EN10297-1 34CrMo4 Steel Pipe for Gas Cylinder

EN10297-1 is a European standard that specifies seamless steel tubes for mechanical and general engineering purposes. One of the grades specified in this standard is 34CrMo4, which is commonly used in the manufacturing of gas cylinders. In this article, we will explore the characteristics and applications of EN10297-1 34CrMo4 steel pipes for gas cylinders..

Chemical Composition

The chemical composition of EN10297-1 34CrMo4 steel pipes plays a crucial role in determining their mechanical properties and suitability for gas cylinder applications. Here is a general overview of the chemical composition requirements for 34CrMo4:

• Carbon (C): 0.30-0.37%
• Silicon (Si): 0.40% max
• Manganese (Mn): 0.60-0.90%
• Phosphorus (P): 0.025% max
• Sulfur (S): 0.035% max
• Chromium (Cr): 0.90-1.20%
• Molybdenum (Mo): 0.15-0.30%

It is important to note that these are general guidelines, and the specific chemical composition may vary slightly depending on the manufacturer and production process. It is always recommended to refer to the official EN10297-1 standard or consult the manufacturer for precise chemical composition information.

Mechanical Properties

EN10297-1 34CrMo4 steel pipes exhibit excellent mechanical properties, making them suitable for gas cylinder applications. Here are the typical mechanical properties of 34CrMo4:

• Tensile Strength: 980-1180 MPa
• Yield Strength: 785 MPa min
• Elongation: 10% min
• Impact Toughness: 34 J min

These mechanical properties ensure that the steel pipes can withstand high pressures and provide the necessary strength and durability required for gas cylinders.

Applications

EN10297-1 34CrMo4 steel pipes are widely used in the manufacturing of gas cylinders due to their excellent mechanical properties and high-pressure resistance. Gas cylinders are essential for storing and transporting various gases, including compressed air, liquefied petroleum gas (LPG), and industrial gases such as oxygen, nitrogen, and argon. The 34CrMo4 steel pipes are well-suited for gas cylinders in applications such as:

• Industrial gas cylinders: Used in various industries for storing and transporting gases required for different processes.
• Automotive gas cylinders: Used in vehicles powered by alternative fuels such as compressed natural gas (CNG) or hydrogen.
• Medical gas cylinders: Used in healthcare facilities to store and deliver medical gases for patient care.
• Specialty gas cylinders: Used for storing and transporting specialty gases used in laboratories, research facilities, and industrial applications.

The high-pressure resistance and excellent mechanical properties of EN10297-1 34CrMo4 steel pipes make them reliable and safe for these gas cylinder applications.

Conclusion

EN10297-1 34CrMo4 steel pipes are widely used in the manufacturing of gas cylinders due to their excellent mechanical properties and high-pressure resistance. The chemical composition of 34CrMo4, including elements such as carbon, silicon, manganese, phosphorus, sulfur, chromium, and molybdenum, contributes to its strength and durability. These steel pipes find applications in various sectors, including industrial, automotive, medical, and specialty gas cylinders. When selecting EN10297-1 34CrMo4 steel pipes for gas cylinders, it is essential to consider the specific requirements of the application and consult the official standard or the manufacturer for precise information on chemical composition and mechanical properties.v