China's top steel maker China Baowu Steel Groups move is in line with Beijing's goal push to relocate heavy industries from polluted and crowded regions to places with less environmental pressure.
It is not the first time Chinalco, China's biggest state-owned aluminium producer, has run afoul of the country's ever stricter environmental regulations.
Thyssenkrupp's joint venture with Tata Steel - to be named Thyssenkrupp Tata Steel - will have around 48,000 workers and about 17 billion euros in sales.
Teneris will lay off 40 workers at its TenarisAlgomaTubes plant in Ontario and adjust output there because of the U.S. tariffs on steel and aluminum imports.
Thyssenkrupp's supervisory board on Friday gave the green light for a steel joint venture with Tata Steel, paving the way for the European steel sector's biggest shake-up in more than a decade.
Canada struck back at the Trump administration on Friday over U.S. steel and aluminum tariffs, vowing to impose punitive measures on C$16.6 billion ($12.63 billion) worth of American goods until Washington relents.
