A method of manufacturing a steel tube, comprising: casting a steel having a composition into a bar or slab, the composition comprising: 0.18 to 0.32 wt. % carbon; 0.3 to 1.6 wt. % manganese; 0.1 to 0.6 wt. % silicon; 0.005 to 0.08 wt. % aluminum; 0.2 to 1.5 wt. % chromium; 0.2 to 1.0 wt. % molybdenum; 0 to 1.0 wt. % nickel; 0 to 0.3 wt. % copper; 0 to 0.1 wt. % vanadium; 0 to 0.1 wt. % titanium; 0 to 0.02 wt. % nitrogen; 0 to 0.08 wt. % niobium; 0 to 0.008 wt. % boron; 0 to 0.008 wt. % calcium; and the balance comprises iron and impurities; wherein the amount of each element is provided based upon the total weight of the steel composition; forming a tube, wherein the forming the tube comprises piercing and hot rolling the bar into a seamless tube at a temperature between 1000 and 1300 °C, or wherein the forming the tube comprises welding the slab into an ERW tube; quenching the tube from an austenitic temperature to form a quenched tube, wherein the austenitic temperature is at least 50 °C above AC 3 temperature and less than 150 °C above AC 3 temperature and wherein quenching the tube from the austenitizing temperature to less than 80 °C is at a minimum rate of 20 °C/sec; cold drawing the quenched tube to form a final tube; and tempering the final tube to form the steel tube; wherein the tempering takes place at from 400°C to 700°C for 15 to 60 minutes and the tube is then cooled to room temperature at a rate of from 0.2°C/second to 0.7°C/second. casting a steel having a composition into a bar or slab, the composition comprising: 0.18 to 0.32 wt. % carbon; 0.3 to 1.6 wt. % manganese; 0.1 to 0.6 wt. % silicon; 0.005 to 0.08 wt. % aluminum; 0.2 to 1.5 wt. % chromium; 0.2 to 1.0 wt. % molybdenum; 0 to 1.0 wt. % nickel; 0 to 0.3 wt. % copper; 0 to 0.1 wt. % vanadium; 0 to 0.1 wt. % titanium; 0 to 0.02 wt. % nitrogen; 0 to 0.08 wt. % niobium; 0 to 0.008 wt. % boron; 0 to 0.008 wt. % calcium; 0.18 to 0.32 wt. % carbon; 0.3 to 1.6 wt. % manganese; 0.1 to 0.6 wt. % silicon; 0.005 to 0.08 wt. % aluminum; 0.2 to 1.5 wt. % chromium; 0.2 to 1.0 wt. % molybdenum; 0 to 1.0 wt. % nickel; 0 to 0.3 wt. % copper; 0 to 0.1 wt. % vanadium; 0 to 0.1 wt. % titanium; 0 to 0.02 wt. % nitrogen; 0 to 0.08 wt. % niobium; 0 to 0.008 wt. % boron; 0 to 0.008 wt. % calcium; and the balance comprises iron and impurities; wherein the amount of each element is provided based upon the total weight of the steel composition; forming a tube, wherein the forming the tube comprises piercing and hot rolling the bar into a seamless tube at a temperature between 1000 and 1300 °C, or wherein the forming the tube comprises welding the slab into an ERW tube; quenching the tube from an austenitic temperature to form a quenched tube, wherein the austenitic temperature is at least 50 °C above AC 3 temperature and less than 150 °C above AC 3 temperature and wherein quenching the tube from the austenitizing temperature to less than 80 °C is at a minimum rate of 20 °C/sec; cold drawing the quenched tube to form a final tube; and tempering the final tube to form the steel tube; wherein the tempering takes place at from 400°C to 700°C for 15 to 60 minutes and the tube is then cooled to room temperature at a rate of from 0.2°C/second to 0.7°C/second. <EOS>