4140 Precision Seamless Steel Tube is a high-strength alloy steel tube manufactured through advanced cold drawing or cold rolling processes to achieve outstanding mechanical performance, precise dimensional tolerances, and superior surface quality. Made from AISI 4140 steel, this tube offers an excellent combination of toughness, fatigue resistance, and wear resistance, making it an ideal material for applications requiring high strength and precision in automotive, hydraulic, mechanical, and energy industries.