Analysis and Preventive Measures of Seamless Steel Tube Cold Treatment Cracks
The seamless steel tubes are mostly medium and high-carbon alloy steels. After quenching, some of the subcooled austenite is not transformed into martensite, and it remains in the service state to bec...
Precautions for Purchasing Casing and Tubing
Oil casing is mainly used to support the walls of oil, gas and water wells. It is an important guarantee for the normal operation of oil and gas wells after drilling and completion. Due to factors suc...
Mechanical Properties of Oil Casing J55 and K55 in API 5CT Specification
Mechanical properties of oil casing pipe J55 and K55 in API 5CT specification:
1. Heat treatment
PSL1 requirements: In API 5CT, J55 and K55 require delivery in rolled state;
PSL2 requirements: In API ...
Quality Assessment Process of ERW Straight Seam Welded Pipe
The quality assessment process of ERW steel pipe consists of online non-destructive testing, metallographic inspection, flattening and flaring destructive tests, and hydraulic tests. Evaluation proces...
How to Ensure the Quality of High-frequency Welded Pipes in the Production Process?
The production process of high-frequency welded pipes (ERW steel pipe) mainly depends on the type of product. From raw materials to finished products, a series of processes are required. The completio...
Application of Seamless Pipe in Automobile Manufacturing Industry
Seamless steel tubes have a hollow section and are used in large quantities as pipelines for conveying fluids, such as pipelines for conveying oil, natural gas, gas, water and certain solid materials....
