... :40CrNiMo Alloy Steel Shape:round bar,Billet,Flat bar,wire,tube,pipe,bar,strip,plate,coil. Condition: ... Anneal This steel is produced according to YB/T5137, Q/320281PA15, ASME standard of America, and its representative grades are ... temperature, high pressure and corrosion resistant, oil & gas exploration. Tube billet steel 3sp-5sp