What is EN 10216-1 P235TR2?

What is EN 10216-1 P235TR2?

What is EN 10216-1 P235TR2? Understanding its Chemical and Mechanical Properties, Tolerances, and Applications


In the seamless steel pipe industry, EN 10216-1 P235TR2 is a widely used material known for its excellent properties and versatility. This article aims to provide a comprehensive overview of EN 10216-1 P235TR2, including its definition, chemical and mechanical properties, tolerances, and various application areas.

What is EN 10216-1 P235TR2?

EN 10216-1 P235TR2 is a European standard for seamless steel pipes that are primarily used in pressure applications. It falls under the EN 10216 series of standards, which specify the technical delivery conditions for non-alloy and alloy steel tubes for various applications. P235TR2 specifically refers to seamless steel pipes with low carbon content and room temperature properties suitable for pressure purposes.

EN 10216-1 P235TR2 Mechanical Properties:

P235TR2 seamless steel pipes possess excellent mechanical properties, making them ideal for demanding applications. The material demonstrates good weldability and formability, allowing for easy fabrication and installation. The mechanical properties of P235TR2 include yield strength, tensile strength, elongation, and impact resistance. These properties ensure the pipes can withstand high-pressure environments while maintaining their structural integrity.

Mechanical PropertiesMinimum Value
Tensile Strength (Rm)360-500 MPa
Yield Strength (Re)235 MPa
Impact Strength20°C, 27 J

Note: This table demonstrates the typical mechanical properties of seamless carbon steel pipes with P235TR2 grade. Important properties such as yield strength (Re), tensile strength (Rm), elongation (A5), and impact strength (KV) are specified under this standard. The minimum and maximum values indicate the range in which the mechanical performance of steel pipes may vary.

However, please note that when working with a specific manufacturer or supplier, the mechanical properties of the respective products may differ from this table. Therefore, it is important to verify the specific product’s mechanical values by communicating with the manufacturer or supplier during the purchasing process.

Chemical Composition:

EN 10216-1 P235TR2 exhibits specific chemical composition requirements to ensure its desired characteristics. The typical chemical composition of P235TR2 steel includes carbon (C), silisyum (Si), manganese (Mn), sulfur (S), phosphorus (P), and traces of other elements. The composition is tightly controlled to ensure high-quality and consistent performance of the steel.

Chemical ComponentsValues
Carbon (C)0.16-0.22
Silisyum (Si)0.35 maximum
Manganese (Mn)1.20 maximum
Phosphorus (P)0.025 maximum
Sulfur (S)0.020 maximum
Al (Aluminum)
Nb (Niobium)
Ti (Titanium)
Cr (Chromium)
Ni (Nickel)
Mo (Molybdenum)
V (Vanadium)
Cu (Copper)
N (Nitrogen)

Note: This table shows the typical chemical composition of seamless carbon steel pipes with P235TR2 grade. These values generally represent standard requirements. However, please note that when working with a specific manufacturer or supplier, the chemical composition of specific products may differ from these values. Therefore, it is important to communicate with the relevant manufacturer or supplier to verify the chemical composition of the products before purchasing.



Tolerances play a crucial role in ensuring the dimensional accuracy and quality of seamless steel pipes. EN 10216-1 P235TR2 adheres to specific tolerance requirements for dimensions such as outer diameter, wall thickness, and length. These tolerances guarantee the pipes’ compatibility and interchangeability, facilitating their use in various systems and installations.


What is EN 10216-1 P235TR2?

EN 10216-1 P235TR2 Quality: Applications and Usage Areas of Seamless Steel Tubes

EN 10216-1 P235TR2 finds extensive application in industries requiring reliable and durable piping systems. Some common areas where P235TR2 steel pipes are utilized include:

  1. Pressure Vessels: P235TR2 pipes are commonly employed in the construction of pressure vessels, where their high-pressure resistance and superior weldability ensure safe and efficient operation.
  2. Power Plants: Seamless steel pipes made from P235TR2 are widely used in power generation facilities, including thermal, nuclear, and renewable energy plants. They are essential for conveying steam, water, and other fluids under high temperatures and pressures.
  3. Chemical and Petrochemical Industries: P235TR2 pipes are well-suited for transporting various chemicals, gases, and liquids in chemical processing and petrochemical plants. Their corrosion resistance and robustness make them ideal for withstanding harsh operating conditions.
  4. Oil and Gas Sector: Due to its strength, P235TR2 is extensively utilized in the oil and gas industry for transporting crude oil, natural gas, and refined petroleum products. The pipes provide reliable and leak-free connections in pipelines across vast distances.

EN 10216-1 P235TR2 seamless steel pipes offer an excellent combination of chemical and mechanical properties, dimensional tolerances, and a wide range of application areas. Their versatility and reliability make them a preferred choice in various industries that rely on robust piping systems. Understanding the specific characteristics of P235TR2 is vital for selecting the appropriate materials and ensuring the long-term performance of piping installations.

Note: This article aims to provide general information about EN 10216-1 P235TR2. For detailed technical specifications and guidelines, it is recommended to refer to the official standards and consult with industry professionals.

Areas of Application for EN 10216-1 P235TR1 Seamless Carbon Steel Pipe

Distinct Differences Among DIN EN 10216-1 Sub-Grades of Seamless Steel Drawn Pipes

P195TR1 and P195TR2: Suitable for pipes used under lower pressure and temperature conditions. While P195TR1 exhibits good resistance to cracking at low temperatures, P195TR2 has higher pressure resistance. These sub-grades are commonly preferred in applications such as heating systems, boilers, and power plants.

P235TR1 and P235TR2: Suitable for pipes used under moderate pressure and temperature conditions. P235TR1 exhibits good resistance to cracking within a moderate temperature range, while P235TR2 provides higher pressure resistance. These sub-grades are widely used in industries such as petrochemical, gas plants, and power generation.

P265TR1 and P265TR2: Suitable for pipes operating under high temperature and pressure conditions. P265TR1 exhibits excellent resistance to cracking at high temperatures, while P265TR2 can withstand higher pressure. These sub-grades are preferred in heavy industrial applications such as power plants, chemical industries, refineries, and nuclear power plants.

Different Mechanical Properties: The differences among sub-grades are reflected in various mechanical properties such as strength, tensile strength, elasticity modulus, and impact strength. These properties determine suitability for specific application requirements and operating conditions. Factors such as the load, pressure, and temperature that the pipes need to withstand should be considered when making a selection.

Chemical Composition: Each sub-grade utilizes different steel grades to meet specific chemical composition requirements, affecting the pipes’ resistance to corrosion. Depending on the application, chemical composition properties are also significant factors to consider.

The sub-grades of the EN (DIN) 10216-1 standard have different mechanical properties and chemical compositions to ensure the suitability of seamless steel drawn pipes for specific applications. When making a selection, factors such as operating conditions, pressure, and temperature requirements should be taken into account. Choosing the correct sub-grade is essential for reliability, performance, and durability, aiming to achieve the best fit for the intended application.

These of information provide a general understanding of the EN-10216-1 sub-grades of seamless steel drawn pipes.


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