Seamless tubes for pressure purposes
EN 10216-1 Non-alloy tubes with specified room temperature properties
Seamless steel tubes for pressure vessels used at ambient temperature can be applied in the construction of almost any pipeline for the building, chemical, food and mining industry. This material can be either produced as hot rolled or cold drawn. It is required for every tube to undergo the tightness test.
Commonly used grades: P235TR1, P235TR2, P265TR1 and other (see table below).
Range of the produced diameters: from 17,1mm up to 762mm
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EN 10216-1 Seamless steel tubes for pressure purposes. Technical delivery conditions. Part 1: Non-alloy tubes with specified room temperature properties |
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grades: |
P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2. |
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delivery conditions: |
TR1 – steel for tubes used for media flow-general application TR2 – steel for tubes used for pressure vessels and pipelines |
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diameter range: |
17,1 mm – 762 mm |
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wall thickness: |
2,3 mm – 102 mm (depending on the diameter) |
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test certificates: |
3.1 acc. up to EN 10204, 3.2 do be confirmed |
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EN 10216-2 Alloy and non-alloy tubes with specified room temperature properties
Seamless steel boiler tubes are often used in environments with long-term high temperature and pressure. The pressure combined with high temperature causes slow, but constant microstructural changes in the steel which leads to the decrease of the material properties. This phenomenon is called creep of steel.
Boiler tubes are used in steam pipelines, boilers, steam heaters etc. This material is very resistant.
Commonly used grades: P195GH, P235GH TC1, P235GH TC2, P265GH, 16Mo3 and other (see table below)
Range of the produced diameters: from 17,1mm up to 762mm.
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EN10216-2 Seamless steel tubes for pressure purposes. Technical delivery conditions. Part 2: Alloy and non-alloy tubes with specified elevated temperature properties. |
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grades: |
P195GH, P235GH, P265GH, 16Mo3, 13CrMo4-5, 10CrMo9-10, X11CrMo5, X10CrMoVNb9-1, X20CrMoV11-1. |
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delivery condition: |
+N normalized +NT normalized + stress relieved +QT tempered +I isothermal annealed |
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classes of tests: |
TC1 – without ultrasound testing TC2 – with ultrasound testing |
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diameter range: |
17,1 mm – 762 mm |
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wall thickness: |
2,3 mm – 100 mm (depending on the diameter) |
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test certificates: |
3.1 acc. to EN 10204, 3.2 do be confirmed |
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EN 10216-3 Fine grain tubes
EN 10216-3 Steel tubes for pressure purposes are often used in environments which require suitable impact resistance at different temperatures under elevated pressure. The energy industry and its related branches are the main recipients of this material.
Commonly used grades: P275NH/NL1/NL2, P355N, P355NH/NL1/NL2, P460N, P690Q.
Range of the produced diameters: from 17,1mm up to 762mm.
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EN10216-3 Seamless steel tubes for pressure purposes. Technical delivery conditions. Part 3: Alloy fine grain tubes. |
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grades: |
P355N, P460N, P620Q, P690Q. |
Basic |
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P275NH, P355NH, P460NH, P620QH, P690QH. |
For high temperature |
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P275NL1, P355NL1, P460NL1, P620NL1, P690QL1. |
For low temperature |
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P275NL2, P355NL2, P460NL2, P690QL2. |
For extremely low temperature |
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diameter range: |
17,1 mm – 762 mm |
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wall thickness: |
2,3 mm – 100 mm (depending on the diameter) |
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EN 10216-4 Alloy and non-alloy tubes with specified low temperature properties
EN 10216-4 Steel tubes used in vessels and appliances working in environments with low temperature and elevated pressure. Tubes often undergo hardening and stress relieving.
Commonly used grades: P215NL, P255QL, P265NL
Range of the produced diameters: from 17,1mm up to 762mm.
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EN10216-4 Seamless steel tubes for pressure purposes. Technical delivery conditions. Part 4: Alloy and non-alloy tubes with specified low temperature properties |
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grades: |
P215NL, P255QL, P265NL, 26CrMo4-2, 12Ni14+QT |
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class of tests: |
TC1 – without ultrasound testing TC2 – with ultrasound testing |
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diameter range: |
17,1 mm – 762 mm |
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wall thickness: |
2,3 mm – 100 mm (depending on the diameter) |
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test certificates: |
3.1 acc. to EN 10204, 3.2 to be confirmed |
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