Date:2016-02-17 View(s):2215 Tag:LSAW steel pipe, steel pipe manufacturing process, pre-welding process for LSAW steel pipe
LSAW steel pipes (UOE, JCOE) manufacturing processes, welding processes are set to continuous advance. ...
Date:2016-02-16 View(s):2193 Tag:lsaw steel pipe, LSAW steel pipe, submerged arc welded steel pipe, straight seam welded pipe, longit
Cause Analysis of LSAW Steel Pipe Surface Crack....
Date:2016-02-14 View(s):2061 Tag:heat treatment process for LSAW steel pipe, LSAW steel pipe production process
Heat Treatment Process of LSAW Steel Pipe....
Date:2016-02-03 View(s):2157 Tag:seamless steel tube, seamless steel pipe, seamless tube manufacturer
Among all the scaffolding elements and accessories, the seamless steel water pipe is the most common ones used in the construction projects. Below are the tips on how to make the seamless steel tubes. ...
Date:2016-02-01 View(s):2095 Tag:hot dipped galvanized steel tube, hot dipped galvanized steel pipe, pre-galvanized steel pipe
Generally speaking, all the galvanized steel tubes, no matter they are hot dipped or cold dipped, cannot be welded to be welded steel tubes.However, everything has an exception....
Date:2016-01-26 View(s):2219 Tag:smls pipe, smls steel pipe, seamless pipe, seamless steel pipe, seamless carbon steel pipe
The first step to make the seamless pipes is generally started with a hot extrusion to form the tube hollows from billets which has typically a drilled hole and is pushed through a die and over a mandrel with the process of air cooling or water quenching afterwards. ...
Date:2016-01-21 View(s):2149 Tag:steel pipe production process, precision bright tubes,surface treatment for steel pipe
Precision bright tubes passivation, pickling, degreasing three common precision light pipe surface treatment process. ...
Date:2016-01-21 View(s):2144 Tag:LSAW steel pipe, heat treatment for steel pipe, welded steel pipe manufacturer
LSAW steel pipe after heat treatment is a new technology to eliminate residual stress. After the material is preheated before welding to heat treatment temperature and the butt welding process to maintain the temperature of the continuously heated member...
Date:2016-01-20 View(s):6708 Tag:high frequency welding, electric resistance welding, welded steel pipe manufacturer
High-frequency welding(HFW) is a solid resistance heat energy. The use of high-frequency current welding resistance heat generated in the workpiece so that the workpiece is heated to melt the welding area or near the surface of the plastic state ...
Date:2016-01-19 View(s):2138 Tag:ERW steel pipe, welded steel pipe manufacturer, electric resistance welding process for steel pipe
Electric resistance welding is the use of current through resistor between the workpiece and the welding heat generated by the contact surface. ...
Date:2016-01-17 View(s):2040 Tag:efw steel pipe, EFW STEEL PIPE, high frequency welding, welded steel pipe manufacturer
High frequency welding is the effect of skin effect and the adjacent high frequency current generated by the use of the butt plate and other metal materials up new welding process. ...
Date:2016-01-16 View(s):2437 Tag:steel pipe ultrasonic testing, steel pipe manufacturer, steel pipe exporter, steel pipe supplier
Using ultrasonic testing to detect the quality of seamless steel pipe can be done defects (corrosion, cracks, pits, etc.) is detected without damaging the pipe. ...
Date:2016-01-15 View(s):1979 Tag:steel pipe manufacturer, steel pipe production process, steel pipe hardness and strength
When hardness of steel pipe is below 500HB, which is proportional to the tensile strength and hardness. Hardness with tempering temperature decreases, but in the state as well as the quenching and tempering below 300 ℃, the hardness and tensile strength of the relationship is difficult established. ...
Date:2016-01-14 View(s):2240 Tag:steel pipe heat number, steel pipe manufacturer, steel pipe exporter
Heat number: it is a steel smelting furnace number of times with unique, traceability. Different mills have different numbering, but each furnace steel must be a number. ...
Date:2016-01-12 View(s):2401 Tag:seamless steel pipe, hot rolled seamless steel pipe, steel pipe defects, pipe manufacturer
Defect of Hot-rolled Seamless Steel Pipe. It including separation, straight inner flap, irregular hole, wall contraction, rolled scar, inside folding, rolling off, tear, fold the double-slit, double centerfold, outer folding...