The quality control of high frequency longitudinal welded pipe is also a key factor to ensure the safety of operators. The main application fields inc...
Date:2018-04-13 Tags:Quality Control of High Frequency Straight Seam Welded Pipe in Processing
ASTM A53 seamless steel pipe crack cause: First of all, most of the reasons for tube (circle) include internal cracks, inclusions, air bags and so on...
Date:2018-04-13 Tags:Crack of ASTM A53 Seamless Steel Pipe
1, the supply of ASTM A53 seamless steel pipe, compared with other traditional pipes, is lighter in raw material, high in strength, good in tolerance,...
Date:2018-04-13 Tags:Performance comparison of ASTM A53 seamless steel pipe and traditional pipe
Because the individual quality of the spiral steel pipe is relatively large, it must be stacked outdoors, but it is difficult to avoid the sun and rai...
Date:2018-04-13 Tags:Rust Protection of Spiral Steel Pipe
Difference between Thermal Expansion of Seamless Steel Tubes and Seamless Steel Pipe...
Date:2018-04-13 Tags:Difference between Thermal Expansion of Seamless Steel Tubes and Seamless Steel Pipe
Because the individual quality of the spiral steel pipe is relatively large, it must be stacked outdoors, but it is difficult to avoid the sun and rai...
Date:2018-04-12 Tags:Rust Protection of Spiral Steel Pipe
The thermal expansion of seamless steel tube is the thermal expansion steel tube which we often talk about. Its density is relatively low, but the ste...
Date:2018-04-12 Tags:Difference between Thermal Expansion of Seamless Steel Tubes and Seamless Steel Pipe
1, the low quality thick wall seamless steel pipe is easy to fold. Folding is the surface of thick walled seamless steel tubes, which is formed by var...
Date:2018-04-12 Tags:Rust of Inferior Thick-walled Seamless Steel Pipe
The characteristics of API 5L seamless steel pipe are large diameter and thick wall thickness, so the "no blind spot" detection is realized by the com...
Date:2018-04-12 Tags:Status Analysis of API 5L Seamless Steel Pipe
Attention to the manufacture of API 5L seamless steel pipe equipment A. oil mark: hydraulic pressure tester can prevent oil corrosion through the ste...
Date:2018-04-12 Tags:Notes in Making API 5L Seamless Steel Tube Equipment
The Ukrainian Steel Manufacturers Union Ukrmetallurgprom issued a news on April 5. In the first quarter of this year, Ukrainian crude steel production...
Date:2018-04-11 Tags:Ukrainian crude steel production fell 3% in the first quarter
The loss rate of spiral pipe manufacturing refers to the proportion of raw material waste in the manufacturing process of spiral tubes. According to y...
Date:2018-04-11 Tags:Manufacturing Loss Rate of Spiral Steel Pipe
1. looks from the spiral steel tube. The appearance is to pay attention to those welded joints. The appearance is not a defect and a lack of scale. Th...
Date:2018-04-11 Tags:Quality Inspection of Spiral Steel Pipe
ASTM A520 Standard Specification for seamless and resistance welded carbon steel pipe products supplementary requirements, for high temperature servic...
Date:2018-04-11 Tags:ASTM A520 Seamless Carbon Steel Pipe & Electric Resistance Welded (ERW) Pipe
The US "Wall Street Journal" disclosed in a report on the 16th that Peter Navarro, director of the White House National Trade Commission, has a close ...
Date:2018-04-10 Tags:US media reveal that government trade officials and steel interest groups use each other
