401741 401742 – Following DIN EN 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 [...] 401781 401782 401786 Following DIN EN 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