Production facilities

Contains the following main facilities:

• Piercing mill– Stieffel type, made in Russia, with a capacity of 200.000 t/year.
• Elongating rolling mills
  • TPA 200 ASSEL stand made in Russia, with a capacity of 120.000 t/year, is used for mechanical tubes and mother tubes for further cold-rolling.
  • Mannesmann AWW 550 ASSEL stand made in Germany, with a capacity of 80.000 t/year, is used for line pipes and tubes for boiler.
• Straightening machines.
• Cutting-off machines.
• Beveling machine.
• PM inspection.
• Ultrasonic inspection equipment.
• Pressure test machine.
• Varnishing equipment.

Contains the following main facilities:

• Piercing mill – Diescher type SWW 780, made by Mannesmann, Germany, with a capacity of 200.000 t/year.
• Elongating Bench roller – Made by Mannesmann, Germany, with a capacity of 150.000 t/year.
• Hot reduction line No.1 – Contains a walking beams furnace for reheating and normalizing and a stretching-reducer with 28 rolling-mill stands, made by Kocks, with a capacity of 65.000 t/year.
• Hot reduction line No.2 – Contains a walking beams furnace for reheating and normalizing and a stretching-reducer with 20 rolling-mill stands, made by Kocks, with a capacity of 85.000 t/year.
• Reheating and normalizing furnace (CVP) – maximum furnace temperature 1000⁰
• Battery for finishing No. 1
• Battery for finishing No. 2
• Ultrasonic inspection equipment.
• Eddy current inspection equipment.
• Pressure test machine.
• Varnishing equipment.

Contains the following main facilities:

• Cold rolling pilger mill HPT 250 – 10000 t/year capacity, is used for precision tubes with outer diameter between 90÷210 mm.
• Cold rolling pilger mill LAPIR 50 – 5000 t/year capacity, is used for precision tubes with outer diameter between 20÷38 mm.
• Cold rolling pilger mill LAPIR 75 – 6000 t/year capacity, is used for precision tubes with outer diameter between 20÷60 mm.
• Cold rolling pilger mill SKW 75 – 7000 t/year capacity, is used for precision tubes with outer diameter between 20÷60 mm.
• Cold drawing – bench – 15 t force.
• Cold drawing – bench – 30 t force.
• Cold drawing – bench – 45 t force.
• Cold drawing – bench – 60 t force.
• Cold drawing – bench – 150 t force.
• Continuous furnace.
• Straightening machines.
• Cutting-off machines.
• Ultrasonic inspection installation.
• Beveling machine.
• Oiling by soaking equipment.
• External oiling machine.

Contains the following main facilities:

• Skiving and Roller Burnishing machines – 25000 t/year capacity, is used for inside skiving and roller burnishing of precision tubes with outer diameter up to 420 mm, lengths up to 12 m.
• Centerless OD grinding machine – 5800 t/year capacity, is used for OD grinding of tubes with outer diameter between 25÷160 mm.
• Precision fix length cutting machine – 1500 t/year capacity, is used for precision fix length cutting of tubular products with outer diameter between 15÷76 mm.
• Mechanical machining center.

• Annual capacity: about 165.000 tons from which 90.000 tons of Premium Heat Treatments.
• Austenitizing hardening furnace (HT) – maximum furnace temperature 1000⁰
• Tempering and normalizing furnace (LT) – maximum furnace temperature 1000⁰
• Quenching sprayer – for pipes with WT up to 20 mm.
• Quenching tank – immersion type – for pipes with WT up to 60 mm.
• Hot straightening machine – maximum linear straightening less than 0.8 mm/1 m and 1 mm/1 m (applies to 1.5 mm from both ends of pipe). Maximum linear straightening not more than 5 mm.
• Water treatment plant
• Cooling beds
• Normalizing furnace with protective atmosphere (Nassheuer) – maximum furnace temperature 1000⁰
• Stress releving furnace (CTTI) – maximum furnace temperature 700⁰
• Normalizing and anneling furnace (CTTF) – maximum furnace temperature 1000⁰C

The main technical features:

• Number of strands = 3
• Yearly capacity = 450,000 t/year
• Designation = steel for pipes and sections
• Type of Construction = Molds and curved strands
• Machine radius = 13 m – Ladle Capacity = 100 t
• Dummy bar = chain type