材料汇·2026-01-22 15:32Core Viewpoint - The article emphasizes that "rocket body stainless steel + engine high-temperature alloy" is evolving into a new generation of rocket material systems, driven by the commercialization and reusability of space launches [1][7]. Group 1: Investment Opportunities in New Materials - The rapid development of commercial space is driving the demand for aerospace stainless steel and high-temperature alloy materials [2]. - Stainless steel is becoming the primary choice for rocket bodies in reusable rockets due to its low cost, high-temperature resistance, and ease of processing [4][12]. - High-temperature alloys are essential for the hot-end components of liquid rocket engines, with an average usage of 28% in liquid rocket engines [5][19]. Group 2: Historical Context and Current Trends - Historically, aluminum alloys dominated rocket materials, with limited applications for stainless steel and high-temperature alloys [3]. - Currently, the rocket material system is transitioning from aluminum-dominated to a combination of stainless steel and high-temperature alloys, particularly in reusable rocket designs [4][11]. Group 3: Future Outlook - In the future, aerospace stainless steel and high-temperature alloys are expected to be key materials for rocket technology evolution, providing advantages in extreme temperature environments and manufacturing speed [6][8]. - The demand for large low-orbit satellite constellations is anticipated to drive the scale of rocket launches, enhancing the growth prospects for stainless steel and high-temperature alloys [47]. Group 4: Supply Chain and Market Dynamics - The supply of aerospace stainless steel is highly segmented and customized, with early movers and validated companies likely to experience structural growth opportunities [8]. - High-temperature alloy suppliers face high barriers to entry, resulting in a favorable competitive landscape [8][21].