EN 10216 is a European standard suitable for seamless steel tubes for pressure purposes.
Standard reference
- 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
Non-alloy and steel tubes with specified elevated temperature properties.(include amendment A1:2004).
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.
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.
EN 10216-2 Chemical composition (%)
| Steel grade | chemical composition(%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel name | Steel number | C | Si | Mn | p max | S max | Cr | Mo | Ni | Altot | Cu | Ti max |
| P195GH | 1.0348 | 0.13 | 0.35 | 0.7 | 0.025 | 0.02 | 0.3 | 0.08 | 0.3 | 0.02 | 0.3 | 0.04 |
| P235GH | 1.0345 | 0.16 | 0.35 | 1.2 | 0.025 | 0.02 | 0.3 | 0.08 | 0.3 | 0.02 | 0.3 | 0.04 |
| P265GH | 1.0425 | 0.2 | 0.4 | 1.4 | 0.025 | 0.02 | 0.3 | 0.08 | 0.3 | 0.02 | 0.3 | 0.04 |
| 16Mo3 | 1.5415 | 0.12-0.20 | 0.40-0.90 | 0.40-0.90 | 0.025 | 0.02 | 0.3 | 0.25-0.35 | 0.3 | 0.04 | 0.3 | |
| 14MoV6-3 | 1.7715 | 0.10-0.15 | 0.15-0.35 | 0.40-0.70 | 0.025 | 0.02 | 0.30-0.60 | 0.40-0.50 | 0.3 | 0.04 | 0.3 | |
| 13CrMo4-5 | 1.7335 | 0.10-0.17 | 0.15 | 0.40-0.70 | 0.025 | 0.02 | 0.70-1.15 | 0.40-0.60 | 0.3 | 0.04 | 0.3 | |
| 10CrMo9-10 | 1.738 | 0.08-0.14 | 0.08-0.14 | 0.30-0.70 | 0.025 | 0.02 | 2.00-2.50 | 0.90-1.10 | 0.3 | 0.04 | 0.3 | |
| 25CrMo4 | 1.7218 | 0.22-0.29 | 0.22-0.29 | 0.60-0.90 | 0.025 | 0.02 | 0.90-1.20 | 0.15-0.30 | 0.3 | 0.04 | 0.3 | |
| 15NiCuMoNb5-6-4 | 1.6368 | 0.17 | 0.17 | 0.80-1.20 | 0.025 | 0.02 | 0.3 | 0.25-0.50 | 1.00-1.30 | 0.05 | 0.50-0.80 | |
| X10CrMoVNb9-1 | 1.4903 | 0.08-0.12 | 0.08-0.12 | 0.30-0.60 | 0.025 | 0.02 | 8.00-9.50 | 0.85-1.05 | 0.4 | 0.04 | 0.3 | |
b This requirement is not applicable provided the steel contains a sufficient amount of other nitrogen binding elements which shall be reported. When using titanium, the producer shall verify that (Al+Ti/2)=0,020%
c Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply
d The content of these elements need not to be reported unless intentionally added to the cast
e For wall thickness=30 mm the carbon content may be increased by 0.02% for cast and product analysis
f The upper carbon value of 0,23 % shall not be exceeded for product analysis
EN 10216-2 Mechanical Property
| Steel grade | Tensile properties at room temperature | Impact properties a b | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel name | Steel Number | Upper yield strength or proof strength ReH or Rp0.2 for Wall Thickness T Min. | Tensile Strength Rm | Elongation A min. % a | Minimum average absorbed energy KV J at a temperature of ? | ||||||||
| T=16 | 16| 40 | 60 | l | t | l | t |
| | |||||
| MPa | MPa | MPa | MPa | MPa | 20 | 0 | -10 | 20 | 0 | ||||
| P195GH | 1.0348 | 195 | 320-440 | 27 | 25 | 40 c | 28 d | 27c | |||||
| P235GH | 1.0345 | 235 | 225 | 215 | 360-500 | 25 | 23 | 40 c | 28 d | 27c | |||
| P265GH | 1.0425 | 265 | 255 | 245 | 410-570 | 23 | 21 | 40 c | 2s d | 27C | |||
| 16Mo3 | 1.5415 | 280 | 270 | 260 | 450-600 | 22 | 20 | 40 c | 27 c | ||||
| 14MoV6-3 | 1.7715 | 320 | 320 | 310 | 460-610 | 20 | 18 | 40 c f | 27 c | ||||
| 13CrMo4-5 | 1.7335 | 290 | 290 | 280 | 440-590 | 22 | 20 | 40 c | 27 c | ||||
| 10CrMo9-10 | 1.738 | 280 | 280 | 270 | 480-630 | 22 | 20 | 40 c | 27 c | ||||
| 25CrMo4 | 1.7218 | 345 | 345 | 345 | 540-690 | 18 | 15 | 40 c f | 27 c | ||||
| 15NiCuMoNb5-6-4 | 1.6368 | 440 | 440 | 440 | 440e | 610-780 | 19 | 17 | 40 c f | 27 c | |||
| X10CrMoVNb9-1 | 1.4903 | 450 | 450 | 450 | 450 | 630-830 | 19 | 17 | 40 c f | 27 c | |||
b To be verified when options 4 and/or 5 are/is specified, unless footnote f) applies
c Option 4: Impact energy shall be verified.
