Nansteel · Newsroom

High-pressure air-cooling quenching technology is used for square tubes
The high-pressure air-cooling quenching technology used for square tubes has been promoted and applied. Foreign heat treatment manufacturers pay more attention to the cooling of square tubes during heat treatment.

September 12, 2024

What are the detection methods for oil casing?
What are the detection methods for oil casing? Let's take a brief look:

September 6, 2024

Complete guide to seamless pipe weight and length unit conversion
Seamless pipe weight conversion The weight of seamless pipe is usually expressed in kilograms (kg).

August 27, 2024

Cause Analysis of Inner Surface Defects of Seamless Steel Pipes
34CrMo4 steel is an alloy structural steel with high lasting strength and creep resistance at high temperature

August 23, 2024

What is a galvanized square tube?
Galvanized square tubes are divided into hot-dip galvanized square tubes and cold-dip galvanized square tubes in terms of production process.

August 22, 2024

Steel spiral pipe piles corrosion
Learn about the factors that contribute to corrosion in spiral steel pipe piles and how to prevent and mitigate corrosion issues. Explore the best practices and solutions to protect your spiral steel pipe piles from corrosion damage.

April 2, 2024

Defects in erw pipe welding
"ERW pipe" is a straight seam electric resistance welded pipe, which is a welded pipe used to transport vapor and liquid objects such as oil and natural gas, and can also be used as an octg pipe.

April 26, 2023

Cold treatment of seamless steel pipe
If the cold treatment method selected for seamless steel pipe is not correct, its performance will be affected to a certain extent.

December 23, 2021

How to control the welding of spiral welded pipe?
Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.

December 17, 2021

Hot-rolled seamless steel pipe defects
Hot-rolled seamless steel pipe production base deformation process can be summarized as three stages: perforation, extension and finishing.

December 10, 2021

Application of square seamless steel pipe
There are mainly three kinds of forming technology of seamless square tube: hot-rolled, cold-drawn and welded.

December 2, 2021

Common defects of hot-rolled seamless steel pipes
Hot-rolled seamless steel pipe production base deformation process can be summarized as three stages: perforation, extension and finishing.

November 26, 2021

seamless and welded pipe
Seamless steel pipe is a round, square and rectangular steel with a hollow section and no joints on the periphery.

November 17, 2021

cs seamless pipe extrusion process
Structural and cs seamless pipe are both extruded. That means a billet of material is forced through a hole in a die shaped to form the two-dimensional cross-section.

November 12, 2021

Characteristics and storage requirements of cold drawn seamless pipes
Seamless steel pipes are divided into cold-drawn seamless pipes and hot-rolled seamless pipes according to the production process. Cold drawn seamless pipes are seamless steel pipes with a circular cross-section made by cold drawing.

October 28, 2021

Hardness test of galvanized seamless steel pipe
The hardness test of galvanized seamless steel pipe can be divided into two methods, one is tensile test specimen and the other is hardness test.

October 14, 2021

Manufacturing process and steps of piping spools
The entire piping process of an industrial plant includes two main parts: pipe section fabrication and on-site installation.

September 9, 2021

The universality of buried pipeline epoxy coal tar anticorrosive steel pipe
The epoxy coal tar pitch anti-corrosion coating in the epoxy coal tar pitch anticorrosive steel pipe is composed of two main components: epoxy and coal tar pitch.

July 8, 2021

The influence of welded pipe blank width consumption
Welded pipe blank is the raw material for manufacturing welded pipe. Its mechanical properties and chemical composition have a far-reaching impact on the quality of welded pipe.

May 26, 2021

Advantages of tube truss
In recent years, various forms of steel structures have been widely used in large space buildings such as stadiums, airports, stations, equipment production lines.

May 20, 2021

Cold-rolled nitriding treatment of seamless steel pipe
For seamless steel tube cold rolling, the martensite is changed to seamless steel tube before the rolled piece enters the precision extruder.

May 13, 2021