UNEQUAL ANGLES: ENGINEERED GEOMETRY FOR SPECIALIZED STRUCTURAL SOLUTIONS

In the world of sophisticated steel design, standard symmetry is not always the answer. The Unequal Angle, defined by its distinct L-shaped profile with one leg longer than the other, is the perfect solution for projects with specific spatial constraints. This unique geometry allows architects and engineers to place strength exactly where it is needed without adding unnecessary bulk to a structure.
At Hangan Steel, we specialize in providing these precision-rolled sections for those tricky junctions where a standard angle simply won’t fit. Whether you are supporting a complex masonry facade or building custom mechanical brackets, our unequal angles offer a tailored approach to structural integrity.

Premium Unequal Angles (UA) Melbourne

Hangan Steel is the premier choice for unequal angles melbourne builders rely on when standard sections aren’t enough. While Equal Angles are the “all-rounders” of the industry, structural steel angles victoria often requires the specialized profile of a UA. These sections feature a “long leg” and a “short leg,” offering different bending capacities on each axis. This makes them highly effective for applications where horizontal support needs to be wide, but vertical space is limited.

All our stock is manufactured as AS/NZS 3679.1 steel angles, ensuring high-grade 300PLUS structural performance. Whether you are performing a heritage restoration or a modern commercial build, our UA steel sections melbourne provide the certified strength and weldability your engineering plans demand.

Unequal Angle Size Chart &Section Properties

Calculating the correct unequal angle properties australia is essential for ensuring your frame can handle specific load-bearing requirements. Below are the most common UA steel sizes victoria available through our fabrication facility.

⚠ Note: For full minor axis calculations (Iy and Zy), please contact our technical support team.

Designation	Weight (kg/m)	Surface Area (m²/m)	Leg A (mm)	Leg B (mm)	Thickness (T) mm	Depth Between Fillets (D1) mm
150x100x12 UA	22.5	0.493	150	100	12	125
150x100x10 UA	18.0	0.495	150	100	10	130
150x90x15 UA	26.3	0.465	150	90	15	122
150x90x12 UA	21.6	0.468	150	90	12	125
150x90x10 UA	17.3	0.470	150	90	10	130
150x90x8 UA	14.3	0.473	150	90	8	135
125x75x12 UA	17.7	0.392	125	75	12	102
125x75x10 UA	15.0	0.393	125	75	10	105
125x75x8 UA	12.2	0.395	125	75	8	110
125x75x6 UA	9.23	0.396	125	75	6	113
100x75x10 UA	13.0	0.344	100	75	10	82
100x75x8 UA	10.6	0.345	100	75	8	85
100x75x6 UA	7.98	0.347	100	75	6	88
75x50x8 UA	7.40	0.245	75	50	8	60
75x50x6 UA	5.66	0.246	75	50	6	63
75x50x5 UA	4.74	0.247	75	50	5	65
65x50x8 UA	6.75	0.225	65	50	8	50
65x50x6 UA	5.16	0.226	65	50	6	53
65x50x5 UA	4.35	0.227	65	50	5	55

Strategic Applications for UA Steel Sections Melbourne

The unique “long-short” leg profile of unequal angles melbourne makes them the ideal choice for several specific construction challenges in Victoria:

01

Brickwork & Masonry Support

Often used as lintels where the long leg provides a wide "seat" to support a brick skin, while the short leg remains hidden within the wall cavity.

02

Mechanical Brackets

Ideal for mounting machinery where a large bolting surface is required on one side, but the attachment point on the other side is restricted.

03

Stair Treads

The long leg provides a safe and wide surface for the step, while the short leg acts as a slim vertical attachment to the stringer.

04

Fascia and Edge Support

Providing a sturdy edge for roof lines or floor slabs where a specific depth is required for aesthetic or drainage purposes.

EXPERT STEEL ANGLE FABRICATION VICTORIA

At Hangan Steel, we go beyond simple supply. Our steel angle fabrication victoria services ensure your UA sections are delivered “install-ready.” Working with unequal legs requires a higher level of attention to detail to ensure the correct orientation on-site.

