more information about low temperature alloy steel pipe
What is low temperature alloy steel pipe?
Low alloy steel used in the steel tube with carbon structural steel, high strength, good comprehensive performance and long service life, wide application range, comparative economic advantages.
Low alloy steel pipe generally adopt high strength low alloy structural steel (GB/T1591-1994), low temperature pipe commonly used material: Q345B, Q345C, Q345D, Q345E, A33Gr6. The steel rolled into sheet, profiles, seamless steel pipe, etc., are widely used in Bridges, ships, boilers, vehicles, and important building structure.
In this kind of steel in addition to the basic elements contain a certain amount or silicon manganese, also contain other suitable elements resources situation in our country. Such as vanadium (V), niobium (Nb), titanium (Ti), aluminum (Al), molybdenum (Mo), nitrogen (N), and rare earth (RE), and other trace elements. According to chemical composition and performance requirements, its brand by the Q295A, B, Q345A, B, C, D, E, Q390A, B, C, D, E, Q420A, B, C, D, E, Q460C, D, E grade steel, said the meaning with carbon structural steel.
V, Nb, Ti, Al fine grains such as trace elements, in this kind of steel in addition to the A and B grade steel, C, D, E in steel should contain at least one of them. In order to improve the performance of the steel, grade A and B in steel can also join one of them. In addition, this kind of steel of Cr, Ni, Cu content of residual elements each not greater than 0.30%. Q345A, B, C, D, E is representative of this kind of steel grades, including 16 mn steel is usually called A and B level; Above grade C steel need to add more than one trace elements, and its mechanical properties increase 1 item of low-temperature impact performance.
Hunan great steel pipe co.,ltdis good supplier of low temperature alloy steel pipe.
Difference of PSL1 and PSL2(API 5L)
The API 5L has two standards, PSL1 and PSL2, which are very different from each other. I'll talk more about the differences between PSL1 and PSL2.
Production Process of Pipe Fitting
There are many kinds of processing methods for pipe fittings.
The Future of Steel Pipe Development
The future of steel pipe development is looking promising, according to expert analysis and data. The price of carbon steel pipe is predicted to bounce back this year, with China leading the way in increasing steel consumption demands. This is due to a series of government initiatives aimed at stimulating domestic demand, including the construction of affordable housing and infrastructure projects. The demand for structural steel pipe is also on the rise, thanks to state investment in housing and engineering projects. With private investment projects also gaining popularity, the steel pipe market is set to thrive in 2017.
