Welded Pipe Fitting Elbow Q235

Q235 steel welded elbows are widely used in various piping systems to change the direction of fluid flow. Q235 is a Chinese standard carbon structural steel, equivalent to ASTM A36 in the United States. It has good weldability and machinability and can be used in various fields such as construction, machinery, and piping.

Key characteristics of Q235 welded pipe elbows:

1. Material: Q235 steel is a low-carbon steel with a yield strength of approximately 235 MPa. It is known for its good mechanical properties and is widely used in structural applications.

2. Types of elbow joints:
- Long radius (LR) elbows:These typically have a radius 1.5 times the nominal pipe diameter, providing smoother flow.
- Short radius elbow (SR): The radius is equal to the nominal diameter of the pipe, thus achieving a tighter bend.

3. Angle: Commonly used angles for elbows include 45 degrees and 90 degrees, used to change the direction of piping systems.

4. Welding: These elbows are designed to be welded to pipes to ensure a secure and leak-proof connection. Proper welding techniques should be used to maintain the integrity of the joint.

5. Application Areas: Q235 welded elbows are widely used in various industries, including:
Oil and gas
Water supply and drainage
- HVAC system
Chemical processing

6. Standards: They may conform to various international standards, such as ASME B16.9, which specifies the dimensions and tolerances of the fittings.

Notes:

- Corrosion Resistance: Q235 steel may require additional coatings or treatments when used in corrosive environments.
- Temperature and Pressure Ratings**: Ensure the selected elbow is suitable for the specific temperature and pressure conditions of the application.
- Quality Control: It is crucial to source parts from reputable manufacturers to ensure they meet quality standards.

 


Post time: Jan-22-2026