Product News

  • Heat treatment method of API5CT petroleum casing

    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...
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  • Introduction to the use and maintenance of 304 stainless steel pipe

    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...
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  • Steel Pipes Standard Comparison of Domestic and Oversea

    Steel Pipes Standard Comparison of Domestic and Oversea

     
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  • Pipe Ends

    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...
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  • Black Steel Pipe

    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 ...
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  • Casing Pipe Testing

    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,...
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  • High Temperature Resistant Seamless Steel Pipe

    High Temperature Resistant Seamless Steel Pipe

      High temperature resistant cold drawn seamless steel pipe with excellent high temperature oxidation resistance. It has high temperature strength, oxidation resistance, carburization resistance, acid resistance, alkali resistance, tensile strength and wear resistance. The continuous use tem...
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  • 24″ ERW Steel Pipe Production Process

    24″ ERW Steel Pipe Production Process

    Raw material characteristics: ·Pure steel, stable chemical composition, stable performance of steel grade; ·High precision of coil size, good shape control and good surface quality of coil. Online detection technology: ·Ultrasonic board detection: detect layered defects and longitudinal long defe...
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  • Flange Gaskets Types

    Flange Gaskets Types

    1. Metallic gaskets There are three main types: (1)Octagonal and oval gaskets. They are suitable for the flange sealing surface with trapezoidal grooves. (2)Gaskets with the tooth profile. The conical tooth ripple is machined on the sealing surface of metal flat gaskets, suitable for the male and...
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  • What temperature is suitable for 304 antibacterial stainless steel plate?

    What temperature is suitable for 304 antibacterial stainless steel plate?

    We all know that antibacterial stainless steel material is resistant to high temperature and corrosion, so at what temperature is 304 antibacterial stainless steel plate suitable for use? The use temperature of 304 antibacterial stainless steel plate is 190~860 degrees Celsius, but in actual use,...
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  • Thick-walled Elbow

    Thick-walled Elbow

    The thick-walled elbow connecting pipe member comprises an arc-shaped elbow, which is characterized in that there is a split-through straight connection on the curved elbow. Thick wall elbows are made of cast iron, stainless steel, alloy steel, calcinable cast iron, carbon steel, non-ferrous meta...
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  • Small-diameter Welded Pipe

    Small-diameter Welded Pipe

    The small-diameter welded pipe is also called small-diameter welded steel pipe, which is a steel pipe made by welding a steel plate or a strip steel after being crimped. The production process of small diameter welded pipe is simple, the production efficiency is high, there are many varieties and...
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