There are different methods for cutting stainless steel heat exchange tubes, each with its own advantages and disadvantages. It is necessary to choose the appropriate method to ensure that the performance of the cut tube is not affected. Grinding wheel cutting → conventional cutting, batch processing Easy to operate, low cost, fast cutting speed, but may produce burrs that require further processing, and sparks that require protection. Laser cutting → [...]
The lower temperature tolerance range of stainless steel heat exchange tubes is determined by the material type! There are significant differences in the performance of heat exchange tubes made of different materials in low-temperature environments. 304 stainless steel heat exchange tube: It can maintain good toughness in extremely low temperature environments of -196 ℃ and is suitable for cryogenic equipment such as liquefied natural gas (LNG) storage tanks. Its austenitic [...]
What are the difficulties in quality control during the processing of stainless steel bright tubes? 1. Surface defect control: Cold processing can easily produce black spots and scratches, so it is necessary to strictly clean the rollers and molds; Impure annealing atmosphere may lead to oxidation color difference, and real-time monitoring of gas purity is required. 2. Dimensional accuracy guarantee: The wall thickness tolerance after cold rolling needs to be [...]
The redness of stainless steel heat exchange tubes is mainly due to oxidation, ranging from light yellow and light blue to deep red and purple black in severe cases. Therefore, the redness of the pipe needs to be solved by acid pickling and passivation, or by electrolytic polishing. Before operation, personnel must wear acid resistant gloves/face shields. When diluting sulfuric acid, "acid in water" is strictly prohibited from reverse operation! [...]
The high pressure resistance of stainless steel heat exchange tubes is excellent, which is related to material characteristics, manufacturing processes, and design parameters. Firstly, let's talk about the material selection. 304 stainless steel heat exchange tubes are suitable for medium and low pressure scenarios up to 2.5 MPa, with low cost and stable overall performance; 316L stainless steel heat exchange tubes have stronger pressure resistance (>6.4 MPa) due to the [...]
Why do stainless steel heat exchange tubes need frequent maintenance? Many people have this question. Daily maintenance is crucial for stainless steel heat exchange tubes for the following reasons: 1. Dirt deposition leads to a sudden drop in efficiency Calcium and magnesium ions in water can quickly precipitate hard scales such as calcium carbonate (CaCO3) at high temperatures. A 1mm scale layer can reduce the heat transfer efficiency of a [...]
There are different methods for cutting stainless steel heat exchange tubes, each with its own advantages and disadvantages. It is necessary to choose the appropriate method to ensure that the performance of the cut tube is not affected. Grinding wheel cutting → conventional cutting, batch processing Easy to operate, low cost, fast cutting speed, but may produce burrs that require further processing, and sparks that require protection. Laser cutting → [...]
The lower temperature tolerance range of stainless steel heat exchange tubes is determined by the material type! There are significant differences in the performance of heat exchange tubes made of different materials in low-temperature environments. 304 stainless steel heat exchange tube: It can maintain good toughness in extremely low temperature environments of -196 ℃ and is suitable for cryogenic equipment such as liquefied natural gas (LNG) storage tanks. Its austenitic [...]
What are the difficulties in quality control during the processing of stainless steel bright tubes? 1. Surface defect control: Cold processing can easily produce black spots and scratches, so it is necessary to strictly clean the rollers and molds; Impure annealing atmosphere may lead to oxidation color difference, and real-time monitoring of gas purity is required. 2. Dimensional accuracy guarantee: The wall thickness tolerance after cold rolling needs to be [...]
The redness of stainless steel heat exchange tubes is mainly due to oxidation, ranging from light yellow and light blue to deep red and purple black in severe cases. Therefore, the redness of the pipe needs to be solved by acid pickling and passivation, or by electrolytic polishing. Before operation, personnel must wear acid resistant gloves/face shields. When diluting sulfuric acid, "acid in water" is strictly prohibited from reverse operation! [...]
The high pressure resistance of stainless steel heat exchange tubes is excellent, which is related to material characteristics, manufacturing processes, and design parameters. Firstly, let's talk about the material selection. 304 stainless steel heat exchange tubes are suitable for medium and low pressure scenarios up to 2.5 MPa, with low cost and stable overall performance; 316L stainless steel heat exchange tubes have stronger pressure resistance (>6.4 MPa) due to the [...]
Why do stainless steel heat exchange tubes need frequent maintenance? Many people have this question. Daily maintenance is crucial for stainless steel heat exchange tubes for the following reasons: 1. Dirt deposition leads to a sudden drop in efficiency Calcium and magnesium ions in water can quickly precipitate hard scales such as calcium carbonate (CaCO3) at high temperatures. A 1mm scale layer can reduce the heat transfer efficiency of a [...]
