Precision stainless steel tubes are very characteristic in terms of model specifications and app...
1. Stainless steel stamping elbows will not produce corrosion, pitting, rust, or wear. Stainless ste...
(1) During the heat treatment process, the cause of the geometric change of the large-diameter ste...
If the large-diameter spiral steel pipe is processed to a certain length, there must be bending,...
Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (...
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Diff...
Surface casing: install the oil casing head on the top, suspend and support the subsequent layer...
At present, the commonly used methods for welding steel pipes are electrode arc welding (SMAW), ...
1. The use of large-diameter straight seam welded steel pipes can be divided into oil well pipes...
1. Keep warm by smearing of anti-corrosion steel pipes : Mainly use uncertain insulation mater...
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