Seamless steel tubes for engineering and general technical requirements

Seamless steel tubes for engineering and general technical requirements
EN 10297-1
Non-alloyed tubes
Scope of applicationCircular tubes for the use in engineering and general technical requirements manufacturing process
Manufacturing processSeamless S
Materialsacc. to EN 1.0580 E355 + AR or + N
Delivery length4 to 7 m or double lengths
Dimension rangeOD26,9 up to 660 mm
WTup to 100 mm
Exact lengthon request
Straightness> 33,7 mm 0,0015 L (L = tube length)
< 33,7 mm deviations of straightness are not specified
TolerancesOD<219,1 mm +/- 1 % or +/-0,5 mm whichever is greater D > 219,1 mm +/- 1 %
WT< 219,1 mm +/- 12,5 % or +/- 0,4 mm
whichever is greater
Relation between OD and WT
D > 219,1 mm ≤ 0,025 +/- 20 %
> 0,025 up to 0,050 +/- 15 %
> 0,050 +/- 12,5 %
Identification markingManufacturer's sign, EN-standard, steel quality
Certificationacc. to EN 10204 2.2, 3.1 or 3.2
Restamping certificateavailable
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