Barras huecas de acero para mecanizar. Tipos de acero y medidas.
HOLLOW STEEL BARS FOR MACHINING. STEEL GRADES AND DIMENSIONS
Buy on AENOR
77.140.75 / Steel pipes and tubes for specific use
CTN 36 - Iron and steel
ISO 2938:1974 (Identical)
It is cancelled by: UNE-EN 10294-1:2005 (Ratificada)