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What is the difference between precision stainless steel pipes and finely rolled steel pipes

Update:2024-10-29      View(s):61        Keywords :What is the difference between precision stainless steel pipes and finely rolled steel pipes        
The reason why precision stainless steel pipes are called precision is because they have high precision and good tolerance control range. The wall thickness of precision pipes is uniform, the inner wall is smooth, and the surface is free of defects; the surface roughness is smoother than that of ordinary pipes. Fine-rolled steel pipes are also called cold-rolled precision steel pipes. They are a production process for seamless pipes. They have the characteristics of high precision and surface finish requirements, especially the seamless steel pipes for oil cylinders have higher quality requirements than other varieties. So, what is the difference between precision stainless steel pipes and finely rolled steel pipes?

First, characteristics
1. Fine rolled steel pipes
Cold-rolled precision steel pipes have high tolerance dimensional accuracy, product accuracy is controlled at ±0.5mm, inner and outer wall finish is good, and there is no oxide layer on the surface. It has excellent comprehensive performance, can withstand high pressure, cold bending, expansion, and flattening without cracking, no wrinkling, and can do various complex deformations and mechanical processing.
The promotion and application of precision seamless pipes can save steel, improve processing efficiency, reduce processing procedures and equipment investment, save costs and greatly save mechanical processing time, increase production and material utilization, and at the same time help improve product quality and reduce costs.
2. Precision stainless steel pipes
Precision stainless steel pipes contain elements such as chromium Cr, nickel Ni, and titanium Ti. Chromium can significantly improve the strength, hardness, wear resistance, oxidation resistance, and corrosion resistance of stainless steel, and is particularly evident in industrial use; nickel can improve the strength of stainless steel pipes, maintain the toughness of stainless steel, and has high corrosion resistance to acid and alkali. Acid and alkali environments have varying degrees of impact on the human respiratory tract, skin, and eyes, so the role of nickel is very important; titanium ensures the density of stainless steel pipes and avoids intergranular corrosion.

Second, function
1. Finished rolled steel pipes
Precision-rolled precision steel pipes are widely used in automobiles, motorcycles, electric vehicles, petrochemicals, electricity, ships, aerospace, bearings, pneumatic components, medium and low-pressure boilers, and other fields.
2. Precision stainless steel pipes
The demand for precision stainless steel pipes in electronic and mechanical applications is very huge. Stainless steel heat exchange tubes, stainless steel mechanical tubes, etc. are widely used. According to the survey data, the industrial development direction of the western region is pointed out, such as automobiles, machinery, electronics and electrical appliances, rail transportation, chemicals, petroleum, and other industries.

The machinery industry is mainly based on high-end CNC machine tools, functional components, and large precision castings. To pursue more durable and cost-effective products, electronic and mechanical applications will also take the road of precision in the future.
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