Home Company Production Quality Control Certifications Facilities Contacts Career OMBA’s Bergamo and Seriate plants produce rectangular/shaped section hot-rolled rings in all types of steel with, in light alloys, super alloys and in non-ferrous materials. Rings can be supplied in raw or in heat treated condition, sandblasted, rough or finished machined. QUALIFICATION TEST RECORD QTR NORSOK M-650 Proudly we announce that we have obtained the Qualification Test Record (QTR) Norsok M-650 for materials F51, F53, F55, F60, ASTM A182 Company IRE-OMBA was founded in 1906 by the Earls of Sottocasa under the name “SOCIETA’ ANONIMA OFFICINE METALLURGICHE SOTTOCASA”. More info… Certifications For over a century, OMBA has been developing its technical and professional expertise. More info… Quality Control In order to guarantee a consistent level of quality for all OMBA products, each part undergoes a series of rigorous tests. More info… Production OMBA’s Bergamo and Seriate plants produce rectangular/shaped section hot-rolled rings in all types of steel, in light alloys, super alloys and in non-ferrous materials. Rings can be supplied in raw or in heat treated condition, sandblasted, rough or finished machined. More info… Production Facilities With plants in Bergamo and Seriate, and a manufacturing facility about to open its doors in China, OMBA has now consolidated its position as a key manufacturing company in its sector at international level. More info… Photo Gallery This section contains historical images and pictures of events, processes and products. More info… English Italiano General sales conditions ©2017 IRE-OMBA Spa Sede Legale : Via C. Serassi,14 - 24125 Bergamo - r.e.a. Bergamo 0251856 - PI/CF 01976890168 Capitale Sociale € 2.070.000,00 I.V.