GB T3087-2022 Seamless Steel Tubes for Low and Medium Pressure Boilers is one of the national standards of the People's Republic of China, which aims to standardize the production and quality control of seamless steel tubes for low and medium pressure boilers. This standard stipulates the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate requirements of seamless steel pipes for low and medium pressure boilers.
Seamless steel tube for low and medium pressure boiler is a kind of boiler tube, which is mainly used to manufacture various low pressure and medium pressure boilers and their supporting facilities. Due to its complex working conditions, it needs to withstand a variety of factors such as high temperature, high pressure, corrosion and wear, so the quality requirements for steel pipes are very high.
The GB T3087-2022 standard is formulated to standardize the production and quality control of seamless steel pipes for low and medium pressure boilers, improve the quality and reliability of steel pipes, and ensure the safe operation and service life of boilers. This standard is not only applicable to steel pipe manufacturers, but also to manufacturers and users who use seamless steel pipes for low and medium pressure boilers.
The main technical requirements for seamless steel tubes for low and medium pressure boilers include dimensional accuracy, shape, weight, chemical composition, mechanical properties, metallographic structure and non-destructive testing. Among them, dimensional accuracy and shape are the basic requirements of steel pipes, and weight involves the weight and use cost of steel pipes. The chemical composition and mechanical properties of steel pipes determine their corrosion resistance and high temperature resistance, while the metallographic structure affects their strength and toughness. Non-destructive testing is used to detect defects in the interior and surface of steel pipes to ensure their quality and reliability.
In the test methods of the GB T3087-2022 standard, various test methods and technical requirements are specified, such as tensile test, impact test, bending test, metallographic inspection, non-destructive testing, etc. These test methods are not only used to verify the quality of steel pipes, but also to evaluate the performance and reliability of steel pipes.
The inspection rules are one of the important contents of the GB T3087-2022 standard, which stipulates the inspection process and requirements for steel pipes. For each specification and use of steel pipes, the specified inspection items and quality requirements need to be carried out. The inspection rules not only guarantee the quality and reliability of the steel pipes, but can also be used to evaluate the quality control level of the manufacturer.
Packaging, marking and quality certificates are also important contents of the GB T3087-2022 standard. The packaging should be done in such a way that the steel pipe is not damaged during transportation and storage. Signs should be clear, visible, and easily recognizable and traceable. The quality certificate should include information on the specification, size, weight, chemical composition, mechanical properties, metallographic structure and non-destructive testing of the steel pipe, so that users and manufacturers can verify the quality and reliability of the steel pipe.
In conclusion, GB T3087-2022 seamless steel tubes for low and medium pressure boilers is one of the national standards of the People's Republic of China, which aims to standardize the production and quality control of seamless steel tubes for low and medium pressure boilers. The implementation of this standard will help to improve the quality and reliability of steel pipes, ensure the safe operation and prolong the service life of boilers. At the same time, the standard will also promote the healthy development of the steel pipe industry and improve the international competitiveness of China's steel pipe products.