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Engineering Bar

Engineered for high precision applications

At LIBERTY Steel we have an established and proven track record of supplying high quality hot rolled bar and coil, as well as cold finished bar into a diverse range of markets.  We understand that predictability in machining and tool life are key, and our technical expertise enables us to help our customers to develop tailored solutions for their needs.

Click here to download the full Engineering Bar brochure.

Our engineering bar products cover a wide range of markets from high volume industrial markets to niche components, and all our products meet or exceed national and international standards.

We have a comprehensive bar range which encompasses a variety of steel quality types and is available in both metric and imperial sizes.

Typical applications include hydraulics, yellow goods and general machining.

A fully integrated supply chain from steelmaking to bright bar delivers full traceability and continuity of supply, and this is backed by extensive testing and heat treatment capability.


We can offer a tailored service package focused on individual needs:

  • Extensive heat treatment capability including spheroidal annealing, annealing to hardness or grain structure, normalising, stress relieving, quench and tempering
  • Chamfering/facing one or both ends
  • Hire rolling
  • Cutting to length for requirements <3 metres
  • Special packaging to individual customer requirements
  • Turning
  • Bright drawing


We can offer customers an extensive range of grades based on their technical requirements:

  • Low and medium carbon free-cutting steels
  • Carbon manganese steels
  • Boron treated steels
  • Case carburising steels
  • Micro alloy steels
  • Alloy through hardening steels
  • Free cutting steels
  • Nitriding steels
  • Enhanced machinabilitysteels, including leaded variant steels
  • Bearing steels

Customer approvals

Bright Bar Delphi, Autoliv, Caterpillar, Citroen, Peugeot, Ford, Renault, Volvo, Scania



IATF 16949, BS EN ISO9001, BS EN ISO17025, BS EN ISO 14001


Supply Type Shape Metric (mm) Imperial (inches)
Bright Bar Round drawn 8 – 90 0.31 – 3.54
Hexagon drawn 10 – 70 0.72 – 1.56
Round turned 19 – 230 0.75 – 9.05
Round heat treated 10 – 225 0.39 – 8.86
Hexagon heat treated 10 – 76 0.39 – 2.99
Black Bar
4500 mm – 14700 mm
Round 22 – 105 0.87 – 4.13
Hexagon 22 – 80 0.87 – 3.15
2150kg – 3225kg
Round 15.5 – 52 0.73 – 2.04
Hexagon 15 – 42.5 0.72 – 1.67
Square 14 – 27 0.55 – 1.06

Got a question?

We have a comprehensive technical support team available to advise on grade selection and product range to achieve the maximum benefit. Customer Technical support provide specialist advice and help with day-to-day problem solving.

Works based metallurgists and the full resources of our Steel Research and Development Laboratories are available to assist with longer-term developments.

For further information, enquiries or any technical guidance on our range of Aerospace products please contact our experts.

Contact Us
Can we help? Castings production tradition dates back to 1951. Long term experience in castings production is currently used for production of demanding grey iron and nodular iron castings for metallurgical and engineering companies in the Czech Republic and abroad. The operation unit includes also a pattern shop and scales treatment center. The unit obtained product certificates from Bureau Veritas for the entire product range and Lloyd's Register for grey iron and nodular iron castings with a piece weight up to 15 000 kg.

Find out more about this product

+44 1709 371 234Email us