EN10216-2 P235GH Carbon Steel U Bend Tube For Condenser, Heat Exchanger
EN10216-2 P235GH Carbon Steel Seamless U Bend Tube For Heat Exchanger
The EN 10216-2 P235GH tube refers to a European standard for seamless steel tubes used in pressure purposes. Specifically, it is designed for high-temperature applications, such as power generation, oil and gas refining, and chemical industries. The "P" stands for "Pressure" and "235" represents the minimum yield strength in megapascals (MPa). The "GH" indicates that it is suitable for elevated temperatures.
P235GH Chemical Composition
| C | ≤0.16 |
| Si | ≤0.35 |
| Mn | 0.60 to 1.20 |
| P | 0.025 |
| S | 0.015 |
| Al | ≤0.020 |
| N | ≤0.012 |
| Cr | ≤0.30 |
| Cu | ≤0.30 |
| Mo | ≤0.08 |
| Nb | ≤0.020 |
| Ni | ≤0.30 |
| Ti | 0.03 |
| Vi | ≤0.02 |
P235GH Mechanical Properties
| Grade | Tensile strength Rm | Yield strength YS | Enlongation A(％) |
| P235GH | 350 - 480 MPa at 20 °C | 185 - 235 MPa at 20 °C | >24 |
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 | |||||
P235GH material equivalent in Other International Standards:
The equivalent grade of this type in ASME/ASTM is A285 grade C
In DIN standard, the corresponding material is referred to as 1.0345 type steel.
In British BS standard, the corresponding material is referred to as 141-360 type steel.
In Japanese JIS standard, the corresponding material is referred to as SB410 type steel.
Application:
1️⃣ Power Generation: It is widely used in power plants for the construction of steam boilers, heat exchangers, and piping systems. The tube's high-temperature resistance and reliable performance make it suitable for generating steam and transferring heat efficiently.
2️⃣ Petrochemical Industry: The P235GH tube is employed in petrochemical plants for processes such as refining, distillation, and chemical reactions. Its ability to withstand high pressures and temperatures makes it a preferred choice for critical applications.
3️⃣ Refineries: Refineries utilize the P235GH tube in various equipment such as crude oil heaters, columns, and pressure vessels. Its excellent mechanical properties and resistance to corrosion help ensure the e and efficient processing of petroleum products.
4️⃣ Boiler Systems: The tube is commonly used in the construction of industrial boilers, including those used in power generation, chemical plants, and manufacturing industries. Its seamless construction and ability to handle high pressures make it suitable for boiler applications.
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