01

Precision CNC Drilling

We can pre-drill bolt holes in either the long or short leg with absolute accuracy, following your structural drawings.

02

Custom Cropping

We provide clean, square cuts to your exact specified lengths, reducing waste and on-site labor.

03

Mitre Cutting & Notching

Perfect for creating specialized frames that must wrap around existing structures or fit into tight corners.

04

Protective Coatings

We offer hot-dip galvanizing for structural steel angles victoria used in coastal areas or exposed external environments to prevent long-term rust.

Why Choose Hangan Steel for Unequal Angles?

Choosing Hangan Steel means you get the “Builder Advantage.” We understand that UA steel sizes victoria are often specified for the most complex parts of a frame. Our detailing team reviews your plans to ensure the orientation of the long and short legs is perfect before any steel is cut. With our rapid delivery across Melbourne and the Mornington Peninsula, we keep your project moving forward without delay.

Unequal Angles (UA) :
Frequently Asked Questions

How do I know which leg is the "Long Leg" in your charts?

In our technical charts and on your engineering plans, the first measurement always refers to the long leg. For example, in a 125 x 75 UA, the 125mm leg is the long one.

Can Unequal Angles be used for bracing?

Yes, though Equal Angles are more common for simple “X” bracing. Engineers specify unequal angles melbourne for bracing when they need higher stiffness in one specific direction.

Do you offer galvanized UA sections?

Absolutely. We provide galvanized UA steel sections melbourne for any application that will be exposed to the weather, ensuring your structural steel remains protected for the life of the building.

WhAT OUR CLIENTS SAY...

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 Trustindex verifies that the original source of the review is Google. We had Hangan Steel conduct the supply and installation of our Structural Steel framework on the latest project we have underway in Lilydale. We had Peter put in charge of the works, which was scheduled, detailed, delivered and installed under his watch. He did a fantastic job, from the shop drawings to the well executed connections and perfect install. Very helpful and informative assisted with the expert advice from years of practical experience in the construction sector. Peter also went over and above... Even picking up some items that should have been my responsibility. He kept me informed with phone calls and photo's... You guys will be my first choice for my steel needs.
Thank you Peter and Hangan Steel.
  
 
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 Trustindex verifies that the original source of the review is Google. From the office staff, to the production manager, to the people who came to site for the install, to the owner himself; I cannot fault this company for its integrity, customer service and above all the great job they did on what was a difficult and tight worksite. I would not hesitate to recommend them to anyone who is in need of structural steel of their next project.

Been using Diego from Hangan for a few years now for onsite welding, fabrication and installation, he’s always a pleasure to work with- there is no problem is too big, and I can rely on him for a quality result. In the same way, when I need to book, Indi is always very obliging and makes every effort to provide us with the resources we need when we need them.

The guys from Hangan Steel are very professional, organised and easy to deal with when getting structural steel works completed on my projects. Nothing is too hard and if I can say it the more technical the project the more the guys come to life in coming up with a positive solution for installing the steel. Highly recommend Indi and his awesome team.

Absolutely the best in the business. Can rely on these guys at all times and there is never an issue they can’t resolve. Wouldn’t recommend anyone else except these guys. The quality of work, friendly staff and professionalism is always there and can always be guaranteed that the job has been done correctly. Special thanks to josh the supervisor for going above and beyond (as always).

Great service and communication. Indi and the team go above and beyond to get the job done on time. Onsite team lead by Josh are always organised and and well trained. Quality tradesmen, would defiantly recommend to others.

I have been working with he guys at Hangan steel for a while now and have found they are a pleasure to work with. Recently with Jim Glen supervising to ensure all goes smoothly onsite, to budget and all work done as expected in a safe and professional manner.

Request a Quote for Your Specialized Steel Angles

Hangan Steel is ready to provide the high-quality unequal angles melbourne demands. Contact us today to discuss your project requirements or send us your drawings for a precision quote.

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UNEQUAL ANGLES: ENGINEERED GEOMETRY FOR SPECIALIZED STRUCTURAL SOLUTIONS

Premium Unequal Angles (UA) Melbourne

Unequal Angle Size Chart &Section Properties