There are many types of stainless steel pipes, and many people aren't aware of the difference between stainless steel decorative pipes and stainless steel sanitary pipes. So, let’s take a closer look at what sets stainless steel decorative pipes apart from stainless steel sanitary pipes!
　　Stainless steel sanitary tubes come into contact with food products. Since the objects they come into contact with are ingested by the human body, the quality requirements for these tubes are extremely stringent. They are primarily used in industries such as food processing, dairy production, brewing, salt production, beverage manufacturing, pharmaceuticals, and bioengineering. In terms of non-food applications, they are mainly employed in decorative projects like staircases and guardrails. The materials commonly used for stainless steel decorative tubes include 201 and 304, with smaller quantities of 301 and 316. Tube types include standard tubes, patterned tubes, and colored tubes.
　　1. Thickness: The thinnest actual thickness of sanitary pipes is 1 mm; commonly available thicknesses are 1.2 mm and 1.5 mm. However, the actual thickness of stainless steel decorative pipes generally falls below 1.2 mm.
　　2. Internal and External Welding Treatment: When working with sanitary pipelines, both the inner and outer surfaces must be smooth and even. In other words, both internal and external welds need to be properly treated. However, for stainless steel decorative pipes, only the external surface needs to be treated.
　　3. Grinding: Sanitary pipes require grinding both internally and externally, while decorative pipes generally require grinding only on the exterior.
　　4. Scope of Application: Sanitary pipelines are primarily suitable for food engineering, beverage engineering, and the like; stainless steel decorative pipelines are mainly used for stair handrails, guardrails, anti-theft windows, villa security fences, and similar applications.
　　Stainless steel pipes are long steel products with a hollow cross-section and seamless peripheries. The thicker the wall, the more economical and practical the pipe becomes; conversely, the thinner the wall, the significantly higher the processing costs. The technical characteristics of this product determine its ultimate performance—generally, seamless steel pipes have lower precision. Black spots are difficult to remove, and their inspection and shaping must be carried out offline. Wall thickness variations are common, resulting in low surface brightness both inside and outside the pipe. Moreover, fixed-length pipes tend to be more expensive. Additionally, both the inner and outer surfaces often exhibit pitting. Stainless steel sanitary pipes are primarily used in production equipment and pipelines for beverages, alcoholic drinks, bioengineering, food processing, and other similar industries.
　　Most sanitary stainless steel pipes are made from 304 stainless steel tubing. As one of the most versatile types of steel, 304 stainless steel sanitary pipes exhibit excellent corrosion resistance, heat resistance, low-temperature strength, and mechanical properties. They also have good formability for stamping, bending, and hot working. According to national standards, these pipes are primarily used in water supply and drainage systems, as well as in hot water, cold water, heating, and direct drinking water applications. They do not undergo hardening upon heat treatment (non-magnetic, with a service temperature ranging from -196°C to 800°C). These pipes can be applied in a wide range of fields, including household items (such as tableware, kitchen cabinets, indoor piping, water heaters, boilers, bathtubs, automotive parts, windshields, scarves, and plastics), medical devices, construction materials, the chemical industry, the food industry, agriculture, and shipbuilding components.
　　In short, there isn't much difference in material between stainless steel decorative tubes and stainless steel sanitary tubes. When choosing stainless steel decorative tubes, it’s more reassuring to go with a reputable, established manufacturer of stainless steel pipes that offers after-sales service. The key factor lies in production technology—stainless steel sanitary tubes are subject to far stricter standards than stainless steel decorative tubes.
　　The above is an introduction to the differences between stainless steel decorative tubes and stainless steel sanitary tubes. If you’d like to learn more, feel free to contact us anytime!