Products Description
Standard: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
EN 10216-2 Seamless steel tubes Quick Details
Manufacture:Seamless process
Wall thickness(WT): 2.1mm--20 mm.
Outer diameter (OD): 21 mm--509mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded
Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 7-15 days after payment
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
The steel name of non-alloy steel grades
(1)The capital letter P for pressure purposes;
(2)The symbols GH for elevated temperature.
Manufacturing Process
(1)Steel making process
Steels shall be fully killed.
(2)Tube manufacture and delivery conditions
The tubes shall be manufactured by a seamless process.
The tubes can be either hot or cold finished.
Products Specification
EN 10216-2 Chemical Composition:
| Steel grade | C | Si | Mn | P | S | Cr | Mo | Ni | Altot | Cu | Ti max | |
| Steel name | Steel number | max | max | |||||||||
| P195GH | 1.0348 | =0.13 | =0.35 | =0.70 | 0.025 | 0.020 | =0.30 | =0.08 | =0.30 | =0.020 | =0.30 | 0.040 |
| P235GH | 1.0345 | =0.16 | =0.35 | =1.20 | 0.025 | 0.020 | =0.30 | =0.08 | =0.30 | =0.020 | =0.30 | 0.040 |
| P265GH | 1.0425 | =0.20 | =0.40 | =1.40 | 0.025 | 0.020 | =0.30 | =0.08 | =0.30 | =0.020 | =0.30 | 0.040 |
| 16Mo3 | 1.5415 | 0.12-0.20 | 0.40-0.90 | 0.40-0.90 | 0.025 | 0.020 | =0.30 | 0.25-0.35 | =0.30 | =0.040 | =0.30 | |
| 14MoV6-3 | 1.7715 | 0.10-0.15 | 0.15-0.35 | 0.40-0.70 | 0.025 | 0.020 | 0.30-0.60 | 0.40-0.50 | =0.30 | =0.040 | =0.30 | |
| 13CrMo4-5 | 1.7335 | 0.10-0.17 | =0.15 | 0.40-0.70 | 0.025 | 0.020 | 0.70-1.15 | 0.40-0.60 | =0.30 | =0.040 | =0.30 | |
| 10CrMo9-10 | 1.7380 | 0.08-0.14 | 0.08-0.14 | 0.30-0.70 | 0.025 | 0.020 | 2.00-2.50 | 0.90-1.10 | =0.30 | =0.040 | =0.30 | |
| 25CrMo4 | 1.7218 | 0.22-0.29 | 0.22-0.29 | 0.60-0.90 | 0.025 | 0.020 | 0.90-1.20 | 0.15-0.30 | =0.30 | =0.040 | =0.30 | |
| 15NiCuMoNb5-6-4 | 1.6368 | =0.17 | =0.17 | 0.80-1.20 | 0.025 | 0.020 | =0.30 | 0.25-0.50 | 1.00-1.30 | =0.050 | 0.50-0.80 | |
| X10CrMoVNb9-1 | 1.4903 | 0.08-0.12 | 0.08-0.12 | 0.30-0.60 | 0.025 | 0.020 | 8.00-9.50 | 0.85-1.05 | =0.40 | =0.040 | =0.30 | |
| a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elemnents 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 steel making process | ||||||||||||
| 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 | 160<T≤40 | 40<T≤60 | 60<T≤100 | 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 | 1.7380 | 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 | |||
| a I = longitudinal t = transverse | |||||||||||||
| 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 Option 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 |
| a +N = Normalising, +NT = Normalising + Tempering, +QT = Quenching + Tempering (air or liquid), +I = Isothermal Annealing. | ||||||
| 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. | ||||||
Dimensions tolerances of EN 10216-2
Tolerances on outside diameter and wall thicknes
| Outside Diameter D mm | Tolerances on D |
Tolerances on T for a T/D ratio | |||
| ≤ 0,025 | > 0,025 ≤ 0,050 |
> 0,050 ≤ 0,10 |
> 0,10 | ||
| D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
± 12,5% or ± 0.4mm whichever is the greater | |||
| D > 219,1 | ± 20% | ± 15% | ± 12,5% | ± 10% a | |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | |||||
Tolerances on inside diameter and wall thickness
| Tolerances on inside diameter | Tolerances on T for a T/d ratio | |||||
| d | d min | ≤ 0,03 | > 0,03 ≤ 0,06 |
> 0,06 ≤ 0,12 |
> 0,12 | |
| ± 1% or ± 2 mm whichever is the greater | (+ 2% ,0)or (+ 4 mm,0) | whichever is the greater | ± 20% | ± 15% | ± 12,5% | ± 10% a |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | ||||||
Tolerances on outside diameter and minimum wall thickness
| Outside diameter D mm | Tolerances on D | Tolerances on T min for a T min /D ratio | |||
| ≤ 0,02 | > 0,02 ≤ 0,04 |
> 0,04 ≤ 0,09 |
> 0,09 | ||
| D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
(+ 28%,0) or (+ 0.8 mm,0) whichever is the greater | |||
| D > 219,1 | + 50% 0 |
+ 35% 0 |
+ 28% 0 |
+ 22% a 0 |
|
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | |||||
Tolerances on inside diameter and minimum wall thickness
| Tolerances on inside diameter |
Tolerances on T min for a T min /d ratio |
|||
| d | d min | ≤ 0,05 | > 0,05 ≤ 0,1 |
> 0,1 |
| ± 1% or ± 2 mm whichever is the greater |
(+2%,0) or (+ 4 mm,0) whichever is the greater | + 35% 0 |
+ 28% 0 |
+ 22% a 0 |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | ||||
Tolerances on exact lengths
Dimension in mm
| Length L | Tolerance on exact length |
| L ≤ 6000 | +10 0 |
| 6000 < L ≤ 12 000 | +15 0 |
| L > 12 000 | + by agreement 0 |
Preferred dimensions
dimensions in mm
Table 6 (Continued)
dimensions in mm
Testings
(1)Chemical analysis
(2)Tensile test(Tensile test at room temperature, Tensile test at elevated temperature)
(3)Flattening test
(4)Ring tensile test
(5)Drift expanding test
(6)Ring expanding test
(7)Impact test
(8)Leak tightness test(Hydrostatic test, Electromagnetic test)
(9)Dimensional inspection
(10) Visual examination
(11) Non-destructive testing
Marking
Marking to be applied
The marking shall be indelibly marked on each tube at least at one end. For tubes with outside diameter D ≤ 51 mm the marking on tubes may be replaced by the marking on a label attached to the bundle or box.
Protection
The tubes will be delivered with A temporary protective coating or durable coating and/or lining
EN10216-2 seamless pipe in stock
Ordering Information
Mandatory information
a) the quantity (mass or total length or number);
b) the term "tube";
c) the dimensions ;
d) the designation of the steel grade in accordance with this Part of EN 10216 ;
e) the test category for non-alloy steel .
Options
1) Cold finishing.
2) Restriction on copper and tin content.
3) Product analysis.
4) Impact testing .
5) Longitudinal impact testing at -10° C for non-alloy steel grades.
6) Tensile testing at elevated temperature .
7) Selection of leak-tightness test method .
8) Non-Destructive Testing for test category 2 tubes for detection of transverse imperfections.
9) Non-Destructive Testing for test category 2 tubes for detection of laminar imperfections .
10) Special ends preparation.
11) Set of dimensions other than D and T.
12) Exact lengths ).
13) The type of inspection document other than the standard document.
14) Test pressure for hydrostatic leak-tightness test .
15) Wall thickness measurement away from the ends .
16) Non-Destructive Testing method.
17) Additional marking .
18) Protection .
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