Types segmentation further refines the market taxonomy by distinguishing product families and their functional sub‑types. The core Ductile Iron Pipe category splits into standard‑wall, high‑pressure, and HDPE‑lined pipes; standard‑wall pipes dominate low‑pressure municipal grids, while high‑pressure variants serve industrial loops and conveyance of treated effluents, together representing the bulk of pipe‑related sales. HDPE‑lined pipes, though a smaller share, command premium pricing due to enhanced corrosion protection in aggressive environments. The Fittings segment includes elbows, tees, couplings, reducers, and specialty valves. Elbows and tees are the most frequently purchased items, facilitating network geometry changes and contributing significantly to the fittings revenue pool. Couplings and reducers address diameter transitions and system repairs, while specialty valves, though niche, are critical for flow control in high‑risk installations. This detailed type‑based breakdown clarifies how each sub‑type contributes to overall market volume and profitability.