10305-4, continuous marking certifying steel- grade eddy current test according to EN 10246, part 3, fixed length 6 meters, length tolerance from 0 to 10 mm, tube ends closed with plastic plugs, standard [...] 10305-4, continuous marking certifying steel- grade eddy current test according to EN 10246, part 3, fixed length 6 meters, length tolerance from 0 to 10 mm, tube ends closed with plastic plugs, standard