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Standard

Standardization, Hydraulic Tube Walls

1997-03-01
CURRENT
AS4467
This SAE Aerospace Standard (AS) defines a series of standardized tube walls to be used for high pressure hydraulic tubing. These tube walls are applicable to all homogenous tube materials (i.e., aluminum, steel, titanium) throughout a rated pressure range of 1000 to 8000 psi and a maximum rated operating temperature range of 160 to 450 °F. All future aerospace applications for which a required tube outside diameter/tube wall combination is not presently available shall be selected from the table contained herein (see Figure 1).
Standard

Torsion Strength Testing of Hydraulic Tube Joints

1992-07-01
CURRENT
ARP4457
This Aerospace Recommended Practice (ARP) establishes uniform requirements and procedures to determine the torsional strength of permanent hydraulic tube joints. It also establishes testing equipment and apparatus for torsion testing.
Standard

Method for Determining Relative Specific Gravity Polytetrafluoroethylene Tubing

1991-06-01
CURRENT
ARP1153A
This document describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed relative specific gravity (RSG), increases with decreasing molecular weight (see 2.3).
Standard

METHOD FOR DETERMINING RELATIVE SPECIFIC GRAVITY POLYTETRAFLUOROETHYLENE TUBING

1970-02-01
HISTORICAL
ARP1153
This specification describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed Relative Specific Gravity (RSG), increases with decreasing molecular weight (see 2.3).
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