Rydal Flat Bar Vs Square Edge Flat Bar: Which Should You Choose?
Whether you’re building, repairing or making something from scratch, choosing the right steel flat bar can make fabrication easier and help achieve a better finished result.
While Rydal flat bar and square-edge flat bar may look similar at first glance, they’re designed for different applications. Their edge profiles, manufacturing process and typical uses can all influence which product is the better fit for your project.
In this guide, we’ll explain what makes each profile different, where they’re commonly used, why Rydal flat bar has become increasingly difficult to source in Australia, and how to choose the right option for your next project.
The Simple Answer
The main difference between Rydal flat bar and square-edge flat bar is the edge profile.
Rydal flat bar starts life as round bar in coil form before being heated and rolled into a flat section, creating its naturally rounded edges. Square-edge flat bar has crisp, square corners that are better suited to applications requiring more precise edge geometry.
Neither profile is universally better. The right choice depends on your project, how the material will be fabricated, and the finish you’re looking to achieve.
Browse Edcon’s Range of Flat Bar Products
What Is Steel Flat Bar?
Steel flat bar is one of the most popular steel products around. It’s a solid, rectangular piece that comes in lots of widths and thicknesses, so you’ll find it everywhere: from structural supports and brackets to machinery parts and general fabrication.
Its simple shape makes it super versatile. Steel flat bar is easy to cut, drill, weld, and machine, so it’s handy for all sorts of projects, from commercial and industrial jobs to farm work to DIY at home.
At Edcon Steel, you’ll find an extensive range of flat bar options, standard mild steel, Grade 300 Plus, Duragal, hot dip galvanised, and pre-cut post flat bar. We also stock aluminium, brass, and gauge plate flat bar for specialised applications.
What Is Rydal Flat Bar?
Rydal flat bar starts life as a round steel bar in coil form. During manufacture, the steel is heated and rolled to form a flat section, naturally creating the rounded edges and corners that distinguish it from square edge flat bar.
The name “Rydal” comes from “round edge”. Rydal flat bars, along with small round edge square bars, were once common throughout the Australian steel industry. Over time, however, fewer manufacturers continued producing them, and today they have become increasingly difficult to source locally.
Recognising ongoing demand from fabricators, engineers and tradespeople, Edcon Steel established a relationship with a UK manufacturer to import Rydal flat bar for the Australian market. While the product is not manufactured in Australia, it provides customers with continued access to a profile that has become increasingly uncommon.
What Is Square Edge Flat Bar?
Square-edge flat bar is made with sharp, square corners and crisp edges.
Unlike the Rydal flat bar, these corners stay sharp after rolling, giving you a cleaner profile. That’s handy when you need accurate alignment, tight joints, or plan to do some machining.
Square-edge flat bar is commonly selected for precision fabrication, engineering components, machine parts, tooling, base plates, and projects where appearance or dimensional consistency is particularly important.
Its square profile also provides a cleaner finish when pieces are joined edge-to-edge or incorporated into fabricated assemblies.
Why Edge Shape Matters
Edge shape might seem like a small thing, but it can make a big difference to how easy your project is to build, how it looks, and how much finishing work you’ll need to do.
Rounded edges can be perfectly suitable for most everyday jobs. Gates, trailers, brackets, and farm projects usually don’t need sharp corners, so Rydal flat bar is often the smart, practical pick.
But if your project needs parts to sit flush, precise machining, or neat joints, square-edge flat bar is usually the better choice. The sharp edges make measuring, fitting, and assembly easier when you need things to line up just right.
At the end of the day, it’s about what your finished project needs; there’s no one-size-fits-all answer.
Common Applications For Rydal Flat Bar
Rydal flat bar is used across a wide variety of industries because it combines versatility with an economical hot-rolled profile.
Common applications include:
- General steel fabrication.
- Structural supports.
- Trailer manufacturing and repairs.
- Agricultural equipment.
- Gates and fencing components.
- Brackets and mounting plates.
- Maintenance and repair work.
- Workshop fabrication projects.
