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Production process and advantages of hot-dip galvanized steel pipes
First, the production process of hot-dip galvanized steel pipes Hot-dip galvanized steel pipes, also known as hot-dip galvanized pipes, are steel pipes that are galvanized to improve their performance. The principle of its processing and production is to react molten metal with the iron matrix to...Read more -
Ways to connect galvanized steel pipes and issues to pay attention to
First, what are the ways to connect galvanized steel pipes When using galvanized steel pipes, usually not only one galvanized steel pipe is used. Sometimes two or more galvanized steel pipes need to be connected for use. This requires the correct connection method. So how many ways are there to c...Read more -
Quality defects of steel pipe sizing (reduction) and their prevention
The purpose of steel pipe sizing (reduction) is to size (reduce) the rough pipe with a larger diameter to the finished steel pipe with a smaller diameter and to ensure that the outer diameter and wall thickness of the steel pipe and their deviations meet the relevant technical requirements. The q...Read more -
Forming methods and connection types of large-diameter steel pipes
At present, the main production processes of large-diameter steel pipes in my country are hot-rolled large-diameter steel pipes and hot-expanded large-diameter steel pipes. The largest specifications of hot-expanded seamless steel pipes are 325 mm-1220 mm and the thickest is 120mm. Hot-expanded s...Read more -
Factors affecting the accuracy and resolution of the oil casing wall thickness detection
API standards stipulate that the inner and outer surfaces of import and export oil casings shall not have folds, separations, cracks, or scars. These defects should be thoroughly removed, and the removal depth should not be less than 12.5% of the nominal wall thickness. Oil casing must be fully...Read more -
How to prevent precision stainless steel pipe fittings from rusting
1. Do not come into contact with other metals, because stainless steel pipe fittings will be rusted by dissimilar metals, such as screws, etc. Although it is not serious at first, if you wipe it with a cloth and neutral detergent, the rust will be visible. 2. Another factor that causes stainless ...Read more