Overview of GB/T3094 Q345D SHS/RSH Pipe

GB/T3094 is a Chinese national standard that specifies requirements for cold-drawn profiled steel pipes, including Square Hollow Section (SHS) and Rectangular Hollow Section (RHS) pipes made from Q345D steel.

Specifications and Properties

Table: GB/T3094 Q345D SHS/RSH Pipe Specifications

Applications of GB/T3094 Q345D SHS/RSH Pipe

1. Highway railings
2. Building construction
3. Oil tanks
4. Bridge structures
5. Power station equipment
6. Lifting and transportation machinery

Manufacturing Process at HL Steel

1. Cold-forming process
2. Precision cutting
3. Quality control and inspection

Advantages of GB/T3094 Q345D SHS/RSH Pipe

1. High strength-to-weight ratio
2. Excellent load-bearing capacity
3. Versatility in various construction applications
4. Good weldability and formability

People Also Ask(FAQ):

1. What is the difference between SHS and RHS pipes?

   SHS (Square Hollow Section) pipes have equal sides, while RHS (Rectangular Hollow Section) pipes have two pairs of parallel sides with different lengths.

2. What are the typical sizes available for GB/T3094 Q345D SHS/RSH pipes?

   GB/T3094 Q345D SHS/RSH pipes are available in sizes ranging from 40x40mm to 400x400mm, with thicknesses from 2mm to 20mm.

3. What is the Q345D steel grade?

   Q345D is a high-strength low-alloy steel grade with a minimum yield strength of 345 MPa. The “D” designation indicates improved low-temperature impact toughness.

4. How does GB/T3094 Q345D SHS/RSH pipe compare to other structural steel shapes?

   GB/T3094 Q345D SHS/RSH pipes offer excellent strength-to-weight ratios and are particularly useful for applications requiring high load-bearing capacity and good torsional resistance.

5. What are the main advantages of using GB/T3094 Q345D SHS/RSH pipes in construction?

   The main advantages include high strength, good weldability, versatility in design, and suitability for various construction applications, especially those requiring high load-bearing capacity.