Covers factory-made, seamless and electric welded carbon and low alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains. Governs dimensions, tolerances, ratings, testing, materials, chemical and tensile properties, heat treatment, notch toughness properties, manufacture and marking for high-test, butt-welding fittings NPS 60 and smaller. Dimensional requirements for NPS 14 and smaller are provided by reference to ASME B16.9. The term “welding fittings” applies to buttwelding fittings such as elbows, segments of elbows, return bends, caps, tees, single or multiple-outlet extruded headers, reducers, and factory-welded extensions and transition sections.(1) Fittings may be made to special dimensions, sizes, shapes, and tolerances, or of wrought materials other than those covered by this Standard Practice by agreement between the manufacturer and the purchaser. When such fittings meet all other stipulations of this Standard Practice they shall be considered as being in partial compliance there with, providing they are appropriately marked. Fittings manufactured in partial compliance, as provided in Section 1.4, shall be identified with “Part” following the respective grade designation.
Please first log in with a verified email before subscribing to alerts.
Your Alert Profile lists the documents that will be monitored. If the document is revised or amended, you will be notified by email. You may delete a document from your Alert Profile at any time. To add a document to your Profile Alert, search for the document and click “alert me”.
Your Alert Profile lists the documents that will be monitored. If the document is revised or amended, you will be notified by email. You may delete a document from your Alert Profile at any time. To add a document to your Profile Alert, search for the document and click “alert me”.
Add to Alert
Already Subscribed to this document.
Your Alert Profile lists the documents that will be monitored. If the document is revised or amended, you will be notified by email. You may delete a document from your Alert Profile at any time. To add a document to your Profile Alert, search for the document and click “alert me”.
PDF Document format
Documents sold on the ANSI Webstore are in electronic Adobe Acrobat PDF format.
DRM protected documents
Some PDF files are protected by Digital Rights Management (DRM) at the request of the copyright holder. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Some copyright holders may impose other restrictions that limit document printing and copy/paste of documents.
Non printable documents
Those documents cannot be printed at the request of the copyright holder.
Content Provider Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]
We have no amendments or corrections for this standard.
Are the documents at the ANSI Webstore in electronic Adobe Acrobat PDF format only?
Documents sold on the ANSI Standards Store are in electronic Adobe Acrobat PDF format.
Standard Subscriptions
This standard is also available to be included in Standards Subscriptions. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
Subscription pricing is determined by: the specific standard(s) or collections of standards, the number of locations accessing the standards, and the number of employees that need access.
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S.
marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.
