At STALCO S.A. we apply the following procedure to manufacture the High-Pressure Steel Tube Coils :

• Forming of the steel parts
• Assembly of the steel parts
• Testing and Quality Control
• Grouping of the finished parts
• Transportation, if needed

All the products undergo all the necessary tests according to the International Standards.

Specifically :

• Optical and Measurement Test
• Penetration Test for each weld
• Radiographic Test for each weld
• Internal Diameter Test (steel ball)
• Hydraulic Test (60-200 Bar)

All the welding and bending procedures are certified by an independent agency.