steel tube

September 30, 2021

Common quality problems of steel pipes

The common quality problems of steel pipes are divided into the following categories: 1. The internal and external quality of steel pipes; 2. Quality problems of geometric dimensions; 3. Unqualified quality problems of physical and chemical properties; 4. Quality problems of tubing and casing threads; 5. Quality problems of users […]
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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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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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