Analysis of high temperature resistance of stainless steel pipe

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First, the high temperature resistance of stainless steel pipe

Stainless steel pipe is a kind of low carbon steel, has good corrosion resistance and oxidation resistance in high temperature environment. In general, the high temperature resistance of stainless steel pipes depends on their material and composition elements. At high temperatures, stainless steel pipes are mainly affected by oxidative corrosion and thermal stress. Generally speaking, the high temperature resistance of stainless steel pipes is above 600 ° C, of which 316 stainless steel pipes can reach about 800 ° C.

Second, the high temperature resistance of stainless steel pipes of different materials

1. 304 stainless steel pipe

304 stainless steel pipe is a commonly used stainless steel pipe. At room temperature, it has good corrosion resistance and oxidation resistance. At high temperatures, the corrosion resistance of 304 stainless steel pipes will be reduced, but the oxidation resistance is strong. Generally speaking, the high temperature resistance of 304 stainless steel pipes is about 870 ° C.

2. 316 Stainless steel pipe

316 stainless steel pipe is a kind of high temperature resistant stainless steel pipe. At high temperatures, it has good corrosion resistance and oxidation resistance. Generally speaking, the high-temperature temperature range of 316 stainless steel pipes is about 800 ° C.

3.321 stainless steel tube

321 stainless steel pipe is a kind of stainless steel pipe with high temperature corrosion resistance. It contains titanium, which improves its oxidation resistance at high temperatures. Generally speaking, 321 stainless steel pipe has a high temperature range of about 850 ° C.

Third, the application range of stainless steel pipe

Stainless steel pipes are widely used in petroleum, chemical, pharmaceutical, textile, food and other industries. In high temperature environment, stainless steel pipes are widely used in heat treatment, furnace parts, high temperature heat exchangers, hot gas flow pipes and other fields.

Fourth, precautions for stainless steel pipes

1. At high temperatures, stainless steel pipes are susceptible to thermal stress, resulting in deformation and cracking. Therefore, when installing and using stainless steel pipes, attention should be paid to controlling temperature and thermal shock.

2. At high temperatures, stainless steel pipes may be oxidized, hardened and brittle. Therefore, regular inspection and maintenance should be carried out during use to ensure its normal operation.

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