prEN 14587-2-2021
铁路应用 基础设施 钢轨的闪光对焊 第2部分：在固定工厂以外的地点使用移动焊机的新 R200、R220、R260、R260Mn、R320Cr、R350HT、R350LHT、R370CrHT 和 R400HT 级钢轨
Railway applications - Infrastructure - Flash butt welding of rails - Part 2: New R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant