nansteel Articles

The difference between ERW steel pipe and UOE steel pipe

Straight seam welded steel pipes are divided into high frequency resistance welding and submerged arc welding according to the welding process. Straight seam submerged arc welding is referred to as...

Main points of quality control of straight seam high frequency...

Straight seam steel pipe is a welded steel pipe in which the weld seam is parallel to the longitudinal direction of the steel pipe. It is usually divided into metric...

What are the characteristics of precision seamless pipes?

Precision seamless pipe is a kind of high-precision steel pipe material after seamless steel pipe is processed by cold drawing or hot rolling. Due to the characteristics of no oxide...

Five heat treatment processes for seamless steel pipes

Seamless steel pipes have a hollow cross-section and are widely used as pipes for transporting fluids, such as pipes for transporting oil, natural gas, gas, water, and certain solid materials....

Advantages of submerged arc welding process

Submerged arc welding is the main production process for welded steel pipes (SSAW pipes and LSAW pipes). Submerged Arc Welding (SAW) is a widely used welding process with several advantages...

The difference between cold drawn precision steel pipe and seamless...

Cold drawn precision steel pipe and seamless pipe are two different types of steel pipes with distinct manufacturing processes and characteristics. Here's a breakdown of the key differences between them:

What are the excellent properties of black steel pipe

Black steel pipe is a steel pipe with a black oxide layer on the surface. This coating provides several excellent properties that make black steel pipe suitable for a variety...

Introduction to the production process and equipment of welded pipe

The welded pipe is a steel pipe made of steel plate or strip steel after being crimped and welded, generally with a length of 6 meters. The production process of...

Precautions for a500 square tube phosphating treatment

Most square tubes are mostly steel tubes, which are unpacked, flattened, crimped, welded to form round tubes (maybe seamless or welded tubes), and then rolled into square tubes from round...

Main points of quality control of straight seam high frequency...

There are many factors affecting the straight seam high frequency welded steel pipe (ERW pipe), and these factors interact with each other. Only by mastering the quality control points of...