EN 10216-1 P235tr1 Seamless Pipe
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P265NL EN 10216-4 alloy steel seamless tube consist carbon and also contains a small amount of hydrogen (H), manganese (Mn), nitrogen (N), oxygen (O), phosphorus (P), silicon (Si), and sulfur (S). These elements of en p265nl grade 10216-4 Alloy Steel Tubes are not intentionally added to improve the quality of steel, but are brought in by ore and smelting process, so they are called impurity elements. These impurities have a certain impact on the properties of EN 10216-4 Grade P265NL Alloy Steel Seamless Tubes. In order to guarantee the quality of steel, the chemical composition of all kinds of steel is strictly specified in technical standards.
1.0453 Steel Pipe can be heat treated at 1462°C to 1324°C. Its physical properties are mainly indicated by thermal conductivity, modulus of elasticity, electrical resistance value, specific thermal capacity, density, poison's ratio, coefficient of thermal expansion, etc.
TT St 35N Boiler Tube is used as the part of energy type equipment such as boilers, steam super heaters, steam pipelines and similar type of equipment. It can withstand load at high temperature and pressure.
EN 10216-4 Grade p265nl Non Alloy tubes are a fine grain steel for pressure purposes and are used in power engineering which is associated in the fields of industry. EN 10216-4 P265NL Seamless Alloy Steel Tubes is used as pipes in elevated pressure installations as well as in installation where it is important to ensure the appropriate resilience of steel in varying temperatures.
| Steel grades used | P215NL, P255QL, P265NL 26CrMo4-2, 11MnNi5-3, 13MnNi6-3, 12N und 14, X12Ni5, X10Ni9 |
| Pipe lengths | Pipes with precise lengths are manufactured with the following tolerance values: - for pipes 0-6m -0/+15% - for pipes 6-12m -0/+15% - for pipes longer than 12m -0/to be negotiated |
| Tightness | Pipes should be subject to water testing (7Mpa) or electromagnetic testing. |
| Straightness | < 0,0015 of pipe length (below 3mm per every meter of pipe length) |
EN 10216-1 P235tr1 Seamless Pipe
P235tr2 Alloy Steel Pipe
EN 10216-1 P235tr2 Alloy Steel Seamless Pipe
Low Alloy P235tr1 Seamless steel tubes
1.0453 Steel Pipe
TT St 35N Boiler Tube
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
| max 0.20 | max 0.40 | 0.60-1.40 | 0.03 | 0.01 | max 0.08 | max 0.30 | max 0.30 | max 0.30 | V max 0.020 Nb max 0.010 Ti max 0.040 Al min 0.020 |
| Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 410 | 570 | – | 24 | ||
| DIN | EN | BS | NFA | ASTM | ASME |
| – | EN 10216-4 Grade P265NL | – | – | – | – |
| emperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.31 | - | |||
| 497 | 284 | - | 43.3 | 333 | - | ||
| 114 | - | 12 | 14.2 | 433 | 322 |
| Execution | Size Range | OD Tolerance | Wall tolerance |
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall - 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm |
| Hot-rolled peeled tube | All sizesWall < 12 mmWall - 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) |
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 - 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
| Component length (mm) | OD 30-100 mm | OD 100-254 mm |
| 10-100 | + 1.0/- 0 | + 2.0/- 0 |
| 100-600 | + 2.0/- 0 | + 3.0/- 0 |
| 600-1200 | + 3.0/- 0 | + 4.0/- 0 |
| 1200-5000 | + 5.0/- 0 | + 6.0/- 0 |
En P265nl Grade 10216-4 manufacturer
