Boiler Tube EN10216-2 P265GH Carbon Steel U Tube For Boiler
Boiler Tube EN10216-2 P265GH Carbon Steel U TUBE For Boiler
EN10216-2 P265GH U tube is a type of seamless carbon steel tube that conforms to the European standard EN10216-2. This tube is made from P265GH steel, which is a non-alloy quality steel used for high-temperature service applications. The "U" shape of the tube allows for easy installation and connection in various piping systems. This type of tube is commonly used in power plants, boilers, and other industrial applications where high temperatures and pressure are present.
Chemical composition of EN 10216-2 P265GH
| Steel grade | Steel number |
C | Si | Mn | P max | S max | Cr | Mo | Ni |
| P265GH | 1.0425 | ≤ 0,20 | ≤ 0,40 | ≤ 1,40 | 0,025 | 0,020 | ≤ 0,30 | ≤ 0,08 | ≤ 0,30 |
| Al tot | Cu | Nb | Timax | V | Cr+Cu+Mo+Ni | Others |
| ≥ 0,020 b | ≤ 0,30 c | ≤ 0,010 d | 0,040 | ≤ 0,02 | ≤ 0,70 | - |
Mechanical properties of EN 10216-2 P265GH
| Steel grade | Upper yield strength or proof strength R eH or Rp 0,2 for Wall Thickness T min. |
Tensile Strength Rm |
Elongation A min. % a |
|||||
| Steel name | Steel number |
T ≤ 16 | 16 < T ≤ 40 | 40 < T ≤ 60 | 60 < T ≤ 100 | l | t | |
| MPa * | MPa * | MPa * | MPa * | MPa * | ||||
| P265GH | 1.0425 | 265 | 255 | 245 | - | 410 to 570 | 23 | 21 |
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 | ||||
Applications of EN10216-2 P265GH U tubes include:
1. Power generation
2. Petrochemical industry
3. Oil and gas industry
4. Chemical industry
5. Automotive industry
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