Non-alloy steel tubes with specified room temperature properties. This part of EN1026 specifies the technical delivery conditions in two test categories for seamless tubes for circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
This part of EN1026 specifies the technical delivery conditions in two test categories for seamless tubes for circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
Application
- For producing storage tanks of heat-resistant steels used in boiler-making, tool-making;
- For constructing pressure reservoirs and high pressure are simultaneously used to have summarized load and special conditions.
Grades:
- P195TR1
- P195TR2
- P235TR1
- P235TR2
- P265TR1
- P265TR2
Chemical composition:
| Steel grade | C | Si | Mn | P | S | Cr b | Mo b | Ni b | Al tot | Cu | Nb b | Cr+Cu +Mo+Ni | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel name | Steel number | max. | max. | max. | Max. | max. | max. | max. | max. | min. | max. | max. | max. b |
| P195TR1 | 1.0107 | 0,13 | 0,35 | 0,70 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | - | 0,30 | 0,010 | 0,70 |
| P195TR2 | 1.0108 | 0,13 | 0,35 | 0,70 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | 0,02 d | 0,30 | 0,010 | 0,70 |
| P235TR1 | 1.0254 | 0,16 | 0,35 | 1,20 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | - | 0,30 | 0,010 | 0,70 |
| P235TR2 | 1.0255 | 0,16 | 0,35 | 1,20 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | 0,02 d | 0,30 | 0,010 | 0,70 |
| P265TR1 | 1.0258 | 0,20 | 0,40 | 1,40 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | - | 0,30 | 0,010 | 0,70 |
| P265TR2 | 1.0259 | 0,20 | 0,40 | 1,40 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | 0,02 d | 0,30 | 0,010 | 0,70 |
a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable elements from scrap or other materials used in the steelmaking process.
b The content of these elements need not be reported unless intentionally added to the cast.
c Option 2: In order to facilitate subsequent forming operation, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.
d This requirement is not applicable provided the steel contains a sufficient amount of other nitrogen binding elements which shall be reported.
Mechanical property:
| Steel grade | Tensile properties | Impact properties | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Steel name | Steel number | Upper yield strength ReH b min. for Wall Thickness T mm | Tensile Strength Rm | Elongation A min. % b c | Minimum average absorbed energy KV J at a temperature of °C c | |||||
| T =16 | 16 < T =40 | 40 < T =60 | l | t | ||||||
| Mpa | Mpa | Mpa | Mpa | l | t | 0 | -10 | 0 | ||
| P195TR1 e | 1.0107 | 195 | 185 | 175 | 320 to 440 | 27 | 25 | - | - | - |
| P195TR2 | 1.0108 | 195 | 185 | 175 | 320 to 440 | 27 | 25 | 40 | 28 d | 27 |
| P235TR1 e | 1.0254 | 235 | 225 | 215 | 360 to 500 | 25 | 23 | - | - | - |
| P235TR2 | 1.0255 | 235 | 225 | 215 | 360 to 500 | 25 | 23 | 40 | 28 d | 27 |
| P265TR1 e | 1.0258 | 265 | 255 | 245 | 410 to 570 | 21 | 19 | - | - | - |
| P265TR2 | 1.0259 | 265 | 255 | 245 | 410 to 570 | 21 | 19 | 40 | 28 d | 27 |
a For wall thickness greater than 60mm the mechanical properties are subject to agreement.
b See 11.2.
