* High-speed maglev train to run between Teheran, Mashad
* Schlegel seeks to build consortium
* Says deal worth up to 12 bln euros (Adds company comment)
MUNICH, May 27 - German engineering company Schlegel said on Wednesday it struck a deal for a project worth up to 12 billion euros ($16.73 billion) to bring a high-speed magnetic levitation train to Iran, but the two leading makers of such trains said they had no knowledge of the project.
Munich-based Schlegel Consulting Engineers said they had signed the contract with the Iranian ministry of transport and the governor of Mashad.
"We have been mandated to lead a German consortium in this project," a spokesman said. "We are in a preparatory phase."
The next step will be assemble a consortium, a process that is expected to take place "in the coming months," the spokesman said, adding the contract had been signed on Tuesday. The project could be worth between 10 billion and 12 billion euros, the Schlegel spokesman said.
Siemens and ThyssenKrupp, the developers of a high-speed maglev train called the Transrapid, both said they were unaware of the proposal. The Schlegel spokesman said Siemens and ThyssenKrupp were currently "not involved."
A representative of the Iranian transport ministry could not immediately be reached for comment.
NOT IN NEGOTIATIONS
A spokeswoman for Thyssenkrupp said: "We have not received a contract for the Transrapid from Iran and we are not currently in negotiations."
Germany, one of those western nations involved in a long-running dispute with Tehran over its nuclear programme, has urged German companies to limit trade with Iran. But Germany has also been one of the biggest exporters to Iran.
German companies receive the guarantees for exporting goods to markets considered risky, and the figures suggested companies are prepared to take the risk of doing business with Iran even without the safety net of export guarantees.
Tehran says its nuclear programme is aimed at generating electricity but its refusal to halt uranium enrichment has drawn three rounds of U.N. sanctions since 2006, as well as separate U.S.-led financial and other measures.