ASTM steel pipe,ASTM elbow,ASTM fitting_HeBei Zhongyue Pipe Fittings Sales Co.,Ltd

03
Sep
2018
Seamless Steel Tube Production Process and the Notices When B
Seamless Steel Tube Production Process and the Notices When B
 
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 and thickness is less than 20. Thi...
01
Sep
2018
Identification of Inferior Steel Pipe
Identification of Inferior Steel Pipe
 
1.The folding is easy to happen with inferior steel tube Folding is formed on the surface of the pipe line, this kind of defect often throughout the entire product longitudinal. The reason for causing of fold is due to the pursuit of high e...
31
Aug
2018
Several Problems should be Pay Attention on When Using Spray
Several Problems should be Pay Attention on When Using Spray
 
Descaling grade The construction process commonly used for anti-corrosive coatings of the steel tube like vinyl, epoxy phenolic always require the steel tube surface nearly white level (Sa2.5). And the practice evidence has proved that usin...
30
Aug
2018
The Difference Between the Straight Seam Welded Pipe and the
The Difference Between the Straight Seam Welded Pipe and the
 
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 welding. Divided into the for...
29
Aug
2018
Special Shape Steel Pipe
Special Shape Steel Pipe
 
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, rect...