Tube manufacture and delivery conditions
EN 10216-1 P265 Seamless steel tubes will be manufactured by a seamless process. The forming operations and delivery conditions are shown in Table 1.
Table 1 - Forming operations and delivery conditions
| Forming operation | Quality | Delivery condition |
| Hot formed | TR1 | As formed or normalized or normalizing-formed |
| TR2 | Normalized or normalizing-formed | |
| Hot formed + cold finished | TR1 and TR2 | Normalized |
Chemical composition of EN 10216-1 P265
Chemical composition (cast analysis) a in % by mass for quality TR2
| Steel grade | Steel number |
C max. |
Si max. |
Mn max. |
P max. |
S max. |
Cr max. |
Mo max |
Ni max. |
| P265TR2 | 1.0259 | 0,20 | 0,40 | 1,40 | 0,025 | 0,015 | 0,30 | 0,08 | 0,30 |
| Al tot min. | Cu max | Nb max. | Ti max. | V max. | Cr+Cu+Mo+Ni max. |
| 0,02 | 0,30 | 0,010 | 0,04 | 0,02 | 0,70 |
Chemical composition (cast analysis) a in % by mass for quality TR1
| Steel grade | Steel number |
C max. |
Si max. |
Mn max. |
P max. |
S max. |
Cr max. |
Mo max |
Ni max. |
Al tot min. |
| P265TR1 | 1.0258 | 0,20 | 0,40 | 1,40 | 0,025 | 0,020 | 0,30 | 0,08 | 0,30 | - |
| Al tot min. | Cu max | Nb max. | Ti max. | V max. | Cr+Cu+Mo+Ni max. |
| - | 0,30 | 0,010 | 0,04 | 0,02 | 0,70 |
Mechanical properties of EN 10216-1 P265
Mechanical properties for quality TR2
| Steel grade | Tensile properties | Impact properties | ||||||||
| Steel name | Steel number |
Upper yield strength R eH b min. for Wall Thickness T mm |
Tensile Strength R m |
Elongation A min. % |
Minimum average absorbed energy KV 2 J at a temperature of °C |
|||||
| T ≤ 16 | 16 < T ≤ 40 | 40 < T ≤ 60 |
l | t | ||||||
| MPa * | MPa * | MPa * | MPa * | l | t | 0 | -10 | 0 | ||
| P265TR2 | 1.0259 | 265 | 255 | 245 | 410 to 570 | 21 | 19 | 40 | 28 d | 27 |
Note: l = longitudinal t = transverse
Mechanical properties for quality TR1
| Steel grade | Tensile properties | Impact properties | ||||||||
| Steel name | Steel number |
Upper yield strength R eH b min. for Wall Thickness T mm |
Tensile Strength R m |
Elongation A min. % b c |
Minimum average absorbed energy KV 2 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 | ||
| P265TR1 | 1.0258 | 265 | 255 | 245 | 410 to 570 | 21 | 19 | - | - | - |
Note: l = longitudinal t = transverse
.jpg)
