MSS SP-75
MSS SP-75 SPECIFICATION FOR HIGH-TEST, WROUGHT, BUTT-WELDING FITTINGS MSS SP-75 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. MSS SP-75 governs dimensions, tolerances, ratings, testing, materials, chemical and tensile properties, heat…