Gun barrel for firearms made from a deformed material and method for producing the gun barrel material. The material has a chemical composition in % by weight of: Content C Si Mn P S Cr Mo Ni V W Ti As+Sn+Sh Fe Min 0.28 0.08 0.15 0 0 3.6 1.2 0 0.42 0 0 0 Rest Max 0.36 0.26 0.35 0.005 0.002 4.4 1.8 <0.5 0.5 0.15 0.08 0.007 Rest and impurities due to smelting. The material has a hardness of at least 46 to 48 HRC.