Cold Rolled Nitriding Treatment of Seamless Steel Tubes

The cold rolling of seamless steel pipe is to change the martensite to the seamless steel pipe before the rolled piece enters the finishing extruder. Rough rolling is still carried out in full martensitic conditions, and then the hot-rolled…

Seamless steel pipe storage points

In the present life, the use of seamless steel pipe is particularly widespread, but we know that because of the material of seamless steel pipe, we should pay attention to the matters related to the preservation of seamless steel pipe to avoid…

Acceptance Standard for Internally Threaded Seamless Steel Tubes for High Pressure Boilers

1. Surface quality 1). Cracks, folds, folds, scabs, and delaminations are not allowed on the inner and outer surfaces of the internal threaded seamless steel pipes for high-pressure boilers. These defects should be completely removed, and…

What are the methods and measures for rust removal and rust prevention of seamless steel pipes

The main material of Q345B seamless steel pipe is the Q345B type, which is relatively strong and durable. The common use of Q345B seamless steel pipe is also more, and the wide performance is also relatively good. For Q345B seamless steel pipe,…

What should be paid attention to when transporting seamless steel pipes

It can be said that more and more industrial enterprises will use seamless steel pipes, and some enterprises have also found that in the process of using such pipes, there may be a situation of corrosion sometimes. Relevant persons in charge…

Seamless steel pipe wall thickness

The use and classification of seamless steel pipes Seamless steel pipes are widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames and steel scaffolding…

The basic method of rust removal of high-pressure boiler steel pipes is as follows

The basic method of rust removal of high pressure boiler steel pipe: (1) Cleaning: Use solvents and emulsions to clean the surface of high-pressure boiler steel pipes to remove oil, grease, dust, lubricants and similar organic substances, but…

How are common seamless steel pipes classified?

Classification of national standard seamless steel pipes: seamless steel pipes are divided into two categories: hot-rolled and cold-rolled (dial) seamless steel pipes. Hot-rolled seamless steel pipes are divided into general steel pipes, low…

Why is borax blowing in the production process of seamless steel pipe, what is the process and purpose

Why do we need to blow borax in the production process of seamless steel pipe? What is the process and purpose? The limit mandrel continuous rolling mill has one more process than the floating and semi-floating mill. Oxidizer, whose technological…

Mechanical properties of precision bright seamless tubes

Precision bright seamless steel pipe is a kind of high-precision steel pipe material processed by fine drawing or cold rolling. Due to the advantages of no oxide layer on the inner and outer walls of the precision bright tube, no leakage under…