Segmentation by types separates pipe fittings from flanges, each with distinct sub‑categories that affect total market volume. Pipe fittings include elbows, tees, reducers, couplings, and caps, further classified by connection method: welded, threaded, socket‑weld, compression, and grooved. Welded fittings dominate the high‑pressure segment, while threaded and compression variants serve low‑pressure, maintenance‑friendly applications. Flanges are broken down into weld‑neck, slip‑on, blind, lap‑joint, threaded, and socket‑weld designs, each tailored to pressure class, flange rating, and installation environment. Weld‑neck flanges command the largest share due to their superior strength in critical pipelines, whereas slip‑on and blind flanges address ease of installation and flow‑control needs respectively. The relative prevalence of these sub‑types determines production mix, material sourcing, and pricing structures, thereby shaping the overall market size for pipe fittings and flanges.