Factors affecting the quality of RF 40 hull structure ship steel plate

Advantages of hot rolling: hot rolling can destroy the casting structure of ingot, refine the grain of steel and eliminate the defects of microstructure, so that the steel structure is dense and the mechanical properties are improved. This improvement is mainly reflected in the rolling direction, so that the RF 40 hull structure ship steel plate steel is no longer isotropic to some extent; the bubbles, cracks and looseness formed during pouring can also be welded under the action of high temperature and pressure.

After adding a small amount of niobium, vanadium and titanium to RF 40 hull structure ship steel plate etc. steel, it is combined with the controlled rolling process to control the precipitation behavior of microalloying elements to achieve the purpose of improving the comprehensive properties of the steel, whether it is strength, toughness, ductile-brittle transition temperature, or Steel's process formability, welding performance, corrosion resistance and crack resistance have been significantly improved, while reducing production costs. Such steel products are widely used in oil and gas pipelines, vehicles, building structures, oil production platforms, pressure vessels, ship shells and many other fields.

2HGR50 carburizing steel implements API Spec 2H standard of American Petroleum Institute. CCS, DNV, ABS, GL, LR, BV, Rina, NK and KR certification can be added according to customer requirements. API2HGR50 is suitable for surface carburizing and hardening treatment, with good workability, small deformation and good fatigue resistance. RF 40 hull structure ship steel plate, API 2H GR50 steel is used for making hull, offshore oil production platform, platform pipe joint and other structural parts.

The company has a group of mature steel plate production and processing line construction and production management experience. In addition, the company has professional and technical personnel. BBN steel is a modern enterprise integrating scientific research and development, production processing, sales and service. The company now has finance department, production department, sales team, technical department, quality control department, logistics department and after-sales service team. At the same time, it also adheres to international standards and adheres to the international line.