Common Materials of ERW Welded Pipe
Common materials for welded pipes are: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, etc.
The blank used for welded steel pip...
Monthly Archives: January 2022
Anti-corrosion Process of Oil Casing Pipe
Corrosion of oil casing is related to factors such as partial pressure of corrosive gas, ambient temperature, water content, salinity, flow rate, pH value and so on. So what are the anti-corrosion pro...
Advantages of ERW Straight Seam Welded Pipe
ERW steel pipe (ERW steel pipe) is generally used as a wire sleeve in the power industry. Performance characteristics: 100% ultrasonic testing of the base material to ensure the inherent quality of th...
How to Deal with the Details in the Processing of Seamless Steel Pipes
During the processing of seamless steel pipe manufacturers, there are many steps to obtain such high-quality pipes. By eliminating the work hardening of seamless steel tubes, a satisfactory metallurgi...
The Principle of Oil Well Casing Cathodic Protection Technology
The damage to the wellbore structure of oil fields and water wells not only affects the normal production of damaged wells, but also affects the normal development of adjacent wells and even blocks, a...
The Development Process of ERW Steel Pipe at Home and Abroad
High frequency straight seam welded pipe (ERW) is the hot rolled coil plate formed by the forming machine, using the skin effect and proximity effect of high frequency current to heat and melt the edg...
Differences Between 316L Stainless Steel Pipe and 316 Stainless Steel Pipe
316L stainless steel pipe is a pipe material widely used in construction engineering. The shape of the tube is an oblong hollow steel tube. Mechanical equipment, petrochemical equipment, medical equip...
Standard Reference for Seamless Steel Pipe
1. Seamless steel tube for structure (GB / T8162-1999) is a seamless steel pipe for general structure and mechanical structure.
2. Seamless steel tube for fluid transportation (GB / T8163-1999) is a g...
Classification of ERW Straight Seam Welded Steel Pipe
ERW straight seam welded steel pipe (ERW Pipe), also known as "resistance welded straight seam welded pipe", ERW straight seam welded pipe is mainly pided into ERW AC welded steel pipe and ERW DC weld...
The Main Origin of Oil Casing Pipe
(1) The main oil casing pipe importing countries are: Germany, Japan, Romania, Czech Republic, Italy, United Kingdom, Austria, Switzerland, United States, Argentina, Singapore also have imports. The i...
