February 8, 2022

Introduction to the knowledge of seamless steel pipes and welded pipes

Seamless steel pipes are widely used. The general-purpose seamless steel pipe is rolled from ordinary carbon structural steel, low-alloy structural steel or alloy structural steel. .2. According to different uses, it is divided into three categories: a. According to chemical composition and mechanical properties; b. According to mechanical properties; C. […]
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January 24, 2022

Mechanical properties of steel pipes

The mechanical properties of steel are important indicators to ensure the end-use properties (mechanical properties) of steel, which depend on the chemical composition and heat treatment system of the steel. In the steel pipe standard, according to different use requirements, the tensile properties (tensile strength, yield strength or yield point, […]
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January 12, 2022

Various inspection methods of oil casing

Petroleum casing is a high-end product produced by steel pipes. There are many varieties of casing, and there are many types and requirements of casing pipe end buttons. The button types that can be processed include STC, LC, BC,and other button types. The production and installation process of oil casing […]
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January 4, 2022

Inspection test of tubing and casing

Inspection, test Test equipment In order to ensure that all products meet the requirements of this standard, the manufacturer shall determine the appropriate calibration frequency for the test equipment. If the equipment required to be calibrated or verified in accordance with the provisions of this standard is in an abnormal […]
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December 29, 2021

Detailed explanation of Pipe and Tube

PIPE is a circular section tube conforming to ASME B36.10M and ASME B36.19M. There are some special PIPEs that do not meet the dimensions in these tables, as well as circular tubes. The nominal outer diameter corresponds to the actual outer diameter. A TUBE is a hollow object with a […]
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December 21, 2021

Tubing coupling requirements

The coupling should be a seamless pipe, and its steel grade, type and heat treatment should be the same as that of the pipe. When the coupling is electroplated, the electroplating process should be controlled to minimize hydrogen absorption. The structure of the tubing coupling is: the end of the […]
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December 13, 2021

Detailed introduction of 16Mn seamless pipe

16Mn seamless steel pipe is a relatively important material for seamless steel pipe, and it is also a relatively useful steel. Recently, especially in capital construction pipelines, houses, and railway bridges, it has given full play to a relatively huge effect. Generally, the original factory paints the color code on […]
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December 8, 2021

Knowledge and understanding of carbon steel pipes

Carbon steel pipe is made of steel ingots or solid round steel through perforation into capillary tube, and then made by hot rolling, cold rolling or cold drawing. Carbon steel pipe has an important position in my country’s steel pipe industry. General carbon steel pipe: It is made of 10, […]
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