In March 23rd, the American steel Society (AISI) report showed that the United States imported 2 million 363 thousand short tons of crude steel in Feb...
Date:2018-04-03 Tags:The U.S. crude steel imports fell by 5.3% in the first 2 months of the year
1. Look from the spiral steel pipe. Appearance should pay attention to those welded joints, to see the appearance is not a drawback, the lack of scale...
Date:2018-04-03 Tags:Quality Inspection of Spiral Steel Pipe
Spiral steel pipe manufacturing loss rate refers to the spiral pipe in the manufacturing process, raw materials, waste ratio, according to professiona...
Date:2018-04-03 Tags:Manufacturing Loss Rate of Spiral Steel Pipe
EFW (Electrofusion Welding) steel tube refers to electron beam welding. For directional impact kinetic energy electron beam, high-speed motion is used...
Date:2018-04-03 Tags:EFW (Electric Fusion Welding) Steel Pipe
Water pipes AWWA C200 steel pipes are widely used in the following fields/industries: Hydroelectric power station, potable Water supply industry, ir...
Date:2018-04-02 Tags:AWWA C200 Steel Water Pipe
ASTM A520 is a standard specification for the construction of high-temperature boilers for seamless and resistance-welded carbon steel pipe products i...
Date:2018-04-02 Tags:ASTM A520 Seamless Carbon Steel Pipe & ERW Pipe
ASTM A500 tube is a standard specification for cold-formed welded and seamless carbon steel structural tubing in round, square and rectangular shapes....
Date:2018-04-02 Tags:ASTM A500 Tube, ASTM A500 Structural Tubing
The microstructure of high-frequency straight seam welded pipe welds reflects the welding process performance and welding quality of the steel pipe. ...
Date:2018-04-01 Tags:Weld Microstructure Analysis of Carbon Steel Straight Seam Welded Pipe
Welding steel pipe slag is the residual slag in the weld. From the theoretical analysis, the main reason for submerged arc welding slag inclusion due ...
Date:2018-04-01 Tags:Characteristics of Welded Steel Tube Slag
In the straight seam steel pipe production of straight seam steel pipe, manufacturers need to have good control of the pressure. This is why during th...
Date:2018-04-01 Tags:Exrusion Control of LSAW Steel Pipe in Production
Thick-walled steel pipe, its pipe diameter and wall thickness ratio of less than 20, said the steel pipe is a thick-walled steel pipe. Mainly used in ...
Date:2018-03-30 Tags:Thick-walled Steel Pipe
There are many factors affecting large-diameter high-quality double-sided submerged arc welded steel pipes (DSAW steel pipes). The key factors directl...
Date:2018-03-30 Tags:Factors Affecting Mechanical Properties of Large Diameter Double Sided SAW Steel Pipes
Large-diameter straight seam steel pipe welding, including pre-welding, welding and welding three processes....
Date:2018-03-30 Tags:Large diameter straight seam welded pipe welding requirements
At present, the long-distance transportation of oil and natural gas mainly adopts pipeline. Long-distance pipeline pipeline used in the main spiral pi...
Date:2018-03-30 Tags:ssaw steel pipe
The quality inspection standards and operating procedures for cold-drawn carbon seamless steel tubes are as follows: The characteristics of cold draw...
Date:2018-03-30 Tags:Cold-drawn carbon seamless steel pipe quality inspection standards and operation process