steel compositon st 52
1.0570 Material St523 Steel Equivalent, Properties The St 52 material datasheet and specification such as chemical composition, properties and equivalents can be found in the following tables. Chemical Composition. The following tables show St52 chemical composition. St52 steel data sheet – 1, Chemical composition (ladle analysis) according to DIN 17100 and DIN EN 10025: 1993.