Date:2016-08-05 View(s):1754 Tag:erw steel pipe, erw steel pipe unit, erw steel pipe production unit
Fault erw steel pipe unit is relatively more, and the cause of the failure is also more complex, the result is often caused by a variety of reasons, can be caused by several reasons or a result....
Date:2016-08-03 View(s):2056 Tag:seamless steel pipe, seamless steel pipe production, seamless steel pipe production process
There are three main deformation processes throughout hot rolled seamless steel pipe production methods.1. Perforating. 2.Rolling. 3. Finishing....
Date:2016-08-02 View(s):2057 Tag:heat treatment, hot rolled, cold drown
Heat treatment is the process of heating and cooling metals to achieve desired physical and mechanical properties through modification of their crystalline structure....
Date:2016-07-11 View(s):1958 Tag:production of SSAW steel pipe, production notes of SSAW steel pipe
SSAW steel pipe in the production process, we need to pay attention to a series of matters....
Date:2016-07-07 View(s):1976 Tag:cold-formed steel,cold-formed rectangular, hollow section
Cold-formed steel, cold-formed rectangular tube through the one-way roller contacts the outer tube forming the outer wall so that the strip bending moment, bending line will produce cold-formed compression....
Date:2016-07-05 View(s):1994 Tag:galvanized steel pipe production, galvanized steel pipe supplier
The galvanized steel pipe production lines have special requirements, especially for the production environment....
Date:2016-07-04 View(s):2161 Tag:API 5L line pipe, ERW steel pipe, LSAW steel pipe
The best way to welding steel pipe: First of all, cleaning the oil, paint, water, rust ect. on welded steel pipe weld. ...
Date:2016-07-02 View(s):2046 Tag:production process of seamless steel pipe, seamless steel pipe supplier
Seamless steel pipe mainly complete through the tension reducing diameter. The stretch reducing process is hollow base material without mandrel continuous rolling process. ...
Date:2016-07-01 View(s):2148 Tag:heat treatment, welding pipe, LSAW steel pipe
Post weld heat treatment can effectively reduce the welding residual stress, and heat treatment temperature is higher, residual stress better....
Date:2016-06-21 View(s):2178 Tag:hot-drawing forming, seamless tee, pipe tee
Applied to Tees with large diameters, heavy wall thickness and/or special material with challenging workability that cannot be manufactured using the hydraulic bulge method. ...
Date:2016-06-15 View(s):2339 Tag:line pipe supplier, line pipe manufacturer, API 5L line pipe
Welded line pipe can be distinguished into three production process which are resistance welding, spiral submerged arc welding, longitudinal submerged arc welding. ...
Date:2016-06-05 View(s):1959 Tag:welding technolgoy, electric resistance welding, electric resistance welding technology
Few technical control methods to maintain the quality of the pipe and high efficiency of the production process. ...
Date:2016-06-04 View(s):1957 Tag:ERW steel pipe, ERW steel pipe production line, ERW steel pipe proudction units
Brief introduction of our high frequency resistance welded pipe mill facility and technical parameters....
Date:2016-06-02 View(s):1949 Tag:LSAW steel pipe, thick wall LSAW steel pipe, thick-wall LSAW steel pipe
Submerged arc welding seam slag is produced mainly due to 1. raw materials inclusions (including base metal, wire, flux) 2. the multilayer welding interlayer is not clean up 3. improper selection of welding parameters is not conductive to slag floats....
Date:2016-05-30 View(s):1916 Tag:electric resistance welding, resistance welding process, resistance welding technology
The electric resistance welding time is short and the process is not visible, so during the actual welding process, there will be joint quality of instability caused by the instantaneous voltage fluctuations, current shunt, electrode wear and other factors....