Hardox 450 in Concrete Mixer Drums Enables a Saving of One in Six Loads

Concrete mixer drums operate in a very tough environment with hard and wet concrete that continuously exposes the drums to extreme wear. Also, increasing regulations on the maximum weight of heavy goods vehicles around the world creates challenges.

SINGAPORE, June 29, 2015 (Antara/PRNewswire) -- Besides being very tough, concrete mixer trucks must also be very light. Lower tare weight enables higher payloads,increasing productivity while reducing fuel consumption and environmental impact.

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SSAB's high-strength steels make it possible to build significantly lighter applications. One steel that meets demanding market requirements is SSAB's wear-resistant steel, Hardox 450.

In recent years SSAB has made significant developments when it comes to thin Hardox. New, pioneering quenching technics introduced in the strip mill are especially favorable for producing thin wear resistant steels. "A good combination of bending properties and through-thickness hardness together with excellent surfaces characterize thin Hardox," says Joachim Larsson, head of Product Development.

A concrete mixer drum made of Hardox 450 can be made very light without compromising on service life and gives the customer a:

durable mixer drum with good resistance to wear and denting
significantly lighter mixer drum
possibility to increase payload, which in many cases enables a saving of one in six loads

Finding: Up to 50% weight reduction possible with Hardox 450

Studies have shown that it is possible to manufacture an extremely light and strong concrete mixer drum in Hardox 450 without reducing service life. The conceptual model was built using 3mm Hardox 450 in both the shell of the drum and the spirals, resulting in up to 50% weight reduction compared to conventional mixer drums. This reduction in weight means higher payloads, lower fuel consumption and less environmental impact.

Comprehensive offering for concrete segment

In addition to Hardox 450 wear-resistant steel for concrete mixer drums, SSAB can offer a wide range of other solutions to combat the challenges of the industry. Strenx 700 MPa high-strength structural steel enables the design of a lighter structure for the pedestal and subframe. Hardox 500 Tubes have been tested in the field with excellent results. A concrete pumping tube is an excellent case example of an application where tube needs to resist extreme internal and external wear.

Contact:

Kris Chua
Phone: +65-9299-1622
Email: kris.chua@ssab.com
Website: http://www.ssab.com

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