EN10217-7 Welded steel tubes for pressure purposes - Technical delivery conditions -
Part 7: Stainless Steel Tubes
Manufacture:
The tubes are manufactured from hot or cold rolled plates, sheet or strips in accordance with EN10028-1,
longitudinally arc or laser welded by fusion accross the abutting edges
Manufacturing process
- Automatic arc welding
- Laser welding
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Delivery condition:
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Symbol
|
Types of delivery condition
|
Suface Condition
|
|
W0b
|
Welded from hot or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B
|
As welded
|
|
W1b
|
Welded from hot rolled plate, sheet or strip 1D, descaled
|
Metallically clean
|
|
W1A b
|
Welded from hot rolled plate, sheet or strip 1D, descaled
|
Metallically clean
|
|
W1R b
|
Welded from hot rolled plate, sheet or strip 1D, bright annealed
|
Metallically bright
|
|
W2 b
|
Welded from cold rolled plate, sheet or strip 2D, 2E, 2B descaled
|
Metallically clean
|
|
W2A b
|
Welded from cold rolled plate, sheet or strip 2D, 2E, 2B, heat treated,descaled
|
Except for the wel, essentially smoother than for types W1 and W1A
|
|
W2R b
|
Welded from cold rolled plate, sheet or strip 2D, 2E, 2B, bright annealed
|
Metallically bright
|
|
WCA
|
Welded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20% cold formed, heat treated, with re-crystallized weld metal, descaled
|
Metallically clean, welded scarcely recognizable
|
|
WCR
|
Welded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20% cold formed, bright annealed, with re-crystallized weld metal
|
Metallically bright, welded scarcely recognizable
|
|
WG
|
Ground c
|
Metallically bright-ground, the type and degree of grinding shall be agreed at the time of enquiry and order
|
|
WP
|
Polish c
|
Metallically bright-polish, the type and degree of polishing shall be agreed at the time of enquiry and order
|
Normative References:
EN 473, Destructive tests - Qualification and certification of NDT personnel - General principles
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
longitudinla 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 ultrasonice 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
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