SP Metal manufactures & exports ASTM A519 4130 Mechanical Tubing, Fittings, Flanges & API connections in material grades AISI 4130. SP Metal manufactures its products in different sizes, range, type and schedule-class. SP Metal regularly supplies ASTM A519 4130 Mechanical Tubing to core industries such as refineries, chemical & petrochemical, oil & Gas, Water treatment plant, power plants, off-shore, ship building, EPC & other Engineering company.