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This alloy steel round tube is a versatile and durable material ideal for various applications, including aircraft exterior components, fasteners, gears, and structural frames. Its 4130 grade alloy steel composition provides high strength, toughness, and resistance to fatigue, making it suitable for demanding industries. With a seamless fabrication and air-hardened heat treatment, this tube offers excellent machinability and a high Rockwell hardness rating of 92 HRB. Its compact dimensions and lightweight design also make it a great choice for applications where space and weight are a concern, offering a reliable and efficient solution for a wide range of projects.