9MnV5* is also referred to as S355L4. It is a micro-alloyed steel for general purposes where fantastic impact properties at low temperatures as well as defined mechanical properties are demanded. It is especially suitable for this sections. It has a tight chemical composition as well as low levels of residual elements to give small variations in the mechanical properties. The low carbon equivalent CEV makes it suitable for welding.
* Designation followed by "*" is not an official EN standard grade but named according to the rules in EN 10027.