Basic knowledge of oil casing
API: it is the abbreviation of American Petroleum Institute, which means American Petroleum Institute in Chinese. OCTG: it is the abbreviation of oil country tubular goods in English, which means special...
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Continuous rolling process of straight seam steel pipe
Straight seam steel pipe continuous rolling process, the continuous rolling process is used in the continuous rlling and diameter reduction process of the steel pipe. Continuous steel pipe rolling is...
Hardness Standards for Seamless Steel Pipe
Generally, the hardness of seamless steel pipes has three standards: Brinell Hardness, Rockwell Hardness and Vickers Hardness. 1. Brinell Hardness Brinell Hardness is the most common standard for seamless...
The Types of API 5L Pipes
PI 5L pipes contain API 5L LSAW pipe, DSAW pipe, seamless pipe. API 5L LSAW Pipes : Grades covered by this specification are A25, A, B and“X" Grades API 5L X42 LSAW Pipes, API 5L X46 LSAW Pipes,...
A213 T22 Alloy Steel Pipe Cutting Method
A213 T22 alloy steel pipe cutting the main way to cut off the machine, machine cutting, flame cutting, sawing and so on. The characteristics of the pipe cutting equipment are described below. (1) Pipe...
Factors affecting the brightness of stainless steel tubes
1. Annealing temperature. The annealing we often talk about is actually solution heat treatment of stainless steel. Whether the annealing temperature reaches the specified temperature will also affect...
Pipeline corrosion detection
Pipeline corrosion detection refers to in-pipe detection for the purpose of detecting metal loss such as pipe wall corrosion. The basic method used to understand the damage of the pipeline in service...
Working principle of pipe jacking
Pipe jacking construction is an underground pipeline construction method developed after shield construction. It does not require excavation of surface layers, and can pass through roads, railways, rivers,...
China's seamless steel pipe exports expected to remain at high levels in June
China's seamless steel pipe exports are expected to remain at high levels in June. In April, China exported around 500,800 tons of seamless steel tubes, registering a monthly growth of 0.34% and a...
Are Pipes or Tubes Better for Your Application?
When you have an application that requires the transportation of gas or liquids, you may be wondering whether piping or tubing is right for the job. While the two have some of the same functionality,...
Introduction to IPN8710 anti-corrosion steel pipe
There are many kinds of corrosion media in IPN8710 anti-corrosion steel pipe, such as acid, alkali, salt, oxidant and water vapor, etc., the coating must be chemically inert, acid-alkali salt corrosion...
What is the difference between ASTM A105 and ASTM A234?
ASTM A105 and ASTM A234 are both ASTM (American Society for Testing and Materials) specifications that pertain to different types of materials used in the construction of pipes and fittings. ASTM A105 is...