Welded pipes / tubes

Steel for innovative industry

Details

I. Structural welded pipes

1. Structural welded pipes according to EN-10219-1,2 (steel tubes of non-alloy and fine grain steels).

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
21,3 - 1219	2 - 30	S235JRH, S275J0H, S355J0H, S355J2H, S275NH, S355NH, S275NLH, S355NLH, S420MH, S460MH, S420MLH, S460MLH

2. Structural welded pipes according to EN 10210-1,2 (Hot finished structural hollow sections of non-alloy and fine grain steel).

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
21,3 - 1219	2,3 - 30	S235JRH, S275J0H, S355J0H, S355J2H, S420NH, S460NH, S420NLH, S460NLH

II. WELDED PIPES - LINE

1. Line pipes according to EN 10224 (Line pipe Non-alloy steel tubes and fittings for the conveyance of water and other aqueous liquids)..

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
26,9 - 2743	2 - 25	L275, L275, L355

2. Line pipes for pressure purposes according to EN 10217-1 (Welded steel tubes for pressure purposes in room temperature – line pipes).

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
10,2- 2540	1,4-40	P235TR1, P265TR1,P235TR2, P265TR2

3. Welded tubes according to 10217-2 (Electric welded non-alloy and alloy steel tubes for pressure purposes with specified elevated temperature properties).

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
10,2 - 508	1,4 - 16	P355GH, P265GH, 16Mo3

4. Welded tubes according to 10217-3 (Welded steel tubes for pressure purposes. Alloy fine grain steel tubes).

Size range		Grade PN EN
OD (mm)	WT (mm)	Grade PN EN
10,2- 508¹ 406,4 - 2540²	1,4-17,5 do 40	P275, P355, P460

¹ Size range concerning electric welded tubes.
² Size range concerning longitudinal or spiral welded and longitudinally sub merge arc welded pipes.
Regarding bigger diameters pipes could be composed from more segments jointed together by circular seams.

5. Welded tubes according to 10217-4 (PN-EN 10217-4 Electric welded non-alloy steel tubes with specified low temperature properties)