MSS SP-75 -2004 Specification for High-Test,Wrought,Butt-Welding Fittings

SCOPE 
1.1 This specification covers factory-made, seamless and electric fusion-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.  

1.2 This Standard Practice governs dimensions, tolerances, ratings, testing, materials, chemical and tensile properties, heat treatment, notch toughness properties, manufacture and marking for high-test, butt-welding fittings NF’S 60 and smaller. Dimensional requirements for NPS 14 and smaller are provided by reference to ASME B16.9.  

1.3 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.  

1.4 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 therewith, providing they are appropriately marked.
1.4.1 Fittings manufactured in partial compliance, as provided in Section 1.4, shall be identified with “Part” following the respective grade designation. 

Click here for PDF of MSS-SP-75 -2004 Specification for High Test Wrought Butt-Welding Fittings. >>>

MSS-SP-75-Specification-for-High-Test-Wrought-Butt-Welding-Fittings.pdf


Research use only, Commercial use is prohibited. 

If you want to use it ,you can buy from following link:
http://msshq.org/Store/Details.cfm?ProdID=1174&Category=6


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