1. What is P355GH?
P355GH is a high-quality fine-grain carbon steel defined under EN 10028-2, primarily used for pressure vessels, boilers, and high-temperature piping systems. It offers excellent weldability, high strength, and heat resistance, making it ideal for industrial applications with elevated temperature requirements.
2. What is P355GH material equivalent to?
P355GH steel is equivalent to ASTM A516 Grade 70 and ASME SA516 Grade 70, providing similar mechanical properties and suitability for pressure vessel applications. It also has comparable properties to Q355R in Chinese standards.
P355GH
3. What material is P355 pipe made of?
P355 pipe, such as EN 10216-3 P355NL2 seamless carbon steel tubes, is a low-alloy, fine-grain steel with minimum yield strength of 355 N/mm². It is commonly used for high-pressure piping, boilers, and process equipment.
4. What is the difference between P355GH and P355NH?
P355GH: Designed for high-temperature service with elevated yield strength and stability up to 500°C.
P355NH: Designed for low-temperature applications with superior toughness and impact resistance at sub-zero temperatures.
5. What does "GH" mean in P265GH?
In P265GH steel, "G" indicates fine-grain steel and "H" denotes suitability for high-temperature service. The designation reflects compliance with EN 10028-2 standards and ensures reliability for boilers and pressure vessels.
6. What are the main applications of P355GH?
Boilers and boiler drums (shells, superheater tubes, economizers)
Heat exchangers and steam generators
High-pressure storage tanks for petroleum and gas
Chemical and petrochemical reactors, distillation columns, and high-temperature piping
Power generation equipment (feedwater heaters, condensers, nuclear plant pressure components)
Seamless and welded tubes, forged components for pressure vessel fabrication
7. What certifications are available for P355GH?
P355GH steel can be supplied with EN 10204 3.1/3.2 mill test certificates, and optional dual certification with ASTM equivalents. Third-party inspections (ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS) are available on request.
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Application
What is P355GH material?
P355GH steel gives optimum performance for pressurised products that must support a creep limit greater than 180N/mm2 at 400ºC. These types of steel are characterised by good weldability. They are used above all for manufacturing boilers, pressure vessels and pipes for the transportation of hot liquids.
What is en 10028 P355GH equivalent to?
P355GH pressure vessel steel is an equivalent to ASTM A516 Grade 70 and ASME SA516 Grade 70.
What is the difference between P355GH and P355NH?
P355GH: This steel is designed for high-temperature applications and is characterized by high strength at temperatures up to 500 °C. P355NH: This steel is designed for low-temperature applications and is characterized by high toughness at low temperatures.
What is P235gh pipe equivalent ASTM material?
P235gh grade is an alloy of European standard EN 10028-2, which is also called the A2885 grade C steel, The P235gh Equivalent Astm Material is the ASTM A285 or the A285M standard.
What is the yield strength of P355GH?
Carbon steels that are characterised by a greater resistance to pressure, capable of bearing significant pressure both at high and low temperatures. The yield strength ranges between 315 and 355 MPa, according to the range of thicknesses and its tensile strength goes from 510 to 650 MPa.