DIN 17102 StE420 material is a weldable normalized fine grain structural steel material. It is also a high strength low alloy steel. StE420 structural steel is used for structural parts such as automobile longitudinal beams and cross beams that require good cold formability and high strength requirements. DIN17102 StE420 steel plates specification Standard: DIN17102 1983 weldable fine grain structural steels Classification: high strength low alloy quality structural steel Material number: 1.8902 StE420 steel size ranges: Thickness: 3mm to 200mm Width: 1000mm to 4500mm Length: 3000mm to 18000mm Supply shapes: plates, strips and wide flats