//EN10217-5 P235GH P265GH 16Mo3 Steel Submerged Arc Welded Pipe

EN10217-5 P235GH P265GH 16Mo3 Steel Submerged Arc Welded Pipe

Supply Ability
Supply Ability:
120000 Ton/Tons per Year
Packaging & Delivery
Packaging Details
Each piece in polybag and several pieces per bundle,or accoding to customer’s request
Port
QingDao/Guangzhou/Shenzhen

Description

EN10217-5 P235GH P265GH 16Mo3 Submerged Arc Welded Steel Tubes with Non-ally and Alloy Steel

 

EN10217-5 Welded steel tubes for pressure purposes – Technical delivery conditions –
Part 5:  Submerged arc 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 penetration
The tubes are free from external surface defects that can be detected by visual examination.

 

Leak-tigthtness:

The Tubes shall pass a hydrostatic test or electromagnetic test for leak-tightness

 

Non-Destructive Testing:

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.

 

Straightness: 

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.

 

Chemical compsotion:

Steel Grade C Si

max

Mn P

max

S

max

Cr

max

Mo Ni

max

Al Cu

max

 

Nb

max

 

Ti

max

 

V

max

 

Cr+Cu+

Mo+Ni

max

Steel name Steel number
P235GH 1.0345 ≤0.16 0.35 ≤1.20 0.025 0.020 0.30 ≤0.08 0.30 ≥0.020 0.30 0.010 0.03 0.02 0.70
P265GH 1.0425 ≤0.20 0.40 ≤1.40 0.025 0.020 0.30 ≤0.08 0.30 ≥0.020 0.30 0.010 0.03 0.02 0.70
16Mo3 1.5415 0.12

to

0.20

0.35 0.40to0.90 0.025 0.020 0.30 0.25

to

0.35

0.30 ≥0.040 0.30

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