The elbows are produced by the cold forming of the plates in two shelves welded together.
ERA produces welded elbows in the following material grades
Stainless steels 300 series Heat resisting steels
Super Austenitic alloys Nickel Alloys - Nickel/Copper alloys
from diameter 6"/168 mm up to 40"/1.016 mm, 90° and 45°,
mainly in accordance to the following international specifications