EN10216-2 P235GH TC1 Heat Exchanger Tube
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EN10216-2 P235GH TC1 TC2 Heat Exchanger Tube refers to a seamless steel tube designed for pressure applications.As the European standard for seamless steel tube for pressure purposes, it covers the technical delivery conditions for steel tube used in boilers, heat exchangers and piping systems. P235GH tube has a minimum specified yield strength of 235 MPa at room temperature and is suitable for high temperature gas environments
What is en 10216-2 P235GH Tc1 material?
EN 10216-2 P235GH is an European specified steel for use in boilers, heat exchangers and pressure vessels. It is heat-resistant non-alloy quality steel for application in steam boiler and pressure vessel construction. The application maximum temperature is approx. 400 °C.
Is P235GH Tc1 equivalent to ASTM material?
The equivalent ASTM material is A285 Grade C. P235GH plate is a European-designated steel primarily used in heat exchangers, boilers, and pressure vessels.
EN10216-2 P235GH Seamless Boiler Tube specification
| Outside Diameter | 12.7mm ~ 127mm |
| Wall Thickness | 0.5mm ~ 12.7mm |
| Length | Up to 25m |
| Standard | ASTM A106, A179, A192, A210, A213,A269, A333, A335, DIN17175, EN10216-2, JIS3461, etc. |
| Grade | TP304,TP304L,TP316, TP316L,T5, T9, T11, T22, etc. |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless/Welded |
| Application | Heat-exchanger, Heater, Boiler, Condenser Equipment |
| Marking | LOGO, Standard, Grade, Size, Heat Number. |
| Package | Woven bag, wooden case, or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
EN 10216-2 P235GH Equivalent
| BS | ASTM | DIN | JIS | GB |
| BS EN 10216-2 P235GH | ASTM A106 Grade B | DIN 17175 St35.8 | JIS G3452 SGP | GB/T 5310 20G |
EN 10216-2 Grade P235GH Heat Exchanger Tube Chemical Properties
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
| max 0.16 | max 0.35 | max 1.20 | 0.025 | 0.01 | max 0.08 | max 0.30 | max 0.30 | max 0.30 | V max 0.02 Ti max 0.04 Al min 0.020 |
EN 10216-2 Grade P235GH Heat Exchanger Tube Mechanical Properties
| Steel grade | Tensile properties at room temperature | Impact properties a b | |||||||
| Upper yield strength or proof strength ReH or Rp0.2 for wall thickness T min. |
Tensile strength Rm |
Elongation a h A min. % |
Minimum average absorbed energy KV2 h J at a temperature of ℃ |
||||||
| T ≤ 16 | 16 ＜ T ≤ 40 | 40 ＜ T ≤ 60 | I | t | l | t | |||
| MPa | MPa | MPa | MPa | 0 | -10 | 0 | |||
| P235GH | 235 | 225 | 215 | 360 – 500 | 25 | 23 | 40 c | 28 d | 27 c |
All steel pipes made of P235GH shall be heat-treated, and the heat treatment shall be carried out after the final cold working is completed.
| Steel grade | Heat treatment a | Austenitizing | |
| Temperature ℃ | Cooling Medium | ||
| P235GH | +N b | 880 – 940 | air |
a: +N = Normalizing
b: Normalizing includes Normalizing Forming. Normalized Forming shall be carried out in a temperature range from 880 ℃ to 1 000 ℃.
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 | ||||||
EN 10216-2 P235GH Non-Alloy Seamless Steel Tube Application
Steam Boilers: Water walls, economizers and low pressure steam piping
Heat Exchangers: Condensers, feedwater heaters and cooling system tubes.
District Heating Systems: Hot Water Pipes
Process Piping for Non-Corrosive Fluids.
Structural Support for Pressure Vessels
Thermal Fluid Systems (Thermal Oil Loops).
High Strength Piping for Heating/Cooling Systems.
If you need more details, tell me:
What dimensions (OD and wall thickness) do you need?
Are you looking for testing certificates or delivery conditions (like normalized or cold-drawn)?
EN 10216-2 P235GH Seamless Steel Tube
What technological tests are performed on TC1 tubes?
Standard TC1 testing includes:
Tensile Test: To verify strength.
Flattening Test: To ensure the tube doesn't crack under compression.
Drift Expanding Test: To check ductility by expanding the tube end.
Dimensional Inspection: Checking OD, wall thickness, and straightness.
Visual Inspection: Checking for surface defects.
Can P235GH be U-bent?
Yes. P235GH is very ductile and is frequently used for U-bundle heat exchangers. However, after U-bending, it is common practice (or required by code) to perform stress-relief heat treatment on the bend area to prevent stress corrosion cracking.
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