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,

longidudinally arc or laser welded by fusion accross the abutting edges

Manufacturing process

- Automatic arc welding 

- Laser welding

 

Delivery condition:

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,descled	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 annleaed	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

 

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 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 claasification of grades of steel

 

EN10021,  General techical delivery requirements for steel and iron products

 

EN10027-1, Destructive systems of stels - 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 fo 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 ard-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 detectiong 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 ultrasonice 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: Radiagraphic testing of the weld 

                       seam of atuomatic 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