“State participation off the table,” Klaus Keysberg, the group's financial director, told the German daily Rheinische Post on Friday.
Keysberg blamed “high costs” in the long term of government assistance, “due to the interest payments and the terms of repayment.”
Already weakened by years of cut-price competition from China in the steel industry, Thyssenkrupp has further struggled with the effects of the pandemic that caused business activity to plunge.
The company said in mid-November it would cut an additional 5,000 jobs as part of its restructuring plan, bringing the total to nearly 11,000, to be spread out over several years.
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Thyssenkrupp chief executive Martina Merz has not ruled out state assistance.
The powerful IG Metall union had organised rallies in October to demand a rescue plan from Berlin.
But the government was never enthusiastic, despite their acquisition of stakes in the airline Lufthansa and tour operator TUI, which also had business ravaged by Covid-19.
“I don't believe that nationalisation is the right response at the moment,” Germany's Economy Minister Peter Altmaier said in October on Thyssenkrupp.
But national and regional governments favour more traditional aid structures, such as subsidies, or moves to convert to production of so-called green steel.
Discussions will continue to find alternatives.
A takeover of Thyssenkrupp's steel activities is still on the cards. British steel giant Liberty, founded by industrialist Sanjeev Gupta, launched a takeover bid in October.
Discussions are also underway with Sweden's SSAB and India's Tata Steel.
An alliance with fellow German steelmaker Salzgitter to create a national steel champion is also being considered. But these options won't be decided until “spring 2021”, Thyssenkrupp said.