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How much do you know about the performance of oil casing
First, what is the role of oil casing in oil drilling? Surface casing: Installed at the top, it suspends and supports subsequent casing layers; it isolates shallow surface water layers from complex shallow subsurface layers, preventing freshwater contamination by drilling fluid. Intermediate casi...Read more -
What are the acceptance standards and methods for spiral welded steel pipes
First, the principles of spiral welded steel pipe acceptance. The quality inspection and acceptance of spiral welded steel pipes should be carried out by the supplier’s technical quality supervision department. The supplier must guarantee that the delivered spiral welded steel pipes conform...Read more -
Why are large-diameter steel pipes mostly made of welded steel
1. Large-diameter stainless steel pipes can be categorized into oil well pipes (casing, tubing, and drill pipe, etc.), pipeline pipes, boiler pipes, mechanical structure pipes, hydraulic support pipes, gas cylinder pipes, geological pipes, chemical pipes (high-pressure fertilizer pipes, petroleum...Read more -
What are the methods for calibrating the precision of machine tools used in precision steel pipe processing
The precision stability of machine tools used in precision steel pipe processing is a core prerequisite for ensuring the quality of steel pipe parts processing. It directly determines the compliance rate of internal/external diameter dimensional tolerances, surface finish, and geometric tolerance...Read more -
What is the welding process for thick-walled steel pipes
First, what are the welding methods for thick-walled steel pipes? When welding thick-walled steel pipes, first clean the weld joint thoroughly to remove oil, paint, water, rust, etc. Then, bevel the weld according to the wall thickness; make the bevel larger for thicker pipes and smaller for thin...Read more -
What are the performance characteristics of IPN8710 anti-corrosion steel pipe
What are the uses of IPN8710 anti-corrosion steel pipe for tap water and drinking water? ① Modification of epoxy resin. Epoxy resin is the most widely used and important resin to date. However, a major limitation of using epoxy resin on the inner wall of heavy-duty IPN8710 anti-corrosion steel pi...Read more