API 2H gr50 is carburized steel, which is usually low carbon steel with carbon content of 0.15% - 0.24%, and is used for offshore platform structure. API 2H gr50 steel is suitable for surface carburizing and hardening treatment, with good workability, small deformation and good fatigue resistance. LR EH32 pile-driving barge steel, API 2H gr50 steel is used for making hull, offshore oil production platform, platform pipe joint and other structural parts.
As a basic building material, steel plates are currently widely used in automobiles, shipbuilding, chemical industry, aerospace and other fields. Reasonable selection of flaw detection methods to ensure the quality of LR EH32 pile-driving barge steel steel plates is of great significance to safe production. Common defects of steel plates are folding, inclusion, shrinkage, air bubbles, delamination and cracks. These problems can be discovered in time through flaw detection.
According to the different manufacturing processes, there are hot rolled steel pipes and cold drawn LR EH32 pile-driving barge steel seamless steel pipes. BBN sells seamless pipes of different sizes, weights and grades. Customers can choose between black LR EH32 pile-driving barge steel line pipes and galvanized line pipes. From 2-3/8" to 24", steel grade A, B, X42, X80.
Oxygen (O) is a harmful element in steel such as LR EH32 pile-driving barge steel. Although manganese, silicon, iron and aluminum are added to deoxidize the steel at the end of steelmaking, they can not be removed completely. During the solidification of molten steel, the reaction of oxygen and carbon in the solution will produce carbon monoxide, which can cause bubbles. Oxygen mainly exists in the form of FeO, MnO, SiO2, Al2O3 and other inclusions in the steel, which reduces the strength and plasticity of the steel. Especially, it has serious influence on fatigue strength and impact toughness.
Leave a Message