Nominal Reference Working Pressures for Steel Hydraulic Tubing
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 Information Report has been revised as part of the SAE Five-Year Review process. Revisions include the addition of a forward, a table of contents, simplified table headings, and updated verbiage. Sections 2.1, 2.2, 2.3, and 2.4 were removed from the document as some information in these sections is redundant versus other document sections or is information maintained in other SAE documents. This document continues to recommend metric sized tubing for new designs. The Barlow Formula, the Boardman Formula, and the Lame Formula continue to be retained in Appendix A per a consensus that these formulas are still commonly used in the industry.
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