-
Large diameter thick-walled seamless steel pipe
Large diameter steel pipe often refers to the out diameter with more than 1000mm. large diameter steel pipe use is generally more widely, generally used for large-scale pipeline projects, water gas engineering, pipe network construction of large projects. Large diameter steel pipe production proc...Read more -
In stock SSAW steel pipe oct.2019
SY/T5037-2000，materialQ235B； WT OD 219 273 323.9 355.6 406.4 457.2 508 609.6 711.2 762 812.8 914.4 1016 1066.8 1117.6 1168.4 1219.2 1320.8 1422.4 1524 1625.6 1727.2 1828.8 1930.4 2032 6 4250 4250 4250 4250 4250 4250 4250 4250 4250 4250 4250 4250 4250 4350 4350 4350 4350 4350 4350 ...Read more -
Extruded pipe
Extruding pipe is the cold extrusion, hot extrusion, respectively of the warm extrusion process of pipes. Extrusion is widely used in the production of aluminum, copper and other nonferrous metals pipes and profiles. Steel used to produce both hot extrusion of special pipes and profiles, but also...Read more -
Electric Resistance Welding
Electric resistance welding is the use of current through resistor between the workpiece and the welding heat generated by the contact surface, the plastic is heated to a weldment or partial melting state, then apply pressure welding method of forming a welded joint. There are four main resistanc...Read more -
Create a New Business Card of “Wisdom Made in China”
The “super fishing grounds” of China’s 12-stage typhoon have been delivered to Norwegian users. The “super fishing grounds” installed more than 20000 various types of sensors, integrated into the biology, engineering, electrical, computer and other multidisciplinary...Read more -
Carbon Steel-Heat Treatment
The purpose of heat treating carbon steel is to change the mechanical properties of steel, usually ductility, hardness, yield strength, or impact resistance. Note that the electrical and thermal conductivity are only slightly altered. As with most strengthening techniques for steel, Young’...Read more -
Galvanized pipe
Galvanized pipe manufaturing process Galvanized pipe sulfate electro-galvanized the ferroalloy process is the production trough perforation direct solution to bring out or overflow. Various production process from the circulatory system, the slot solution, alkali solution, plating solution, a lig...Read more -
Extruded steel pipe
Extruded steel pipe is produced by cold extrusion, hot extrusion, warm extrusion process. Hot extrusion is widely used in the production of aluminum, copper and other nonferrous metal pipes and profiles. Hot extrusion of steel for the production of both special pipes and profiles, it is difficult...Read more -
Do You Know How to Paint Carbon Steel Pipes?
Carbon steel pipes consist of an iron and carbon alloy that is able to be bent into shapes during manufacture without reducing its high tensile strength. So as black steel pipe, many people use black steel pipe now. It is vital to defend the metal surface location from corrosion credited to the m...Read more -
The difference between the steel tubes
Difference between ssaw steel pipe and lsaw steel pipe Metallurgical properties of raw materials Straight seam submerged arc welding tube is made of steel, but spiral submerged arc welding steel pipe production is usd hot rolled steel coil strip. The hot strip rolling process with a series of adv...Read more -
Deviation wall thickness of seamless steel pipe
In recent years, the proportion of seamless steel pipe in China’s steel production is growing, including seamless steel pipe wall thickness deviation is the importance of the quality one of the indicators due to its wide use and the higher its quality requirements. The thickness deviation d...Read more -
Large-diameter oil pipeline stress corrosion causes and preventive measures
Stress corrosion Cause Large diameter oil pipeline stress corrosion cracking is a lag time-related damage, this hydrogen delayed cracking completely similar. Stress corrosion cracking (SCC) is a low-stress brittle fracture. Q345B spiral steel stress corrosion can occur only in specific circumstan...Read more