Oil & gas is the largest market for buttweld pipe fittings globally. From upstream wellheads to downstream refinery piping, every segment demands specific grades — WPB for general service, LTCS for cold climates, duplex for offshore, and alloy steel for high-temperature refinery service.
Wellhead piping, production manifolds, separation equipment, and flowlines. Offshore upstream requires duplex for sour gas and seawater resistance. Onshore production uses WPB and SS 316L.
Transmission pipelines, compressor stations, gas processing plants, and NGL fractionation. WPB dominates pipeline fittings. LTCS WPL6 for gas plants in cold regions.
Crude distillation, hydrocracking, catalytic reforming, hydrotreating, and sulfur recovery. High-temperature service requires chrome-moly alloy grades. Acid service requires Hastelloy.
Topside process piping, seawater systems, umbilicals, and risers. Duplex and super duplex for process and structural. CuNi for seawater cooling. Inconel for subsea and high-value applications.
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