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

Manufacturers Standardization Society (MSS). 2004. 31 p. 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 statjons~ metering and regulating stations, and mains