Product Information
-
Introduction of anti-corrosion of inner wall of large diameter steel pipe
1. Before processing all steel pipes, the steel plate on the inner wall of the large-diameter steel pipe should be trusted, and it is required to reach the metal luster (whitening). It should reach the sa2.5 standard required in the “Surface Rust Grade and Derusting Grad...Read more -
Things to note when purchasing straight seam steel pipes
First, purchasing needs to understand the types of steel pipes: 1. By type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. 2. Sectional shape classification of straight seam steel pipes: square pipe, rectangular pipe, elliptical pipe, flat elliptical pi...Read more -
Types and uses of welded steel pipes
1. Welded steel pipe for low-pressure fluid transportation is also called a general welded pipe, commonly known as clarinet. It is a welded steel pipe for conveying water, gas, air, oil and heating steam, and other generally lower pressure fluids and other purposes. 2. Galvani...Read more -
Basic requirements for the appearance of welds of straight seam steel pipes
1. The surface of the welding joint: A. Cracks, lack of fusion, pores, slag inclusion, and splashes are not allowed. B. The weld surface of pipes whose design temperature is lower than -29 degrees, stainless steel and alloy steel pipes with a greater tendency to hardening shal...Read more -
Five types of annealing methods in the steel pipe
1. Fully annealed Process: Heat the steel to 20~30℃ above Ac3, cool it slowly (with the furnace) after holding it for some time to obtain a heat treatment process (complete austenitization) close to the equilibrium structure. Complete annealing is mainly used for hypereutectoi...Read more -
How to determine the material of straight seam steel pipe
For the straight seam steel pipe, the material should belong to a steel product with a wide range of use frequency. It has a wide range of applications in engineering construction and equipment production! With the continuous improvement of market technology, the production pr...Read more -
Straight seam steel pipes procurement method and processing method
Straight seam steel pipe procurement method: 1. Purchasing needs to understand the types of steel pipes 1) Divided by type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. 2) Classification of cross-section shapes of straight seam steel pipes: square pip...Read more -
How to install galvanized steel pipe
First. According to the specific conditions of the diameter and pipeline, select the appropriate connection method 1. Welding: enter the installation at an appropriate time according to the progress of the site. Fix the bracket in advance, draw a sketch according to the actual...Read more -
Key points of internal thread tapping of stainless steel pipe fittings
1 Tap design and manufacture in the steel pipe fitting a. Choose a better tap material. Adding special alloy elements to ordinary high-speed tool steel can significantly improve the wear resistance and toughness of the tap. b. Coating titanium nitride coating into the surface ...Read more