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Jul 06, 2026CWC Thickness and Density Selectionwhat is CWC? CWC is commonly used on subsea pipelines and water-crossing pipelines where the pipe needs negative buoyancy, better on-bottom stability and stronger resistance to han -
Mar 06, 2026ASTM A270 Sanitary Tubing for Hygienic LinesA practical buying checklist for ASTM A270 sanitary tube orders—how to specify finish and Ra, tolerances, manufacturing route, testing, and documentation so sanitary stainless tubi -
May 08, 2026What Is Collapse Pressure?What is Collapse Pressure? Collapse pressure is the external pressure a casing pipe can resist before it becomes ovalized, deformed, or collapsed inward. In oil and gas wells, this -
May 08, 2026X7Ni9 Nickel SteelEN 10028-4 Grade: X7Ni9 / 1.5663; 9% nickel steel plate for cryogenic pressure service.
Supply Condition: Quenched and tempered for low-temperature welded vessel applications -
Apr 08, 2026How to Specify API 5DP Drill Pipe to Avoid Rig-Side Make-Up DelaysSpecifying API 5DP drill pipe correctly requires more than naming the grade and standard. This article explains how to define OD, wall thickness, range, connection designation, too -
Apr 02, 2026How to Specify API 6A Wellhead and Christmas Tree Equipment CorrectlySpecifying API 6A wellhead and Christmas tree equipment correctly requires more than stating a pressure rating. This article explains the key RFQ and data-sheet points, including p -
Apr 01, 2026API 6D vs API 608: Which Valve Standard Is Right for Pipeline Projects?API 6D and API 608 are often mentioned together in valve specifications, but they are not used in the same way. This article explains the practical difference between the two stand -
Jul 04, 2025Classification of Stainless Steel PipesEach application requires specific design and manufacturing requirements. -
Jul 03, 2025Characteristics of Stainless Steel PipeStainless steel pipe is easy to process and weld, and can be bent, cut, and connected as needed, making it convenient for use in practical projects. -
Jul 02, 2025Functions of Each Layer in a Stainless Steel PipeThe iron layer is the primary component of a stainless steel pipe, accounting for over 50% of the entire structure. -
Jul 01, 2025Do stainless steel pipes expand and contract with heat and cold?Stainless steel pipes expand and contract with heat due to the physical phenomena that occur when the material changes temperature.





