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...
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 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...
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 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...
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 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...
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...
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...