Product News
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Heat treatment method of API5CT petroleum casing
The most commonly used in the process of oil drilling is the API oil casing supplied by Hunan Great Steel Pipe Co., Ltd. It is also used in conjunction with drill pipes, drill collars, core pipes, and small-diameter drilling steel pipes. The main function of API oil casing is to support the oil w...Read more -
Introduction to the use and maintenance of 304 stainless steel pipe
After installing the 304 stainless steel pipe supplied by Hunan Great Steel Pipe Co., Ltd tears off the packaging film on the surface of the 304 stainless steel pipe supplied by Hunan Great Steel Pipe Co., Ltd, and use the special Wipe clean with the stainless steel cleaner to avoid the aging phe...Read more -
Steel Pipes Standard Comparison of Domestic and Oversea
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Pipe Ends
While size is an important factor when choosing flanges, elbows, and other components of your piping process, pipe ends are a critical consideration to ensure a proper fit, a tight seal, and optimal performance. In this guide, we will look at the various pipe end configurations available, the sce...Read more -
Black Steel Pipe
Black steel pipe is made of steel that has not been galvanized. Its name comes from the scaly, dark-colored iron oxide coating on its surface. It’s used in applications that don’t require galvanized steel. Black steel pipe(Uncoated steel pipe) is called “black” because of ...Read more -
Casing Pipe Testing
The casing is a high-end product of steel pipe production. There are many types of casings. The casing diameter specifications range from 15 categories to specifications, and the outer diameter range is 114.3-508mm. The steel grades are J55, K55, N80 and L-80. 11 kinds of P-110, C-90, C-95, T-95,...Read more