In the naming of EN 10216-2 P235GH seamless carbon steel pipe, "P" stands for pressure vessel, the number "235" stands for the minimum yield strength of 235MPa, and "GH" stands for hot working conditions. This material is increasingly valued by the industry for its excellent mechanical properties and high temperature resistance.
For EN 10216-2 P235GH steel pipe materials, the conventional heat treatment methods are normalizing and quenching, and annealing can also be performed.
In the chemical production process, EN 10216-2 P235GH carbon steel pipes are often used to manufacture equipment such as storage tanks, reactors, heat exchangers, and pipelines. These equipment need to withstand extremely high pressures and temperatures when working, so the material is required to have very excellent performance.
Products Data
EN10216-2 P235GH Seamless steel tubes shall be supplied in the relevant heat treatment conditions as specified in Table 1.
| Steel grade | Heat treatment a |
Austenizing | Tempering | |||
| Steel name |
Steel number |
Temperature °C | Cooling Medium |
Temperature °C | Cooling medium |
|
| P235GH | 1.0345 | +N b | 880 to 940 | Air | - | - |
| a +N = Normalising, +NT = Normalising + Tempering, +QT = Quenching + Tempering (air or liquid), +I = Isothermal Annealing. b Normalising includes Normalising Forming. |
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Chemical composition of EN 10216-2 P235GH pipe
| Steel grade | Steel number |
C | Si | Mn | P max |
S max |
Cr | Mo | Ni |
| P235GH | 1.0345 | ≤ 0,16 | ≤ 0,35 | ≤ 1,20 | 0,025 | 0,020 | ≤ 0,30 | ≤ 0,08 | ≤ 0,30 |
| Al tot | Cu | Nb | Ti max | V | Cr+Cu+Mo+Ni | Others |
| ≥ 0,020 | ≤ 0,30 | ≤ 0,010 | 0,040 | ≤ 0,02 | ≤ 0,70 | - |
EN 10216-2 P235GH seamless pipes
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