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 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 Composition:

EN10217-1 Part 1: Non-alloy steel tubes with specified room temperature properties

EN10217-2 Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated
temperature properties

EN10217-3 Part 3: Alloy fine grain steel tubes

EN10217-5 Part 4: Electric welded non-alloy steel tubes with specified low temperature
properties

EN10217-5 Part 5: Submerged arc welded non-alloy steel tubes with specified low
temperature properties

EN10217-6 Part 6: Submerged arc welded non-alloy steel tubes with specified low
temperature properties

EN10217-7 Part 7: Stainless steel tubes.


Normative References:
EN 760, Welding consumables - Fluxes for submerged arc welding - Classification

EN 895, Destructive tests on welds in metallic materials - Transverse tensile test

EN 910, Destructive tests on weld in metallic materials - Bend test

EN1321, Destructive tests on welds in metallic materials - Macroscopic and microscopic examination
of welds

EN10002-1, Metallic materials - Tensile testing - Part 1: Method of test at ambient temperature

EN10002-5, Metallic materials - Tensile testing - Part 5: Method of tesing at elevated temperature

EN10020, Definitions and classification of grades of steel

EN10021, General techical delivery requirements for steel and iron products

EN10027-1, Destructive systems of steels - Part 1: Steel names, principle symbols.

EN10027-2, Designation systems for steels - Part 2: Numerical systems.

EN10045-1, Metallic materials - Charpy impact test - Part 1: Test method

EN10052, Vocabulary of heat treatment terms of ferrous products

EN10204, Metallic products - Types of inspection documents

EN10200, Seamless and welded steel tubes - Dimensions and masses per unit length

EN10233, Metallic materials - Tubes - Flattening test

EN10234, Metallic materials - Tubes - Drift expanding test

EN10236, Metallic materials - Tubes - Rings expanding test

EN10237, Metallic materials - Tubes - Ring tensile test

EN10246-1, Non-Destructive Testing of steel tubes Part 1: Automatic electromagnetic testing of
seamless and welded ( except submerged arc welded) ferromagnetic steel tubes for
verification of hydraulic leaktightness

EN10246-3, Non-Destructive Tesing of steel tubes - Part 3: Automatic eddy current testing of seamless
and welded ( except submerged arc-welded) steel tubes for detection of imperfections.

EN10246-5, Non-Destructive Testing of steel tubes - Part 5: Automatic full peripheral magnetic
transducer/flux leakage testing of seamless and welded (except submerged arc-welded)
ferromagnetic steel tubes for the detection of longitudinal imperfections

EN10246-6, Non-Destructive Tesing of steel tubes - Part 6: Automatic full peripheral ultrasonic testing of
seamless steel tubes for the detection of transverse imperfections.

EN10247-7, Non-Destructive Testing of steel tubes - Part 7: Automatic full peripheral ultrasonic testing of
seamless and welded ( except submerged arc welded) steel tubes for the detection of
longitudinal imperfections.

EN10246-8, Non-Destructive Testing of steel tubes - Part 8: Automatic ultrasonic testing of the weld
seam of electric welded tubes for the detection of longitudinal imperfections.

EN10246-9, Non-Destructive Testing of steel tubes - Part 9: Automatic ultrasonic testing of the weld
seam of submerged arc-welded tubes for the detection of longitudinal and/or
transverse imperfections.

EN10246-10, Non-Destructive Testing of steel tubes - Part 10: Radiographic testing of the weld
seam of automatic fusion arc-welded tubes for the detection of imperfections.

EN10246-14, Non-Destructive Testing of steel tubes - Part 14: Automatic ultrasonic testing of the
seamless and welded (except submerged arc welded) steel tubes for detection of laminar
imperfections

EN10246-15, Non-Destructive Testing of steel tubes - Part 15: Automatic ultrasonic testing of strip/plate
used in the manufacture of steel tubes for detection of laminar imperfections

EN10246-16, Non-Destructive Testing of steel tubes - Part 16: Automatic ultrasonic testing of the area
adjacent to the weld seam of welded steel tubes for the detection of laminar imperfections

EN10246-17, Non-Destructive Testing of steel tubes - Part 17: Automatic ultrasonic testing of tube ends
of seamless and welded steel tubes for the detection of laminar imperfections

EN10256, Non-Destructive Testing of steel tubes - Qualification and competence of level 1 and level 2
NDT personnel