S420NL steel is normalized/normalized rolled weldable fine-grained structural steel and is a European standard steel plate. […]

Introduction of S420N steel plate:
S420N steel plate is a low-alloy high-strength steel plate belonging to European standards, 420 represents the yield strength of the steel plate, and N generally means normalizing or normalizing rolling. […]

The S275NL steel plate is of European standard structure. The 'S' in the grade S275NL indicates that it is European standard structural steel. Impact energy at 20°C specifies a minimum value, and 'L' expresses the impact temperature of grade S275NL at […]

S275N executive standard: EN10025
Corresponding to the national standard Q275 […]

S355NL is a British/French/German model, it is made of steel, and the implementation standard is EN10025-3-2004. […]