LR AH40 shipbuilding steel plate is a kind of high tensile strength shipbuilding steel. All LR AH40 shipbuilding steel plate are standard hot rolled carbon steels. All of these steels have been engineered to be optimal long-lived shipbuilding steels. High
1556 spring steel strength, hardness, flexibility and higher than the SUP6 steel hardenability, sensitivity and temper brittleness tendency for overheating, has a tendency to form cracks.