Date:2016-06-02 View(s):2125 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:2016-06-01 View(s):2076 Tag:welded steel pipe, straight seam welded pipe, thick wall weded pipe
When the ratio of pipe diameter and wall thickness is less than 20, we called this type of carbon steel pipe as thick-walled welded steel pipe. In order to increase the wleding quality and production efficiency, limit the weld slag of welded steel pipe is significant. ...
Date:2016-05-31 View(s):2077 Tag:carbon steel pipe, welded steel pipe, large diameter welded pipe
On May 24, 2016, the Canadian International Trade Tribunal has established an affirmative anti-dumping industrial injury for the large diameter welded carbon steel pipe which imports from or origin from China and Japan....
Date:2016-05-30 View(s):2139 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....
Date:2016-05-29 View(s):1968 Tag:
Hydraulic steel pipe is basically divided into the hydraulic system with fluid pipe and oil cylinder, also known as honing tube, and cold drawn or cold rolled precision seamless steel pipe also contains hydraulic tube....
Date:2016-05-28 View(s):2202 Tag:seamless welding, seamless pipe, seamless steel pipe
Seamless welding may be employed depending on the type of gas, gas welding specific situation, there is used a shielding gas carbon dioxide, argon, helium, hydrogen, and mixed gases....
Date:2016-05-27 View(s):2206 Tag:ultrasonic testing, ultrasonic testing for steel pipe
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:2016-05-26 View(s):2190 Tag:carbon steel pipe, carbon steel pipe manufacturer, cabron steel pipe factory
Ceramic pipe with conventional steel, wear-resistant alloy steel pipe, cast stone and plastic pipe, steel pipe and other rubber has the essential difference....
Date:2016-05-25 View(s):2250 Tag:boiler tube, boiler pipe, boiler tube hardness, boiler pipe hardness
Boiler tube hardness is one very important factor to determine the quality of high pressure boiler tubes....
Date:2016-05-24 View(s):2427 Tag:carbon steel pipe, carbon steel pipe manufacturer, cabron steel pipe factory
When the gas pipeline construction and repair welding operations, sometimes magnetic blow phenomena affect the welding process. Forming a magnetic blow is the result of the presence of residual magnetism in the pipe metal. ...
Date:2016-05-23 View(s):2356 Tag:ERW carbon steel pipes, ERW steel pipe manufacturer, ERW steel pipe exporter
During the high frequency welding process, the welding technology, quality control process parameters, the impedance of the induction coil and the position of the placement has significant influence on the ERW steel pipe quality....
Date:2016-05-22 View(s):2146 Tag:ERW steel pipe, ERW steel pipe raw material, ERW steel pipe production
We know the quality of the raw materials have a deep influence on the quality of the ERW steel pipe, but how? Below we will discuss how the quality of steel trips influence the quality of ERW steel pipe during the production. ...
Date:2016-05-21 View(s):2116 Tag:steel pipe , carbon steel pipe , galvanized steel pipe
According to statistics, in March of this year Japan exported 271,268 tons of galvanized steel, an increase of 18.5% month on month to 228,861 tons, down by 13.3% year on year to 313,058 tons....
Date:2016-05-20 View(s):2322 Tag:carbon steel pipe , welded steel pipe , welded steel pipe supplier
According to Taiwan customs statistics, in April this year, Taiwan’s welded steel pipe exports totaled 8881 tons, down by 38% compared with 14408 tons in last March....
Date:2016-05-19 View(s):2213 Tag:EWR steel pipe, ERW steel pipe manufacturer, ERW steel pipe factory
The ERW steel pipe quality will be affected by raw materials, welding process, the roll adjustment, roll material, equipment failure, the production environment....