d Opfion 5: Longitudinal impact energy shall be verified.
e For wall thickness 60 mm< T =80mm
f Impact test mandatory for wall thickness T =16mm
EN 10216-2 boiler tube Heat Treatment
| Steel grade | Heat treatment a | Austenizing | Tempering | |||
|---|---|---|---|---|---|---|
| Steel name | Steel number | Temperature °C | Cooling Medium | Temperature °C | Cooling medium | |
| P195GH | 1.0348 | +N b | 880 to 940 | Air | - | - |
| P235GH | 1.0345 | +N b | 880 to 940 | Air | - | - |
| P265GH | 1.0425 | +N b | 880 to 940 | Air | - | - |
| 16Mo3 | 1.5415 | +N b | 890 to 950 | Air | - | - |
| 14MoV6-3 | 1.7715 | +NT b c | 930 to 990 | Air | 680 to730 | air |
| 13CrMo4-5 | 1.7335 | +NT b c | 900 to 960 | Air | 660 to 730 | air |
| 10CrMo9-10 | 1.738 | +NT b c | 900 to 960 | Air | 680 to 750 | air |
| 25CrMo4 | 1.7218 | +QT | 860 to 900 | Air or Liquid | 620 to 680 | air |
| 15NiCuMoNb5-6-4 | 1.6368 | +NT c | 880 to 980 | Air | 580 to 680 | air |
| X10CrMoVNb9-1 | 1.4903 | +NT c | 1040 to 1090 | air | 730 to 780 | air |
b Normalising includes Normalising Forming.
c For these steel grades it may be necessary in the case of wall thickness T above 25 mm or T/D >0,15 to apply quenching and tempering in order to achieve the intended structure and material properties. The decision shall be left to the discretion of the manufacturer but shall be stated to the customer at the time of enquiry and order. Steel tubes treated in such a way shall be designated by the steel name supplemented by the symbol +QT.
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 conditions in two categories for seamless tubes of circular cross-section, 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.
Description of DIN EN 10217 (7 parts)
DIN EN 10217-1
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloy steel tubes with specified room temperature properties
This Part of EN 10217 specifies the technical delivery conditions for two qualities TR1 and TR2 of welded tubes of circular cross section, made of non-alloy quality steel and with specified room tempe…
DIN EN 10217-2
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties
Specifies the technical delivery conditions in two test categories of electric welded tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel…
DIN EN 10217-3
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 3: Alloy fine grain steel tubes
Specifies the technical delivery conditions for welded tubes of circular cross section, made of weldable non-alloy fine grain steel…
DIN EN 10217-4
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 4: Electric welded non-alloy steel tubes with specified low temperature properties
Specifies the technical delivery conditions in two test categories of electric welded tubes of circular cross section, with specified low temperature properties, made of non-alloy steel…
DIN EN 10217-5
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties
Specifies the technical delivery conditions in two test categories of submerged arc welded tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy……
DIN EN 10217-6
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 6: Submerged arc welded non-alloy steel tubes with specified low temperature properties
Specifies the technical delivery conditions in two test categories of submerged arc welded tubes of circular cross section, with specified low temperature properties, made of non-alloy steel…
DIN EN 10217-7
Welded steel tubes for pressure purposes – Technical delivery conditions – Part 7: Stainless steel tubes
Specifies the technical delivery conditions in two test categories for welded tubes of circular cross-section made of austenitic and austenitic-ferritic stainless steel which are applied for pressure…
