EN10217-2 Welded Steel Tubes P195GH P235GH P265GH 16Mo3 HFW SAWH SAWL
EN10217-2 Welded steel tubes for pressure purposes - Technical delivery conditions -Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties Material: Fully killed steel, Fine grain steel with a ferritic grain size. Steel Names:In accordance with EN10027-1 and CR10260 Manufacture:HFW High frequency welded SAW Submerged arc welded - longiditudinal seam - SAWH - helical seam - SAWL Welding Procedure: Testing and inspection of the welding procedure for submerged ard welded(SAW) tubes are witnessed and approved in accordance with EN10217-1 Apperance and General:The weld areas are free from cracks, lack of fusion and lack of penetrationThe tubes are free from external surface defects that can be detected by visual examination.
The Tubes shall pass a hydrostatic test or electromagnetic test for leak-tightness
The full length of the weld seam of all EW and BW tubes ahll be subjected to a Non-Destructive test for detection of longitudinal imferfections
The full length of the weld seaml of all SAW tubes shall be subjuected to a Non-Destructive test for the detection of imperfections.
The deviation from straightness, of any tube length L, shall not exceed 0.0015L.
Deviations from Straightness over any one meter length shall not exeed 3mm.
Preparation of ends:
Tubes shall be delivered with square cut ends. The ends shall be free from excessive burrs.