... Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures ... Standard: ASTM A 53 EN 10210 EN 10219 DIN 1626 Steel Grade: EN 10210, EN 10219, BS 1387: S185, ... casting), Mother Pipe Welded: Hot Rolled Steel Coil (HRC) , Cold Rolled Steel Coil (CRC), Pre-pained Galvanized Steel Strip Shape: Hollow Sections: Square, ...