World crude steel production for the 63 countries reporting to the International Iron and Steel Institute stood at an estimated 80.1 million metric tons (mmt) in December. Global production increased by 7.7 percent compared to December 2002 and by 6.7 percent year-to-date. Chinese production of crude steel stood at 20.2 mmt in December. This is 28.7 percent higher than for the same month in 2002. YTD production in China reached a record 220.1 mmt, and worldwide production reached a record 945.1 mmt in 2003.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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