The Application dimension of the Non‑Ferrous Hot Rolling Oils market is divided into five principal segments: Aluminum Rolling, Copper Rolling, Brass Rolling, Nickel‑Alloy Rolling, and Other Applications (including zinc and tin alloys). Aluminum accounts for the largest share, roughly 45 % of total demand, driven by the high volume of sheet and plate production in the automotive and packaging sectors. Copper follows with about 25 % of consumption, reflecting its extensive use in electrical conduit and heat‑exchange components where oil‑based lubrication is essential for surface protection. Brass contributes near 15 % as it is widely employed in fittings and hardware, requiring oils with moderate load‑carrying capacity. Nickel‑alloy rolling, representing 10 % of the market, serves aerospace and high‑temperature applications that demand oils with superior oxidative stability. The residual 5 % classified as Other Applications captures niche alloy processing, where specialized formulations are adopted. This Non‑Ferrous Hot Rolling Oils segmentation by application directly maps to the pie‑chart in the chartData, illustrating each segment’s proportional impact on overall market size.