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This SAE Standard covers normalized electric-resistance welded flash-controlled single-wall, low-carbon steel pressure tubing intended for use as pressure lines and in other applications requiring tubing of a quality suitable for bending, double flaring, beading, forming, and brazing. Material produced to this specification is not intended to be used for single flare applications, due to the potential leak path caused by the Inside Diameter (ID) weld bead or scarfed region. Assumption of risks when using this material for single flare applications shall be defined by agreement between the producer and purchaser. This specification also covers SAE J356 Type-A tubing. The mechanical properties and performance requirements of SAE J356 and SAE J356 Type-A are the same. The SAE J356 or SAE J356 Type-A designation define unique manufacturing differences between coiled and straight material.

This SAE Standard covers welded stainless steel pressure tubing intended for use as hydraulic lines and in other applications requiring corrosion resistance.

This SAE Standard covers welded and drawn to size stainless steel pressure tubing intended for use as hydraulic lines and in other applications requiring corrosion resistance.

The SAE Standard covers normalized electric-resistance welded flash-controlled single-wall, low-carbon steel pressure tubing intended for use as pressure lines and in other applications requiring tubing of a quality suitable for bending, double flaring, beading, forming, and brazing. Material produced to this specification is not intended to be used for single flare applications due to the potential leak path that would be caused by the ID weld bead or scarfed region. Assumption of risks when using this material for single flare applications to be defined by agreement between the producer and tube purchaser. This specification also covers SAE J356 Type-A tubing. The mechanical properties and performance requirements of standard SAE J356 and SAE J356 Type-A are the same. Therefore, the designated differences of Type-A tubing are not meant to imply that Type-A tubing is in anyway inferior to standard SAE J356.

This SAE Standard covers seamless stainless steel pressure tubing intended for use as hydraulic lines and in other applications requiring corrosion resistance.

These recommended practices provide general recommendations for designing and fabricating metallic tubes and tube assemblies for fluid power applications utilizing commonly available manufacturing methods and general guidelines for tube selection and application. These documents are primarily intended for mobile/stationary industrial equipment and automotive applications. Aircraft and Aerospace applications were not considered during the preparation of this document.

These recommended practices provide general recommendations for designing and fabricating metallic tubes and tube assemblies for fluid power applications utilizing commonly available manufacturing methods and general guidelines for tube selection and application.

This SAE Information Report is intended to provide design guidance in the selection of steel tubing and related tube fittings for general hydraulic system applications. The information presented herein is based on tubing products which conform to SAE and ISO standards listed in the reference section. All pressure rating data found in the charts included in this document are calculated per the formula found in ISO 10763 and the main body of this document.

This SAE standard specifies uniform methods for various types of tests to evaluate functional performance requirements for metallic tube conductor assemblies for hydraulic fluid power applications made from both standard and non-standard metallic tubing and components. See the appropriate listed SAE or ISO tubing and connector standard for chemical, mechanical and dimensional requirements for standard tubing, end components and tube end joint configurations for the standard tube assemblies being tested. See SAE J1065 and ISO 10763 for listed nominal reference working pressures and/or reference formula that may be used to calculate reference working pressures for standard and non-standard metallic tube conductors.

This SAE standard covers both “welded and cold drawn” and “seamless” stainless steel pressure tubing in the as-cold-drawn high strength condition intended for use as high pressure hydraulic lines and other applications requiring corrosion resistance. Welding, brazing, or other thermal processing methods that subject the tube material or assembly to elevated temperatures may compromise the strength of the tubing.

This SAE standard recommends the use of ISO 19879 to perform various types of tests to evaluate functional performance requirements for carbon and steel alloy tube conductor assemblies for hydraulic fluid power applications made from both standard and non-standard metallic tubing and components. See the appropriate listed SAE or ISO tubing and connector standard for chemical, mechanical and dimensional requirements for standard tubing, end components and tube end joint configurations for the standard tube assemblies being tested. See SAE J1065 and ISO 10763 for listed nominal reference working pressures and/or reference formula that may be used to calculate reference-working pressures for standard and non-standard metallic tube conductors.

This SAE information report provides a means to understand the various methods of evaluating the integrity of steel tubing without the need of destroying the tubing. This report describes eddy current testing, flux leakage testing, ultrasonic testing, and magnetic particle testing of steel tubing. The primary purpose of these methods of testing steel tubing is to look for flaws in the tubing, such as discontinuities, seams, cracks, holes, voids and other imperfections characteristic to the specific construction of the tubing.