Steel Tubes

Mechanical and Precision Steel Tubes

Seamless

Standards: EN 10305-1, DIN 2391, ASTM A519, GOST 8834-75, JIS-G3445, BS6323

Dimensions:
Outside diameter: 5.0 – 235.0mm
Wall thickness: 0.5 – 25.0 mm

Welded

Standards: EN 10305-2/-3, DIN 2393 / 2394, ASTM A513, IS3074, JIS-G3445, BS6323

Dimensions:
Outside diameter: 5.0 – 210.0mm
Wall thickness: 0.4 – 13.0 mm

Hydraulic Line Tubing

Tubes for hydraulic and pneumatic pressure lines

Standards: SAE J524B, A170 CDS, AMS 5050G, EN 10305-4

Dimensions:
Outside diameter: 4.0 – 100mm
Wall thickness: 0.5 – 10 mm

Cylinder Tubes

Horned or skived and roller burnished

Standards:
Seamless: EN 10305-1, DIN 2391, EN 10297
Welded: EN 10305-2, DIN 2393

Dimensions:
Inside diameter: 25 – 300mm
Wall thickness: 5.0 – 30mm
Piston Rods/Chromium-Plated Bars: Diameter 8.0 – 160mm

Seamless Stainless Steel Tubes

Steel Grades

  • Austenitic steels
  • Austenitic-ferritic steels
  • Ferritic steels
  • Martensic-ferritic steels
  • Duplex and Super Duplex
  • Nickel and iron-nickel based alloys

Corrosive and High-Temperature Applications

  • Chemical and petrochemical industry
  • Nuclear and thermal power engineering
  • Machine- and shipbuilding
  • Food industry

Tube Dimensions

  • 4.0mm – 1000mm (o.d.)
  • 0.2mm – 100mm (w.t.)
  • max. 25m length

Hot Finished Tubes

  • General tubes and pipes
  • Furnace tubes
  • Hollow bars
  • Boiler tubes (nuclear industry)

Cold Finished Tubes

  • Heat exchanger tubes
  • Instrumental tubing
  • Boiler tubes
  • General tubes and pipes

U-Bent Tubes

  • According to customer specification
  • Bending radius from 1.5mm o.d. to 1,250mm o.d.
  • Hydrostatic testing

Welded Stainless Steel Tubes

Steel Grades

  • Austenitic steels
  • Ferritic steels
  • Duplex steels
  • Super Duplex
  • Nickel based alloys
  • Titanium

Tube Dimensions

  • Welded (TIG and laser): 3.0mm – 127mm (o.d.), 0.2mm – 3.0mm (w.t.)
  • Cold plug redrawn: 0.5mm – 25mm (o.d.), 0.05 mm - 2.2mm (w.t.)

Additional Manufacturing

  • Heating & annealing
  • Testing
    • Eddy Current
    • Ultra-sonic
    • Helium / Hydrogen leakage
    • Pneumatic pressure (air-under-water)
  • Cutting / sawing to customer length
  • U-bending
  • Drilling
  • Punching
  • Coiled tube

Energy Tubes

  • Austenitic / ferritic and titan tubes for condensers
  • HP preheater U-bent tubes
  • LP preheater U-bent tubes
  • Laser welded high pressure preheater tubes
  • Moisture separator reheater tubes
  • U-bent tubes for heat transfer systems

Industries

  • Automotive industry
  • Plant and apparatus engineering
  • Utility systems (water and gas)
  • Petrochemical industry
  • Power generation
  • Oil and gas
  • Food industry
  • Medical
  • etc.

Boiler Tubes, Heat Exchanger and Condenser Tubes

Boiler Tubes

Seamless carbon and alloy tubing, electric-resistance-welded tubes, other high temperature applications according to ASTM/ASME etc.

For use in boilers, HRSG, pulp and paper, incinerators etc.

Steel Grades

  • A/SA 178 Gr. A/C/D
  • A/SA 192
  • A/SA 210 Gr. A1/C
  • A/SA 209 Gr. T1/T1a/T1b
  • A/SA 213 T2, T5, T9, T11, T12, T22, T24, T91, T92, T122, TP304H, TP347, TP347H, TP321H, TP347HFG etc.

Size Range

Outside diameter: 1.25” – 5” / 31.75mm – 127mm (o.d.)
Wall thickness: 0.118” – 0.875” / 3mm – 22.23mm (o.d.)

Pressure Pipes

Carbon and Alloy seamless pipe/Carbon and Ferritic Alloy Steel Forged and Bored Pipe and other high-temperature applications according to ASTM/ASME Spec and other international standards.

For use in power boilers, pipe systems, the petrochemical industry, refineries.

Steel Grades

Available steel grades include but are not limited to:

  • A/SA 53
  • A/SA 106 Grade A/B/C
  • A/SA 335 P1, P2, P5, P9, P11, P12, P23, P91, P92 etc.
  • A/SA 376 TP304/H TP321/H, TP347/H etc.
  • A/SA 369 G. FPA, FPB, FP1, FP2

Size Range

Outside diameter: 12” NPS – 30” NPS / 21.3mm – 762mm
Wall thickness: 0.109” – 2.5” / 2.77mm – 63.5mm

Special Requirements

  • Larger ODs and heavier wall thickness available upon request
  • Also available in DIN, JIS and EN spec and grades

Heat Exchanger and Condenser Tubes – Straight and U-Bent

Applicable for refining, refrigeration, petrochemical, gas transmission, boilers, pulp and paper, heating and air conditioning, chemical & electric power

Size range:
0.500” – 2.50” / 12.70 – 63.50mm
0.035” – 0.500” / 1.65 – 12.70mm (o.d.)

Larger (other) sizes, special grades and international standards such as EN and JIS G available upon request.