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1. carbon steel pipe: it has high strength and can meet most general requirements. Its strength and hardness can be changed by adjusting carbon content and adding other elements. It is widely used in mechanical structures, buildings and bridges.
2. Stainless steel pipe: good corrosion resistance, suitable for humid environment and places with serious chemical corrosion. It has excellent strength and toughness, and also has certain heat resistance. Suitable for food processing, chemical industry, medicine and ocean engineering.
3. Alloy steel pipe: mixed with various metal elements to improve its performance. It has high strength and mechanical properties and is suitable for working in heavy load and high temperature environment. Commonly used in oil and gas exploitation, as well as nuclear power plants and aerospace and other fields.
3. High-pressure steel pipe: a piping system designed to withstand high-pressure fluid or gas. Excellent strength and pressure resistance to prevent cracking and leakage. Widely used in hydraulic equipment, petrochemical and electric power fields. ? There is a certain correlation between the strength, toughness, thickness and bending capacity of steel pipes. Generally speaking, increasing the wall thickness of steel pipe can improve its strength and bending capacity. However, in some specific applications, too thick wall thickness may cause the material to be too brittle. Therefore, when selecting steel pipes, it is necessary to comprehensively consider the required strength, toughness and bending capacity, and weigh them according to the specific use environment and requirements.