Marking
The pipes should be marked according to the provisions of the technical specifications DIN 17456 or DIN 17455 with :
● Manufacture mark
● Standard
● Surface quality mark ( see ***Section 14 )
● Dimension(ODxWTxLENGTH)
● Steel grade ( material number )
● Heat number
● Lot number
For Examples
GEMO-DIN11850-CD-52x1.5x6000mm-1.4301-HT145611-LOT Nr.141413
Ordering:
All tubes are delivered in lengths of 6 metres or 6.1 metres. Please state the following when ordering:
● Range Series
● DIN number of the technical specification ( welded pipes DIN17455 , seamless pipes DIN 17456 )
● Outside diameter and wall thickness
● Manufactured length
● Material
● Abbreviation for the surface quality (see ***Section 14 )
● Certificates
● Test category accordig to DIN EN 10217-7
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