For the manufacture of pipes, the company «tracolo» USES Austenitic Chromium -Re Steel, Resistant to Accides and Designed for Very Long -ter Operation. IT HAS AMAZING CHARACTERISTICS in WELDING, AS Its Not Lose Its Unique Properties Even at a Temperateure of +500 Degrees Celsius. Able to Withstand Heat Loads Up To +750 Degrees, But Only Temporaryly.