ISO 3183 L245B seamless steel pipe material characteristics

The material characteristics of ISO 3183 L245B seamless steel pipe are detailed as follows:

1. ISO 3183 L245B seamless steel pipe chemical composition:
- Carbon content: The most common carbon content ranges from 0.17 to 0.22%.
- Sulphur content: Usually less than 0.005%.
- Phosphorus content: usually less than 0.03%.
- Content of other alloying elements: may include manganese, silicon, etc.

2. ISO 3183 L245B seamless steel pipe mechanical properties:
Tensile strength: approximately 415 MPa (60,200 psi) to 590 MPa (85,500 psi).
- Yield strength: approximately 245 MPa (35,500 psi).
- Elongation: Usually required above 20%.

3. ISO 3183 L245B seamless steel pipe special properties:
- Low temperature toughness: It is usually required to have good toughness at specified temperatures to meet the needs of use in low temperature environments.
Corrosion resistance: Compliance with specific corrosion resistance standards may be required to ensure long-term stability in corrosive environments.

4. ISO 3183 L245B seamless steel pipe structural characteristics:
- Grain size: A fine and uniform grain structure is usually required to improve the strength and toughness of the steel pipe.
- Structure: The typical structure may be a mixture of ferrite and pearlite.

5. ISO 3183 L245B seamless steel pipe heat treatment characteristics:
- Heat treatment processes such as normalizing or annealing may be required to adjust the organizational structure of ISO 3183 L245B seamless steel pipes and improve their performance.

6. ISO 3183 L245B seamless steel pipe weldability:
The material of the steel pipe should have good welding performance, and it is not easy to produce cracks or other welding defects during the welding process.

7. ISO 3183 L245B seamless steel pipe surface characteristics:
- Surface roughness: there are usually certain surface quality requirements to ensure welding quality and prevent corrosion.
- Oxide requirements: It may be necessary to remove the oxide to ensure good welding quality and surface quality.

8. ISO 3183 L245B seamless steel pipe Other features:
- Thermal expansion and cold contraction characteristics: Considering the size change of ISO 3183 L245B seamless steel pipe under temperature change.
- Material stability: The material is required to have stable performance to ensure that no abnormal conditions will occur in long-term use.