c l = longitudinal t = transverse
d Option 4: Additionally, longitudinal impact strength shall be verified at - 10 °C
e Tubes made to these material grades are unlikely to support the essential requirements of Directive 97/23/EC unless other criteria are taken into account, see Annex I section 7.5 of this Directive
EN 10216 Seamless steel tubes for pressure purposes
- EN 10216-1 Non-alloy steel tubes with specified room temperature properties
- EN 10216-2 Non alloy and alloy steel tubes with specified elevated temperature properties
- EN 10216-3 Alloy fine grain steel tubes
- EN 10216-4 Non-alloy and alloy steel tubes with specified low temperature properties
- EN 10216-5 Stainless steel tubes
Inspection and Test For EN 10216-2 Steel Pipe
| Inspection and test type | Test frequency | Test category | ||
|---|---|---|---|---|
| Mandatory tests | Ladle analysis | One per ladle | 1 | 2 |
| Tensile testing in room temperature | One per every test pipe | X | X | |
| Flattening test for D<600mm and the ratio of D≤0.15 but T≤40mm or ring testing for D>150mm and T ≤40mm | X | X | ||
| Rolling test on a mandrel bar for D≤150mm and T≤10mm or ring testing for D≤114,3mm and T ≤12,5mm | X | X | ||
| Resilience testing at the temperature of 20 ºC | X | X | ||
| Tightness testing | Every pipe | X | X | |
| Dimensional testing | X | X | ||
| Visual inspection | X | X | ||
| NDT in order to identify longitudinal discontinuity | Every pipe | X | X | |
| Material identification for alloy steel | X | X | ||
| Optional tests | Final product analysis | One per ladle | X | X |
| Tensile testing at elevated temperature | One per ladle and for the same thermal processing conditions | X | X | |
| Resilience testing | One per every test pipe | X | X | |
| Resilience testing in the machine direction at the temperature of -10ºC for non-alloy steel grades | X | X | ||
| Wall thickness measurement at a distance from pipe ends | X | X | ||
| NDT in order to identify transverse discontinuity | Every pipe | X | X | |
| NDT in order to identify delamination | X | X | ||
Dimension for EN10216-2 Steel pipe
| EN 10216-2 Outside diameter and wall thickness tolerances | |||||
|---|---|---|---|---|---|
| Outside diameter D mm | Permissible deviations of outside diameter D | Permissible deviations of wall thickness depending on the T/D ratio | |||
| ≤0.025 | >0.025 ≤0.050 | >0.050 ≤0.10 | >0.10 | ||
| D≤219,1 | +\- 1% or =\- 0.5mm depending on which is greater | +\- 12,5% or 0.4 mm depending on which is greater | |||
| D>219,1 | =\- 20% | =\- 15% | =\- 12,5% | =\- 10% | |
For the outside diameter of D≥355,6 mm, local deviation outside of the upper deviation limit by further 5% of the wall thickness T is permitted
Material
- z.Bsp: P235GH TC1, P235GH TC2, 16Mo3
This part of EN1026 specifies the technical delivery conditions in two test categories for seamless tubes for circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
Delivery
- 5-7 m manufacturing lenght
EN10216 Standard specification
EN 10216-2 is a European standard suitable for seamless steel tubes for pressure purposes.
DIN EN 10216-1
Seamless steel tubes for pressure purposes – Technical delivery conditions -Part 1: Non-alloy steel tubes with specified room temperature properties
Specifies the technical delivery conditions for two qualities, T1 and T2, of seamless tubes of circular cross section, with specified room temperature properties, made of non-alloy quality steel…
DIN EN 10216-2
Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 2: Non alloy and alloy steel tubes with specified elevated temperature properties; German version EN 10216-2:2002+A2:2007
The document specifies the technical delivery conditions in two test categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
DIN EN 10216-3
Seamless steel tubes for pressure purposes -Technical delivery conditions – Part 3: Alloy fine grain steel tubes
Specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, made of weldable alloy fine grain steel
DIN EN 10216-4
Seamless steel tubes for pressure purposes – Technical delivery conditions -Part 4: Non-alloy and alloy steel tubes with specified low temperature properties
Specifies the technical delivery conditionsin two categories for seamless tubes of circular crossection, made with specified low temperature properties, made of non-alloy and alloy steel…
DIN EN 10216-5
Seamless steel tubes for pressure purposes – Technical delivery conditions-Part 5: Stainless steel tubes; German version EN 10216-5:2004, Corrigendum to DIN EN 10216-5:2004-11; German version EN 10216-5:2004/AC:2008
This Part of this European Standard specifies the technical delivery conditions in two test categories for seamless tubes of circular cross-section made of austenitic (including creep resisting steels) and austenitic-ferritic stainless steel which are applied for pressure and corrosion resisting purposes at room temperature, at low temperatures or at elevated temperatures. It is important that the purchaser, at the time of enquiry and order, takes in account the requirements of the relevant national legal regulations for the intended application.
Marking:
- Pipes are supplied with marking according to standard and customer request.
- Marking is paint on the ends of pipes.
- The same data, as well as additional information per customer’s request, is indicated on the bundle’s tags.
Delivery:
- Pipes are supplied in hexagonal bundles or round bundles tied with steel strip.
- Weight of bundle – up to 5000 kg upon request of customer.
- Each bundle is furnished with three tags.
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