Manufacturing Industry
Ultrahigh-strength steels cut weight by 20% in rail cars. (Metals).
Advanced Materials & Processes, September, 2002
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Extra-high strength and ultrahigh strength steels in rail cars can reduce the weight of rail cars by 20% to 30%, reports SSAB Swedish Steel, Sweden. By taking advantage of certain automobile design ideas, weight can be reduced significantly while maintaining stability and stiffness, thus cutting costs and enabling higher weight-carrying capability.
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For example, the company says that a 10% weight reduction is equivalent to two tons lower weight per railcar, which translates to lower energy and maintenance costs. The concept is based on ...
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