Its rounded edges are well-suited to projects where appearance and dimensional precision are secondary to strength, durability and ease of fabrication.
Edcon's Range Of Rydal Flat Bar
Recognising that the Rydal flat bar had become increasingly difficult to source in Australia, Edcon Steel established a relationship with a UK manufacturer to continue supplying this traditional round-edge profile.
Edcon currently stocks Rydal flat bar in the following sizes:
- 10 × 3 mm.
- 13 × 3 mm.
- 13 × 5 mm.
- 13 × 6 mm.
- 16 × 3 mm.
- 16 × 5 mm.
- 16 × 6 mm.
- 6 × 6 mm.
- 8 × 8 mm.
Additional sizes may become available as the range continues to grow.
Which Flat Bar Should You Choose?
If you’re choosing between Rydal and square-edge flat bar, start by thinking about what your finished project needs, rather than focusing solely on the material.
For gates, trailers, brackets, farm equipment, and general fabrication, Rydal flat bar is often the practical choice. Its distinctive rounded-edge profile suits many everyday fabrication jobs where perfectly square corners aren’t essential.
If your project involves machining, engineering components, close-fitting assemblies or exposed fabricated joints, square-edge flat bar may be the better option. Its crisp edges can simplify alignment and produce a cleaner finished result.
At Edcon Steel, we stock a broad range of flat bar products to suit everything from general fabrication through to structural and engineering applications. Alongside Rydal and square edge flat bar, our range includes Grade 300 Plus, Duragal C450LO, hot-dip galvanised flat bar, pre-cut flat bar for posts, and aluminium, brass, and gauge plate flat bar.
With online ordering, custom cutting and Australia-wide delivery, it’s easy to source the right flat bar for projects of almost any size.
Need Help Choosing The Right Flat Bar?
Whether you need Rydal flat bar, square-edge flat bar, or another flat bar product, the team at Edcon Steel can help you choose the right material for your application.
Browse our range online, visit one of our NSW stores in Brookvale, Revesby, Blacktown, Bathurst, or Orange, or check out our full range online.
If you need advice, pricing, custom cutting, or delivery options, don’t hesitate to contact our team.
Safety And Specification Disclaimer
Always select steel products that are appropriate for your intended application and any relevant engineering, building or project specifications. Material grade, dimensions and finish should be confirmed before fabrication or installation. If your project has structural or compliance requirements, seek advice from a qualified engineer or relevant professional before proceeding.
FAQs
Is Rydal flat bar stronger than square-edge flat bar?
Not necessarily. The edge profile doesn't determine the material's strength. The appropriate product depends on the steel grade, dimensions and the requirements of your application.
Which flat bar is better for welding?
Both Rydal flat bar and square-edge flat bar can be suitable for welded fabrication. The best option depends on your project, joint design and required finish.
Can Edcon Steel custom-cut flat bar?
Yes. Edcon Steel offers custom cutting across its flat bar range. Orders can be prepared for collection from NSW stores or delivered Australia-wide.
Do you deliver steel flat bar outside NSW?
Yes. Edcon Steel delivers throughout Australia. Daily Edcon Steel truck deliveries service many locations across Sydney and Central Western NSW, while reliable freight partners deliver to other parts of Australia.
Can I order steel flat bar online?
Yes. You can browse the range, check live pricing on many products and place orders through the Edcon Steel online store at any time.
Which Edcon Steel stores stock flat bar?
Flat bar is available through Edcon Steel's locations in Brookvale, Blacktown, Revesby, Bathurst and Orange. Availability of specific products and sizes may vary, so it's worth contacting your preferred store if you need a particular item.
What other flat bar materials does Edcon Steel stock?
In addition to steel flat bar, Edcon Steel stocks aluminium, brass, and gauge plate flat bar for a variety of fabrication and engineering applications.
I'm not sure which flat bar I need. Can someone help?
Absolutely. Whether you're a builder, fabricator, engineer, tradesperson or home DIYer, the Edcon Steel team can help you compare products and select a suitable flat bar for your project.
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