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

21
Jul
2018
Socket pipe fitting
Socket pipe fitting
 
Socket pipe fittings are an important branch of high pressure pipe fittings, which play an important role and value in machinery, chemical industry, petroleum, construction and other industries. Reading this article, you have different type...
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...