Large diameter:
The term "large diameter" indicates that the outer diameter of the pipe is quite large. Specific sizes may vary, but these pipes are typically used in applications where standard size pipes may not be sufficient.
Thick wall:
"Thick wall" refers to the actual thickness of the pipe wall. Thickness can be customized according to the requirements of the intended application. Thicker wall pipe is often chosen for applications where extra strength and durability are critical.
Spiral welding:
The manufacturing process involves spiral welding, a method of producing straight seam welded pipe. In this process, the coiled steel strip is unrolled and formed into a spiral shape and then welded along the seams. This creates a continuous spiral weld on the outside of the pipe.
Material:
Large diameter thick wall spiral welded pipes are typically made from a variety of materials such as carbon steel, alloy steel, or other suitable materials based on the specific requirements of the application.
application:
These pipes are typically used in applications where fluids need to be transported, such as water, oil, or natural gas, and can also be used on structural and construction projects. The combination of large diameter and thick wall is often advantageous in projects where high strength and resistance to external forces or pressures are critical.
Standards and specifications:
The production of large diameter thick wall spiral welded pipes follows industry standards and specifications. For example, in the oil and gas industry, the American Petroleum Institute (API) has developed standards such as API 5L for line pipe, which includes specifications for spiral welded pipe in various grades and sizes.







