Steel Stair Components for Builders

We are based in NSW and work on projects across metropolitan and regional locations. We are dedicated to producing quick and accurate design packages to fast-track this stage of your building project. We also provide a wide range of Balustrades ranging from Aluminium Balustrades to Galvanised Balustrade to Stainless steel Balustrade. We provide accurate and detailed project estimates to help you make informed decisions. We work on small and large projects, from staircases to bridges, skyscrapers, wind turbines, and pipelines.
Gonzalez Steel offers a comprehensive steel preparation, painting, and galvanising service as part of our all-inclusive service packages. Whether it be installation, fabrication or even both we can source someone out to get the job done. Our tradesmen are all qualified with their own tools, equipment and insurances. cold formed steel framing Australia We're your trusted partners in seamless logistics, making your satisfaction our priority. We invite you to get to know all the industries we work with  and get in touch with us to request a quote to start your next steel project with us.

Structural steel is one of the most important materials in modern construction. It forms the load-bearing framework of commercial, industrial, and large-scale building projects, providing strength, durability, and design flexibility. We fabricate custom frames, staircases, platforms, bracing systems, architectural steelwork, and detailed stainless steel components. From detailed shop drawings through to precision manufacturing and on-site installation, we manage steel fabrication Sydney projects from start to finish with efficiency, compliance and clear communication.
The permitted variation in riser height across a single flight is 5mm under most Australian codes. Builders working with steel fabricators should request shop drawings and check them against the architectural and structural drawings before any cutting or welding starts. Catching a dimensioning error on paper saves significant time compared to discovering it on site during installation. For a detailed technical overview of fabrication tolerances, the Australian Steel Institute publishes guidance that is directly relevant to structural stair work. In structural steel stairs, stringers are most commonly fabricated from channel sections (PFC), universal beams (UB), or a flat plate that has been cut and welded into a sawtooth profile.
The I-shape is structurally efficient for bending – material is concentrated in the flanges where bending stresses are highest, while the web resists shear. The I-section (also called H-section or wide-flange section) is the most widely used structural section. Steel structures, if not properly protected, require periodic repainting and inspection. You're guaranteed a highly personalised and tailored service from qualified industry specialists.

The choice between these depends on the load requirements, the span between floors, and the aesthetic outcome the designer is after. Our structural steel fabrication Sydney team supports all stages from drafting to delivery. Marco Steel has built a name and reputation for delivering exceptional Structural Steel, Stainless Steel & Aluminium Fabrications services to the Sydney market.
Sydney based structural steel detailing solutions for all types of commercial, industrial and residential projects. Our on-site services encompass site measurements, on-site meetings, and 3D scanning, supporting your project's physical requirements with precision and accuracy in the detailing of steel structures and structural steel drafting. Our steel detailing services encompass 3D modeling and 2D shop drawings, providing you with the essential blueprints to transform architectural plans into structural steel structures. As we specialise in providing complete, cost-efficient steel fabrication solutions, you are guaranteed fast turnarounds, competitive rates, and builders trade prices.

These sections are standardised and catalogued in IS 808 (Dimensions for Hot Rolled Steel Beam, Column, Channel, and Angle Sections). With proper protective coatings (painting, galvanizing, weathering steel grades), steel structures can last well over 50–100 years with minimal maintenance. Unlike concrete (which varies with mix design and curing), steel is produced under controlled conditions.
Whether  you need custom fabrication, on-site welding, or full-scale installation, Brar Building Solutions is your trusted partner for dependable steel work. Fabinox is an established Sydney based company providing full-service fabrication and installation of structural steel and process piping. In most instances, structural steel is the most-cost effective option in construction. In the past 30 years, advancements in steel production processes have seen productivity rates increase exponentially. The time that it takes to produce a single tonne of steel is significantly lower, meaning that as a base material it is much cheaper. At iCombined360, we fabricate structural steel that supports buildings, bridges, and everything in between.