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Report: Nippon Steel to bring lighter, stronger automotive steel sheet to market in 2020

The Nikkei reports that Nippon Steel & Sumitomo Metal has developed an automotive steel sheet that is 20-30% lighter and 25% stronger than the toughest high-tensile steel now on the market. According to the report, the company will start marketing the product around 2020.

Improving the heat treatment process and adding alloy elements improved both strength and ease of rolling. The material is resistant to cracks from the stamping process, according to the report.

Although the material is not as light as aluminum alloy or carbon fiber reinforced plastic, its price is only a third to half that of aluminum and about 1/20 that of CFRP.

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