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

20
Jul
2018
20# seamless steel pipe
20# seamless steel pipe
 
Technological process: Hot rolling (extruded seamless steel pipe): round tube billet, heating, perforation, three roll skew rolling, continuous rolling or extrusion, depipe, sizing (or reducing diameter), cooling, tube straightening, qualit...
19
Jul
2018
Flat welded ring flanges (PJ/SE)
Flat welded ring flanges (PJ/SE)
 
Flat welded ring flanges are movable flanges, usually supporting the water and drainage fittings (the most common on expansion joints). When the factory comes out of the factory, there is a flange at both ends of the expansion joint. It is...
18
Jul
2018
40CrNiMo alloy steel pipe
40CrNiMo alloy steel pipe
 
Chemical composition: Carbon C:0.37~0.44 Silicon Si:0.17~0.37 Manganese Mn:0.50~0.80 Sulfur S: less than 0.025 Phosphorus P: 0.025 Chromium Cr:0.60~0.90 Nickel Ni:1.25~1.65 Copper Cu: less than 0.25 Molybdenum Mo:0.15~0.25 Mechanical proper...
17
Jul
2018
Alloy tube 12Cr2MoVG
Alloy tube 12Cr2MoVG
 
process flow: GB/T8162-2008 (structure for seamless steel pipe). It is mainly used in general structure and mechanical structure. Its representative material (grade): carbon steel 20, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrM...
16
Jul
2018
Welded pipe
Welded pipe
 
Production process: The longitudinal welded pipe has the advantages of simple production process, high production efficiency, low cost and rapid development. The strength of a spiral welded pipe is generally higher than that of a straight w...