Steel Tubes India are professional manufacturer and supplier of St52 Seamless Pipe, st 52 pipe suppliers, exporter of DIN 2391 ST 52, DIN 2391 ST 52 Seamless Pipe distributor of DIN 2391 ST 52 Welded Pipe in India and Abroad. Carbon Steel Welded Pipes are mainly used in the untreated or normalised condition. ST52 DIN 2391 Carbon Steel Welded Tubes machinability is similar to mild steel pipe. ST52 DIN 2391 Carbon Steel Seamless Tubes are mainly in demand by Construction & welded components for general engineering.