Hollow sections

The product portfolio consists of seamless steel hollow sections in grades S355J2H and S355NH. The production of seamless steel hollow sections in the tube mills is characterized by the sophisticated production technology of the Mannesmann hot rolling process. The range is offered in selected dimensions in grades S355J2H and S355NH.

TECHNICAL PARAMETERS

HOLLOW SECTIONS

SQUARE CROSS SECTIONS RECTANGULAR CROSS SECTIONS
OUTER DIAMETER 70 X 70 – 125 X 125 MM 80 X 60 MM 90 X 70 MM 120 X 100 MM
WALL THICKNESS 6.3 - 12.5
STEEL GRADES PORTFOLIO: S355J2H, S355NH

 

OUR OFFER OF COMPLEX DELIVERIES ACCORDING TO THE CUSTOMERS' REQUIREMENTS:

  • ­heat treatment
  • testing of mechanical properties, chemical composition, evaluation and documentation of the metallographic structure of the material
  • water pressure testing
  • non-destructive testing by eddy current, ultrasonic testing
  • magnetic wet powder fluorescence method
  • grinding
  • painting
  • cutting to the exact lengths

PRODUCT CATALOGUE

A comprehensive overview of all products, material and dimensional standards used, chemical compositions of non-standard steel grades and our defectoscopy can be found in the product program, which can be downloaded here.