2,900+ consumables, machines, safety and fume-extraction lines — five own brands, manufactured and stocked for UK trade. One account, the whole workshop.
02 — The departments
2,928 lines, four levels deep — consumables, machines, safety, gas and fume extraction, all from one trade account.
01 
02 
03 
04 
05 03 — The trade portal
Since we last rebuilt this site we've launched a full trade portal — your pricing, live stock and online ordering in one place. It does the paperwork so you can get back to the bench.
04 — Training
Behind the same century of welding expertise: certificated online courses and hands-on, accredited training — so your team gets better, not just better-equipped.
Online · Self-paced Certificated online welding and fabrication courses — the theory behind every process, learned at your own pace with instant certificates and manager reporting.
In person · EAL-accredited Hands-on, EAL-accredited training on real equipment at our Technology & Training Centre in Letchworth — from first arc to positional tickets.
05 — Ask the experts
Short videos from the people who do the job every day — technique, consumables, extraction and servicing. Real questions, answered by name.
06 — Free reference
Every SIF consumable spec'd with part numbers, plus the filler-selection charts that tell you exactly what to run on what. The reference our trade desk uses — yours free, 2026 edition.
The Orbital Centre · Letchworth 07 — Why Weldability
We supply the trade — account pricing, no minimum order and free UK delivery on orders over £150. No consumer noise.
SIF, CEPRO, Extractability, Fumex and Newarc — manufactured and stocked by us, not just factored in. One partner, five ranges.
The UK's largest independent fume & dust extraction stockholder — from a single capture arm to a complete, LEV-tested system.
Learn to Weld: EAL-accredited courses at our own training centre, behind the same century of welding expertise.
08 — Proof, not promises
Customer Project · 2022 Bridgwater & Taunton College Welding Centre of Excellence How Weldability SIF helped EDF and Bridgwater & Taunton College build a 20-booth Welding Centre of Excellence — training over 5,000 welders for projects including Hinkley Point C. Read the story → 
Fume Extraction · Modern New ventilation system made Volvo's production roll faster Volvo Buses is one of the world's largest bus manufacturers. With core values such as quality, safety and the environment, the company wants to develop… Read the story → 
Heritage · 1950s The Jaguar D-Type: SIFbronze on the Racetrack How the low-temperature SIFbronze process joined the Jaguar D-Type's Reynolds 531 tubular chassis — strong, light and distortion-free enough to win at Le Mans. Read the story → 09 — Our brands
We manufacture and control our own brands end to end — depth a reseller can't match.
SIF A century of welding consumables 1,498 productsExplore → 
Extractability The UK's largest independent fume & dust extraction stockholder 146 productsExplore → 
Fumex High-efficiency industrial fume extraction 689 productsExplore → 
CEPRO Certified welding safety & protection 573 productsExplore → 
Newarc Inverter welding machines, engineered since 1973 15 productsExplore → 
Learn to Weld EAL-accredited welder training Training centreExplore → 10 — Heritage
Founded in 1925 as the Suffolk Iron Foundry, SIF and SIFbronze helped build the things that built Britain — Jaguar at Le Mans, London Transport on the rails, aircraft in the air. That credibility now backs a 2,900-line catalogue, an EAL-accredited training centre, and a digitised archive of 76 issues of SIF Tips, Britain's welding quarterly.
Open an account
Trade-only · No minimum order · Free UK delivery over £150. Request an account and get access to the full range.
