NK AH40/NK DH40/NK EH40/NK FH40 Steel

NK AH40/NK DH40/NK EH40/NK FH40 Steel 　　NK GradeAH36/DH36/EH36/FH36 steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components. 　　Chemical Composition and Mechanical Property:   Grade Chemical Composition(%) C≤ Mn Si P≤ S≤ Al(cid)≥ Cu≤ NK  AH36 0.18 0.90-1.60 0.10-0.50 0.035 0.035 0.015 0.35 NK  DH36 NK  EH36 NK  FH36 0.16 0.025 0.025   Grade Mechanical Property Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C) NK  AH36 490-620 355 21 0 NK  DH36 -20 NK  EH36 -40 NK  FH36 -60 ​Delivery States: Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering, quenching, normalizing plus tempering, quenching and tempering, and other delivery states are available as customers’ requirement. HIC, PWHT, Crack Detection, Hardness and DWTT test for pipelines steel plates are also available.