Pre-Fabricated Steel
(Fab)
10 pre-fabricated steel sections
Pre-fabricated steel assemblies — twinned beams, welded top and bottom flat plates, ready for installation.
Pre-Fabricated Steel
This page covers pre-fabricated steel (Fab) supplied by CR Steel — 10 stock sizes, available cut to length, drilled and CE / UKCA marked under BS EN 1090 EXC 3. Pre-fabricated steel assemblies — twinned beams, welded top and bottom flat plates, ready for installation.
Each individual Fab size has its own page with full dimensions, weight per metre, area of section, surface area and metres-per-tonne data. Stock grade is S275 or S355 to BS EN 10025, with EN 10204 3.1 mill certificates issued on every order. Fabrication, hot-dip galvanising, priming and UK-wide delivery are available in-house.
10 sections

Channel PFC Welded Flat Bar
Channel PFC
—
Channel PFC Welded Flat Bar Reverse C
Channel PFC
—
Universal Column Twin - CHS Spacer - Touching & Separate
Pre-Fabricated Steel
—
Universal Beam Welded Flat Bar
Pre-Fabricated Steel
—
Square Hollow Welded Flat Bar
Pre-Fabricated Steel
—
Channel Twinned Joined
Pre-Fabricated Steel
—
Rectangular Hollow Welded Flat Bar
Pre-Fabricated Steel
—
Universal Column Welded Flat Bar
Pre-Fabricated Steel
—
Channel Twin - CHS Spacer - Separate
Pre-Fabricated Steel
—
Universal Beam Twin - CHS Spacer - Touching & Separate
Pre-Fabricated Steel
—
Browse every size
All pre-fabricated steel (Fab) sizes
- Channel PFC Welded Flat Bar
- Channel PFC Welded Flat Bar Reverse C
- Channel Twin - CHS Spacer - Separate
- Channel Twinned Joined
- Rectangular Hollow Welded Flat Bar
- Square Hollow Welded Flat Bar
- Universal Beam Twin - CHS Spacer - Touching & Separate
- Universal Beam Welded Flat Bar
- Universal Column Twin - CHS Spacer - Touching & Separate
- Universal Column Welded Flat Bar
Related categories
Other structural steel sections
Services for Fab
Fabrication, finishing and delivery
FAQs
Pre-Fabricated Steel (Fab),
answered.
Buying pre-fabricated steel (Fab) — sizes, grades, cutting, fabrication and UK-wide delivery from CR Steel.
- Pre-fabricated steel assemblies — twinned beams, welded top and bottom flat plates, ready for installation.
Capability
What we
deliver.

Phase 01
Engineering and design
In-house CAD and engineering support — turning architect drawings, engineer mark-ups and concept sketches into fully-detailed, fabricable assemblies ready for the shop floor.
- Tekla and AutoCAD detailing
- Engineer mark-up resolution
- Concept to fabrication drawings

Phase 02
Fabrication and welding
BS EN 1090-1 EXC 3 fabrication from our Sharnford facility — coded welders, controlled procedures and full mill traceability on every piece that leaves the shop.
- BS EN 1090 EXC 3 fabrication
- BS EN 9606-1 coded welders
- Full mill and weld traceability

Phase 03
Certification and compliance
CE / UKCA marked steelwork backed by an ISOQAR-accredited quality management system — every job leaves with the documentation principal contractors and grid operators need to sign off.
- CE / UKCA marking
- ISO 9001:2015 quality system
- Full handover documentation pack

Phase 04
UK-wide delivery
Sequenced UK-wide delivery from our own yard — call-off scheduling, just-in-time loads and site liaison so steel lands when the trades are ready to install it.
- UK-wide haulage from our yard
- Phased call-off deliveries
- Site team liaison to programme
Ready to order