Q345D seamless steel pipe

1. Characteristics of Q345D seamless steel pipe

The main characteristics of Q345D seamless steel pipe include the following aspects:

High strength: The yield strength of Q345D seamless steel pipe is above 345MPa, and the tensile strength is between 470-630MPa. It has high strength and good load-bearing capacity and earthquake resistance.

Good plasticity: Q345D seamless steel pipe has good plasticity and can be rolled, stretched, stamped and other forming processes. It is suitable for structural parts of various shapes and specifications.

Good weldability: Q345D seamless steel pipe has good weldability and can be connected using various welding methods, such as arc welding, gas shielded welding, laser welding, etc.

Corrosion resistance: Q345D seamless steel pipe is made of high-quality steel and has undergone strict anti-corrosion treatment. It has good corrosion resistance and is suitable for use in harsh environments.

2. Production process of Q345D seamless steel pipe

The production process of Q345D seamless steel pipe mainly includes the following links:

Raw material procurement: Purchase Q345D steel raw materials that comply with GB/T 8162 standards to ensure material quality.

Cold drawing processing: The heat-treated seamless steel pipe blank is cold drawn, and the finished seamless steel pipe is obtained through processing steps such as stretching and diameter expansion.