Wet Type Automatic Sprinkler System (Section Four)
steelpipe2019-05-23T02:36:10+00:00May 18th, 2015|
(3). The water flow indicator The flow indicator is installed in the pipeline, when there is flow of water goes through the pipe which is more than scheduled flow, the water flow indicator emits electrical [...]
Introduction of Domestic Big Straight Seam Welded Pipe Production Technology (Section Two)
steelpipe2016-05-06T09:46:49+00:00March 27th, 2015|
In the former article, we have talked much on the main production process of big straight welded pipe, and now I’d like to give a detailed information on the analytic description of the dry welding [...]
Special Shape Steel Pipe
steelpipe2019-05-23T02:36:10+00:00March 27th, 2015|
Introduction Special shape steel pipe is a kind of economic cross section steel tube including non circular cross section, equal-thickness wall, variable wall thickness, symmetrical section, no-symmetrical section, etc. Such as square, rectangle, conical, trapezoidal, [...]
Introduction of Domestic Big Straight Seam Welded Pipe Production Technology (Section One)
steelpipe2019-05-23T02:36:11+00:00March 26th, 2015|
In this article, we will talk mainly about the production process of the big straight welded pipe, and to make you know clearly what the process all included. Introduction of Domestic Big Straight Seam Welded [...]
The Difference Between the Straight Seam Welded Pipe and the General Welded Pipe and the Characteristics and Usage of the Spiral Pipe
steelpipe2016-05-06T09:39:08+00:00March 26th, 2015|
The Difference Between the Straight Seam Welded Pipe and the General Welded Pipe Straight seam welded pipe Straight seam welded pipe is made of steel plate or steel strip after bending forming, and then through [...]
Specific Operation Method for the Surface Treatment of Steel Pipe
steelpipe2016-05-06T09:39:08+00:00March 25th, 2015|
All the insider knows that steel pipe surface treatment is one of the key factors determine the service life of the pipeline corrosion, it is a precondition for whether the anti-corrosion layer and steel tube [...]
Several Problems should be Pay Attention on When Using Spray (Cast) Shot Derusting on Steel Pipe Surface
steelpipe2019-05-23T02:36:11+00:00March 25th, 2015|
In the last article, the article talks much on the specific operation methods for the surface treatment of steel pipe, and in this article, which problems should be pay attention on when using spray (cast) [...]
Spiral Steel Pipe Submerged Arc Welding Process and Spiral Steel Pipe Process
steelpipe2019-05-23T02:36:11+00:00March 25th, 2015|
Spiral steel pipe submerged arc welding process Automatic submerged arc welding was invented in 1940, a new kind of welding method, it adopts slag protection as manual welding, but is not coated electrode, the slag [...]
Galvanized Pipe Coating Process and Hot Dip Galvanizing Production Difficulties and Countermeasures
steelpipe2019-05-23T02:36:11+00:00March 24th, 2015|
Galvanized pipe coating process A continuous galvanized pipe coating production technology and equipment, and the process includes the following steps: passivation, cleaning; paint; curing, with drying preheating before coating, and the drying preheating temperature is [...]
Seamless Steel Tube Production Process and the Notices When Buying Pipes
steelpipe2016-05-06T09:39:09+00:00March 21st, 2015|
Thick wall seamless steel tube production process Cutting the circular tube embryo to about 1 meter of billet by cutting machine. The thick wall steel pipe is the pipe that the ratio between outer diameter [...]