An oil casing is a large-diameter pipe that fixes the walls or holes of oil and natural gas wells. The casing is inserted into the wellbore and set with cement to help the wellbore separate the rock formation and prevent the wellbore from collapsing while ensuring the drilling mud circulation to fac

ASTM A53 steel pipe is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas, and airlines. It is suitable for welding and for forming operations involving coiling, bending, and flanging, subject to certain qualifications.Product name: Seamle

Two-way stainless steel pipe fittings have the performance characteristics of 304 and austenitic stainless steel pipe fittings products. Comparing duplex stainless steel pipe fittings with 304 and 316L stainless steel pipe fittings as the main material, the following differences are drawn:A. Duplex

The application of large-diameter straight seam welded pipes has become very common in people's lives, so do you know what grades the quality of large-diameter straight seam welded pipes can be divided into?Generally, the surface of hot-rolled large-diameter longitudinally welded pipe products is FA