Stainless Steel Welded Tube in Coil

Special Metal Alloys offers these stainless steel welded tubes in coils from our European stocks on a quick delivery time to any part of the world. We can also offer material on a forward order basis to your specific contract or project.

Standard Production Range

  • External Diameter
  • From 3,00 to 15,00 mm
  • From 15,01 to 25,00 mm
  • Da 0,15 to 1,50 mm
  • Tolerance
  • +/- 0,10 mm (before rolling up)
  • +/- 0,15 mm (before rolling up)
  • +/- 10%
  • Thickness
  • Da 0,15 to 1,50 mm
  • Tolerance
  • +/- 10%

On request, we can consider reduced tolerances.

Standard Controls

  • 100% in-line Eddy Current testing
  • 100% Eddy current testing after straightening
  • Dimensional control with 100% in-line laser gauge
  • Surface/cleaning visual control
  • Control with EN 10204/2.2 certificate

Controls On request

  • Pressure control underwater at 200 bar
  • Control with EN 10204/3.1 certificate
  • Mechanical tests: traction, hardness, bend, flange
  • Metallographic tests
  • Corrosion test

State Of Material

  • Raw
  • Heat-treated in-line in a controlled atmosphere to obtain constant mechanical characteristics and malleability of the tube.

Finishes

  • Polished after profiling
  • Blank annealed
  • Debeaded
  • Pickled internally
  • Brushed

Rolling Up

  • Coil on coil OD 5 – 16 mm
  • Free coils OD 3 – 25 mm

Roll Size

Depending on tube size:

  • External diameter 650 – 1500 mm
  • Internal diameter 600 – 1200 mm

Type Of Packaging

Palletized cartons:

  • 75 x 75 x H 110 cm
  • 100 x 100 x H 100 cm
  • 120 x 120 x H 100 cm
  • Metal packing

Re-drawn Welded Tubes In Coil

Standard Productions

  • OD 0,35 – 12 mm
  • SP 0,12 – 1 mm

Standard Tolerances

  • FROM
  • 0,35
  • 1,01
  • 3,01
  • TO
  • 1
  • 3
  • 12
  • TOLL ID
  • +/- 0,02
  • +/- 0,03
  • +/- 0,04

We are willing to consider special tolerances on your request.

Standard Controls

  • Air control to 8 bar
  • Surface/cleaning visual control
  • Control with EN 10204/2.2 certificate
  • Dimensional control

Controls on Request

  • Control with EN 10204/3.1 certificate
  • Air control up to 200 bar underwater

State of Material

  • Heat treatment in a controlled atmosphere for annealed tube, according to technical regulations in force.
  • Hard, as drawn
  • Half hard

Finishes

  • Polished after profiling
  • Pickled
  • Washed
  • Fixed length

Roll Size

  • Internal diameter 600 mm
  • External diameter 800 / 1000 mm

Types of Packaging

  • Palletized cartons
  • 100 x 100 x H 100 cm
  • 75 x 75 x H 110 cm