Marine Steel Technical Knowledge Base

ASTM A240 Grade 321 is a stabilized austenitic stainless steel with titanium addition, which provides excellent resistance to intergranular corrosion and high-temperature oxidation. This grade offers good mechanical properties, high creep strength, and improved stress rupture resistance.

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) refers to seamless circular tubes made from non-alloy steel with a specified minimum yield strength of 235 N/mm². These tubes are commonly used for general structural purposes, construction, and mechanical engineering applications.

DIN 1629 Grade St 44.0 normalized or normalized formed (+N) refers to seamless carbon steel tubes that meet the requirements specified in DIN 1629. These tubes are commonly used in structural and mechanical applications where enhanced mechanical properties and dimensional accuracy are required.

EN 10025-3 Grade S275N normalized or normalized formed (+N) is commonly used in structural applications, such as building construction, bridges, and machinery components. It provides good weldability and high strength while maintaining adequate toughness.

EN 10025-3 Grade S420N is a normalized/normalized rolled structural steel that offers good weldability, high strength, and improved atmospheric corrosion resistance. It is commonly used in construction projects requiring reliable and durable structural components.

EN 10025-3 Grade S420NL is a normalized/normalized rolled structural steel that offers good weldability, high strength, and improved atmospheric corrosion resistance. It is commonly used in construction projects requiring reliable and durable structural components.

EN 10025-2 Grade S235J2 is a non-alloy structural steel with good weldability, high strength, and suitable toughness for various construction projects. It is commonly used in the building and engineering industries, providing reliable and durable structural components.

EN 10207 Grade P275SL is a low-alloyed steel plate designed for use in simple pressure vessels operating at elevated temperatures. It provides good weldability, high temperature resistance, and reliable mechanical properties, making it suitable for various industrial applications.

EN 10025-3 Grade S355N is a normalized/normalized rolled structural steel that offers good weldability, high strength, and improved atmospheric corrosion resistance. It is commonly used in construction projects requiring reliable and durable structural components.

EN 10025-3 Grade S355NL is a normalized/normalized rolled weldable fine grain structural steel. It belongs to the EN 10025 standard, which specifies technical delivery conditions for structural steels with improved atmospheric corrosion resistance.