When it comes to propping, you have two materials to choose from: Steel and aluminium. Both are strong metals with their own characteristic properties suited for propping. The ultimate winner for you is the one that fits your project requirements.
Let’s have a look at the differences between steel props and aluminium props and find out which one is right for your project.
Steel Props vs Aluminium Props
Manufacturers build both steel and aluminium props to handle heavy loads and support frameworks during construction and renovation projects. Both offer telescopic height adjustment with similar features and perform the same function. However, the material brings slight variations that make these props different and help you decide your project fit.

Load capacity and strength
A prop’s most important feature is its load capacity, as the prop’s primary function relies on it. Steel is denser and sturdier than aluminium. These inherent properties of steel give steel props higher strength and load-bearing ability than aluminium props. Use steel props for heavy loads such as commercial buildings, and choose aluminium props for lighter or smaller applications like residential projects.
Weight
Aluminium metal is significantly lighter than steel, giving aluminium props their biggest advantage. Due to their lightweight, aluminium props are easy to handle and transport, saving labour and transportation costs. On the one hand, steel props are heavy and require careful handling to be moved.
Cost
Aluminium props are more expensive than steel, hence steel props are the ideal choice for frequent propping use and heavy loads. However, the higher upfront cost of aluminium can pay off in projects where labour efficiency and quick installation matter. Their lightweight design reduces handling time and overall labour expenses, especially when props need to be moved or adjusted often.
The more cost-effective option depends on your project priorities. Opt for steel if long-term strength and durability are your priority, or choose aluminium if you require speed, portability, and reduced labour effort.
Corrosion resistance
Steel props can rust if they are not protected and coated. However, the aluminium props do not require a protective layer as aluminium metal doesn’t corrode. If your steel props are not corrosion-resistant, humidity, rain and moisture can lead to rust. If you need to work outdoors, in moist, humid or rainy environments, then either use aluminium props or opt for galvanised or coated steel props.
Our customers don’t have to worry about corrosion because we make all our steel props from galvanised steel, which protects the metal and ensures long-lasting durability.
6 Factors To Choose The Right Prop For Construction

Comparison table of steel vs aluminium props
A quick overview of the differences in steel and aluminium props that will help you decide the right fit.
Check out how Legend Hire used steel props to design and install a propping system for a heavy-duty, high-risk back propping hospital project in Sydney.
| Feature | Steel prop | Aluminium prop |
| Weight | Heavy | Lightweight |
| Load capacity | High | Moderate |
| Durability | Excellent under rough use | Good but less rugged |
| Corrosion resistance | Requires protective coating | Naturally resistant |
| Cost | Lower upfront | Higher upfront |
| Handling | Requires more effort | Easy to handle and move |
| Use case | Long-term, heavy-duty work | Light to medium projects, frequent movement |
Legend hire’s range of steel and aluminium props for hire
Hope this guide helped you figure out the right prop for your project. If you’re unsure, contact Legend Hire and we will walk you through not only the material selection but the right prop type, load capacity and quantity.
Legend Hire offers both steel and aluminium props to meet the diverse needs of modern construction projects. Our Aluminium props, Titan props and Legend Multi props offer lightweight handling, quick setup, and corrosion resistance, making them perfect for fast-paced projects or situations where efficiency and mobility matter.
Our steel props include Legend 10T, 50T, and 100T props, which are built for heavy-duty applications and long-term stability under extreme loads.