system…

Fluid permeation through polymeric materials is a critical factor in fuel system design, evaporative emission control, and material selection for the automotive industry. SAE J2659 (stabilized in 2018) defines a test method for measuring not just total fuel permeation, but…

Overview of the Weight Loss Method This SAE Recommended Practice provides a gravimetric procedure for measuring fuel permeation at elevated temperatures through low-permeating hose or tubing of elastomeric or composite construction. The method is accurate to within approximately ±10% and…

Purpose of SAE J2654 The SAE J2654 standard defines a nondestructive test method for measuring the Rockwell hardness of brake linings. Hardness measurements serve as a quality control check to ensure consistency in formulation and processing. It is important to…

For naval architects, marine engineers, and procurement specialists, specifying the correct fastener is critical for reliability and safety. SAE J2656-2016 provides a standardized framework for inch-dimensioned set screws — including hexagon socket, square head, and slotted headless types — used…

SAE J2658-2013, a recommended practice for test methods of carbon and steel alloy tube conductor assemblies in fluid power systems, was officially cancelled in September 2013. It has been superseded by SAE J2551-2, part of a restructured three-part standard that…

SAE J265-2015, originally issued in 1971, established dimensional requirements for mounting and interchangeability of four specific fuel injector nozzle holder types used in diesel engines. The standard was officially cancelled in November 2015 and superseded by the international standard ISO…

SAE J2650-2021 establishes additional performance requirements for road illumination devices using LED sources, including low beam, high beam, front fog lamps, auxiliary high beam, and front cornering lamps. This recommended practice supplements device-specific SAE standards and specifies tests based on…