P265GH pipes – 1.0425 boiler tubes EN 10216-2
P265GH is an unalloyed creep-resistant steel with higher strength than P235GH – for pressure vessels, boilers and piping at moderate temperatures. ROHRLINE supplies P265GH pipes and tubes to EN 10216-2 with EN 10204 3.1 inspection certificates – worldwide.
Application & properties
P265GH is an unalloyed creep-resistant steel with higher strength than P235GH – for pressure vessels, boilers and piping at moderate temperatures.
- Higher-loaded piping for steam and water
- Pressure vessels and steam boilers
- Plant and apparatus engineering
Tell us the medium, temperature and pressure – we will check the grade with you.
Chemical composition
Typical values in wt.-% per EN standard (heat analysis).
| Element | Content (%) |
|---|---|
| C | ≤ 0.20 |
| Si | ≤ 0.40 |
| Mn | ≤ 1.40 |
| P | ≤ 0.025 |
| S | ≤ 0.010 |
| Cr | ≤ 0.30 |
| Mo | ≤ 0.08 |
| Ni | ≤ 0.30 |
Mechanical properties
Typical values at room temperature per EN standard.
| Property | Value |
|---|---|
| Yield strength Rp0.2 (t ≤ 16 mm) | ≥ 265 MPa |
| Tensile strength Rm | 410–570 MPa |
| Elongation A | ≥ 23 % |
| Impact energy KV | ≥ 40 J |
Standards, equivalents & product forms
| Topic | Detail |
|---|---|
| Standards | EN 10216-2, EN 10028-2 |
| ASME/ASTM equivalent | ~ ASTM A106 Gr. B · A516 Gr. 60 |
| Material no. | 1.0425 |
| Short name / aka | Carbon steel · creep-resistant |
We supply P265GH as pipes, flanges and fittings – seamless or welded, on request with an EN 10204 3.1 / 3.2 mill certificate.
Supply programme & machining
| Item | Details |
|---|---|
| Dimensions (pipe) | Programme range: outside Ø 10.2 to 2,032 mm · DN 6 to DN 2000 · all standard wall thicknesses; available sizes depend on grade and standard |
| As flange & fitting | DN 10 to DN 1200 · PN 6 to PN 400 · Class 150 to Class 2500 to ASME B16.5 (to NPS 24), above that ASME B16.47 to Class 900 |
| Lengths & cutting | Mill lengths, sawn fixed lengths and fitting pieces from 0.1 to 12 m – sawn and bevelled |
| Minimum quantity | From a single item – from one fitting piece to the complete piping system |
| Availability | Common grades and sizes available at short notice, special sizes procured per project |
| Lead time | Standard sizes usually 3–5 working days; the binding date is confirmed with the quote |
| Machining | Sawing and bevelling, roll grooving for grooved couplings, threading to EN 10226, drilling, facing, bending with special radii |
| Surface | Blasting Sa 2½, primer and top coat, powder coating in RAL shades, galvanising to EN ISO 1461, PE coating to DIN 30670 |
| Certificates | Mill certificate 2.2, inspection certificate 3.1 to EN 10204 (standard with machining), 3.2 with notified body on request |
| Testing | Non-destructive testing by ultrasound, eddy current and X-ray, pressure test report on request |
These figures describe our supply programme. Which size is actually available in this grade is clarified with your enquiry – you usually receive the quote the same day.
We clarify availability, price and inspection certificate with your enquiry.
Frequently asked questions about P265GH
How do P235GH and P265GH differ?
P265GH has a higher yield strength (265 vs. 235 MPa) for higher loads; the service temperature (~400 °C) is comparable.
Is P265GH weldable?
Yes, P265GH welds well; preheating may be advisable at larger wall thicknesses.
Which dimensions and certificates does ROHRLINE supply for P265GH?
ROHRLINE supplies P265GH in the following range: Programme range: outside Ø 10.2 to 2,032 mm · DN 6 to DN 2000 · all standard wall thicknesses; available sizes depend on grade and standard. Documentation: Mill certificate 2.2, inspection certificate 3.1 to EN 10204 (standard with machining), 3.2 with notified body on request. Delivery worldwide; the binding date is confirmed with the quotation.
Components in P265GH pipes
We supply these ready-to-install parts in this grade – to your drawing, tested and documented.
Pipe spools (prefabricated piping assemblies) are piping sections…
Headers bring steam, water or gas together and distribute it again. We…
The plate in which the boiler tubes end
Bent tube runs that take up or give off heat
Boiler tubes rarely arrive on site in mill lengths. We supply them…
The gas-tight wall of the furnace
The economiser (ECO, feedwater preheater) uses the residual heat of…
Pressure vessels, collecting and buffer vessels, separators and…
Spare parts for steam, hot-water and heat recovery boilers
Special flanges, collars and pipe fittings to drawing and works…
Typical industries
In boiler making the date hangs on the documentation, not on the…
In plant engineering an hour on site costs a multiple of an hour in…
In a heat network expansion and tightness are the real subjects, not…
In a refinery high temperatures, hydrogen and sulphur come together
Request P265GH?
Grade, standard, size, pressure rating and quantity are enough – on request with an EN 10204 3.1 / 3.2 mill certificate. Your quote usually the same day.
All data are typical values per the relevant EN standards for first orientation – without warranty. The applicable standard and the mill certificate of the delivery are decisive.