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Model No. : | EN10217-5 |
---|---|
Brand Name : | Torich |
Type : | Welded |
Ningbo, Zhejiang, China
Product 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 | - | - | - |
- |
China Welded Steel Pipe manufacturer, choose the high quality Spiral Welded Steel Pipe, High Frequency Welded Steel Pipe, Black Carbon Steel Welded Pipe, etc.
Ningbo, Zhejiang, China
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