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Why do steel pipes need heat treatment
The role of heat treatment is to improve the mechanical properties of steel pipes and precision steel pipes, eliminate residual stress, and improve the cutting performance of steel pipe metal. According to the different purposes of heat treatment, heat treatment processes can be divided into two ...Read more -
Heat treatment of stainless steel pipes
1. What are the characteristics of heat treatment of martensitic stainless steel? Answer: Martensitic stainless steel includes Cr13 type (low carbon and medium carbon), Cr17Ni type (low carbon), and Cr18 type (high carbon). Its heat treatment process includes annealing, quenching + tempering, str...Read more -
Connection of square steel pipes and related precautions
First, how to overlap square steel pipes Square steel pipes are widely used, including structural square steel pipes, decorative square steel pipes, building square steel pipes, mechanical square steel pipes, etc. When used, it is usually necessary to overlap multiple square steel pipes together,...Read more -
Guide to Buying Stainless Steel Pipes
First, what materials are available on the market, and what are the differences in quality? Currently, there are mainly 304, 201, and 301 materials on the market. The difference is mainly caused by the different contents of chromium and nickel. Material 304 contains 18 chromium and 8-9 nickel, wh...Read more -
Characteristics and applications of thick-walled stainless steel seamless pipes
First, what are the characteristics of thick-walled stainless steel seamless pipes? Stainless steel thick-walled pipes are common thick-walled pipes with a wide range of industrial applications. Since stainless steel thick walls have good pressure-bearing and corrosion-resistant properties, they ...Read more -
Introduction to nondestructive testing of pressure vessels such as boiler steel pipes
Pressure vessels such as boiler steel pipes and pressure vessel components often have defects that are difficult to detect, such as lack of fusion, lack of penetration, slag inclusions, pores, cracks, etc. in the welds. It is impossible to conduct destructive inspections on each boiler or pressur...Read more