What are the common applications of P265GH steel plate?

2025-09-05 | More News

What is P265GH Steel?

P265GH is a non-alloy carbon-manganese steel grade specified under the EN 10028-2 standard, designed primarily for pressure vessels and boilers. It’s classified as a weldable steel for elevated temperature service, making it ideal for applications where strength and heat resistance are critical. The “P” in P265GH stands for pressure vessel steel, while “265” refers to its minimum yield strength of 265 MPa. This grade is known for its excellent weldability and formability, ensuring it can be shaped and joined without compromising integrity.

Unlike higher-alloy steels, P265GH is cost-effective and provides strong mechanical properties without the need for extensive alloying elements. It’s a cornerstone material in the EN pressure vessel plate standard, offering a blend of toughness and reliability.

►Mechnical property for P265GH steel plate

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
T≤16	265	410-530	22
16<T≤40	255
40<T≤60	245
60<T≤100	215
100<T≤150	200	400-530
150<T	185	390-530

►Chemical composition for P265GH hot-rolled plate (Heat Analysis Max%)

Main chemical elements composition of P265GH boiler plate
C	Si	Mn	P	S	Al (total)	N	Cr
0.20	0.40	0.80-1.40	0.025	0.015	≥0.020	0.012	0.30
Cu	Mo	Nb	Ni	Ti	V	Cr+Cu+Mo+Ni
0.30	0.08	0.020	0.30	0.03	0.02	0.70

Applications of P265GH pressure vessel plate

P265GH steel finds widespread use across various industries due to its versatility:

Boilers and Pressure Vessels: Ideal for fabricating boilers, calorifiers, and storage tanks that operate under high pressure.

Pipelines and Heat Exchangers: Used in seamless tubes for transporting fluids in power generation and petrochemical plants.

Columns, Filters, and Flanges: Essential in structural components requiring weldability and strength.

Energy Sector: Common in nuclear and conventional power plants for its resistance to pressures and temperatures.

Other Uses: In dished ends, valves, and filters where elevated temperature service is needed.

Its suitability for normalization annealing and stress-relief annealing further enhances its applicability in critical infrastructure.

Advantages of Using P265GH Steel Plate

Why choose P265GH over other grades?

Here are the key benefits:

Cost-Effectiveness: As a non-alloy steel, it’s more affordable than alloyed alternatives while delivering comparable performance.

Weldability and Formability: Excellent for fabrication, reducing manufacturing time and costs.

High-Temperature Performance: Maintains mechanical properties in elevated temperatures, with good corrosion resistance after treatment.

Versatility: Suitable for a wide range of thicknesses and forms, from plates to tubes.

Compliance: Meets EN 10028-2 standards, ensuring reliability in regulated industries.

Compared to grades like P355GH, P265GH offers medium strength with superior weldability, making it a balanced choice.

If you’re sourcing P265GH steel, please feel free to contact us.

Email: [email protected]
Whatsapp (WeChat): +86 15824687445

Products Categories

WhatsApp: +86 15824687445

E-mail: [email protected]

What are the common applications of P265GH steel plate?

What is P265GH Steel?

►Mechnical property for P265GH steel plate

►Chemical composition for P265GH hot-rolled plate (Heat Analysis Max%)

Applications of P265GH pressure vessel plate

Advantages of Using P265GH Steel Plate

Product Processing

Raw Materials

Pressure Vessel and Boiler Steel Plate