Is there a national standard for high-speed rail rare earth aluminum alloy welding handle wire?
yes. On January 1, 221, the industry standard "Technical Specification for Rare Earth High-speed Rail Aluminum Alloy Power Cable Engineering" was implemented, which stipulated the national standard of rare earth aluminum alloy welding handle wire for high-speed rail. RareEarth is a general term for lanthanide series and 17 metallic elements of scandium and yttrium in the chemical periodic table.