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Manufacturers agents, stockists and suppliers of high quality
Heat exchanger/boiler tubes to the process industries.

Call us on: 07590 996953

Welded Tubes

tsi welded tubes page image

If you’re looking for top quality welded tubes, you’ve come to the right place.

Here at Heat Ex Tube Limited, we have an extensive range of welded stainless steel, nickel alloy and titanium tubes available for you to choose from - including direct welded, welded or cold welded tubes, all manufactured to the highest quality and rigorously tested.

Our welded tubes are supplied in a range of sizes, starting from 12.7mm and ranging right the way through to 101.6mm OD, and are in straight or U bent form.

Welded tube specifications

We supply a wide range of ASTM/ASME welded tubes, including the following material grades:

A249 / A269 / A789 / B515 / B516 / B626 / B674 / B704 / B730 / B338

Equivalents, such as BS, DIN, ANFOR, UNI and JLS are also available on special request - so if you can’t see what you’re looking for, don’t hesitate to get in touch with us.

Grades of welded tubes available

  • Austenitic stainless grades: 304 / 304L / 304LN / 304H - 316 / 316L / 316H - 317 / 317L - 309S / 309H - 310S / 310H - 321 / 321H - 347 / 347H
  • Super Austenitic: 6 MOLY, 825 / 904 / 800 / 800H / NO8811
  • Duplex Grades: DUPLEX 2205 (S31803) / DUPLEX 2304 / SUPER DUPLEX 2507 (S32750)
  • Nickel Alloys: ALLOY 20 / 200 / 201 / 276 / 400 / 600 / 22 / 625 / 686 / 59
  • Super Ferritic's / Ferritic's: 29 - 4C / S44627 / 439 / 444 / 446
  • Titanium Grades: grade 2 / grade 3 / grade 7 / grade 12


Get a quote for welded tubes

For more information about the welded tubes we supply, call our team of experts on 07590 996953. We will be more than happy to help you choose the right products.

To receive a quote, email us at with details about the type of welded tubes you require. Providing us with as much information as possible will allow us to create a fair quotation, tailored towards your exact requirements.

Order welded tubes

Once you’ve received your quote and you’re happy with the price, get in touch with the team and we will complete your order by phone or email..

Should you need welded tubes in an emergency, we make sure that your order is packed and transported as quickly and safely as possible.

Fast, efficient delivery of welded tubes

We offer emergency delivery as an additional service, supplying welded tubes, at speed, for almost any requirement - whether it be to help with rapid supply items or unscheduled operational plant shutdowns.

All welded tubes can be dispatched via land, sea or air, to location of your choice. They are packaged and transported securely and we arrange delivery times around what works best for you.

The comprehensive quality assurance accreditations of our production mills ensure that the products supplied are fully in accordance with the highest industry standards.

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A Conversion Chart covering tube wall thickness detail for BWG/SWG Equivalents in inches and millimetres

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  • Heat Exchanger Fabrication/Repair Industry
  • Oil Refineries
  • Petrochemical/Chemical Plants
  • Fertiliser Production Plants
  • Power Generating Stations
  • Steel Production Plant Furnaces and cooling sections
  • Metals Smelting Facilities
  • Gas Separation,Compression and distribution plant
  • Marine Engine cooling repair and maintenance
  • Offshore Production Platforms

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Heat Ex Tube Limited
Salvus House
Aykley Heads
Durham City

Tel: 07590 996953

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