Bruce Rock Engineering fights corrosive wear in mining trailers with Hardox® HiAce
June 25, 2021
5 min read
Case details
Product
Hardox® HiAceCountry
Australia
Company
Bruce Rock Engineering (BRE)
Industry
Trailers and body builders
Brand program
Hardox<sup>®</sup> In My Body
When Bruce Rock Engineering (BRE) got wind of SSAB’s new wear steel for corrosive environments, the company saw the potential and ordered plates straight from the mill in Sweden to start manufacturing its first side dump trailer in Hardox® HiAce.
Campbell Transport sees the benefits with Hardox® HiAce
“Our mining trailers are subject to high levels of corrosion due to the mineral content of the iron ore transported and the coastal area we work in. We chose Hardox® HiAce for its high resistance to corrosion and its wear properties, which we anticipate will extend the life of our trailer bodies. Our Super Quad trailers operate 24/7, completing two trips per day from Iron Valley mine to Port Hedland, a distance of 680 kilometers (422 miles) per round trip. The climate of the Pilbara region is challenging, with rainfall, cyclones, dust storms, and summer temperatures often exceeding 45°C (113°F) in the Iron Valley region,” says David Campbell, Managing Director at David Campbell Transport.
An entire mining trailer body of Hardox® HiAce adds service life
The floor plate as well as the trailer sides of BRE’s new Super Quad side dump trailers for transporting corrosive loads are entirely made of Hardox® HiAce.
SSAB’s own research and wear corrosion tests indicate a conservative estimate of a 20-30% increase in service life compared to Hardox® 450. Depending on the transport conditions, an increase of up to 50% is realistic. Considering these numbers, BRE recognized the immediate benefit of adding years and many thousands of kilometers on rough roads before any maintenance is needed, therefore lowering total ownership costs of equipment.
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“Changing from Hardox 450® to Hardox® HiAce hasn’t caused any challenges in the workshop. When plasma cutting, bending, machining and welding it’s business as usual. We haven’t changed the design and we keep the same thickness as with Hardox® 450. All that has changed is the higher resistance towards corrosive material.”
Super Quads trailers lighten the load in mining
Transport efficiency is crucial in today’s mining industry. More payload moved using less fuel adds up to greater savings for mining operations. BRE prides itself in manufacturing trailers and other custom transport equipment with some of the lowest tare weights in Australia.
One of the many impressive trailers BRE produces using Hardox® wear steel is the 60 m Super Quad road trains with a payload up to 141 t – four trailers pulled by a powerful truck traveling vast distances on dirt roads. Most of the trailers are used to transport iron ore from the mines in the Pilbara region of Western Australia to the nearest port.
Why Hardox Hi Ace in mining trailers
Why iron ore is tough on steel mining trailers
Iron ore in itself is a quite neutral mineral. However, it contains some salt. To make matters worse, the iron is sprayed with water to suppress dust. Salt, moisture and extremely high temperatures in this tropical region create a perfect environment for corrosive wear.
Up till now it’s been difficult to counteract this process. When steel corrodes, it creates a layer of oxides that are more susceptible to abrasion. Transporting corrosive materials can also cause pitting, small holes that can damage the steel’s deep structures.
Other minerals extracted from Australian mines, such as lithium, nickel and copper concentrate, can also cause corrosive wear. Copper in particular is aggressive to steel, since it contains sulfuric acids.
I want to improve the corrosion resistance of my mining trailers – contact me
Hardox® In My Body membership for quality assurance
BRE is a member of SSAB’s quality programs Hardox® In My Body as well as My Inner Strenx®. Customers who take delivery of a trailer, or any other equipment with a Hardox® In My Body can expect a product that is designed and manufactured to the highest standards. Hardox® In My Body certified products exclusively use Hardox® wear plate for productivity, safety and a high resale value. BRE also belongs to Hardox® Wearparts, a worldwide network of companies offering wear services and wear parts made of Hardox® wear plate. BRE was the first company globally and the only Australian company to be a member of all three quality programs.
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More real-life proofs on the advantages of Hardox® wear steel
Hardox® steel works hard for Bruce Rock Engineering
Bruce Rock Engineering is a die-hard user of Hardox® wear plate in its products. When the new hard and tough grade Hardox® 500 Tuf was introduced, the company quickly saw the opportunities to increase service life and payload.
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