Sanitary Stainless Steel Pipe
1. Ferritic stainless steel: such as 430, 430F, 436L, etc. Ferritic stainless steel belongs to austenitic stainless steel and is commonly used in less corrosive environments, such as kitchen equipment and bathroom equipment. Ferritic stainless steel has a lower price, but poor corrosion resistance.
2. Austenitic stainless steel: such as 304, 304L, 316, 316L, etc. Austenitic stainless steel belongs to austenitic ferrite duplex stainless steel, which has good corrosion resistance and strength, but its price is relatively high.
3. Martensitic stainless steel: such as 409L, 410, 420J2, etc. Martensitic stainless steel is a ferritic stainless steel with good strength and toughness, but its price is high.
4. Duplex stainless steel: such as 401, 411, 440, etc. Duplex stainless steel belongs to austenitic ferrite duplex stainless steel, which has good corrosion resistance and strength, but its price is relatively high.
Advantage
1、 Corrosion resistance
Stainless steel, as an excellent material, has strong corrosion resistance and will not release harmful substances. Food grade stainless steel pipes are manufactured by adding chromium, which can prevent surface rust and corrosion of the pipes. In the fields of chemical product production and bacterial treatment, this type of pipeline can be used for a long time in liquid or gas media without corroding and polluting the substances it transports.
At the same time, food grade stainless steel pipes also have the characteristic of high temperature resistance. Usually, food processing needs to be completed in a high-temperature environment, and iron or plastic pipes are difficult to withstand high temperatures and are prone to deformation or melting. In contrast, food grade stainless steel pipes can maintain their original form and will not warp or expand at high temperatures, ensuring the safety and stability of the production process.
2、 Antibacterial properties
The surface of food grade stainless steel pipes is very smooth, making it difficult for bacteria to grow during the production process. At the same time, due to the addition of chromium, the surface has strong antibacterial properties. Research has shown that the use of food grade stainless steel pipes can reduce bacterial contamination in the food industry, which plays a significant role in ensuring the quality and safety of food. In addition, in the manufacturing field of medical equipment, food grade stainless steel pipes are also widely used, such as operating rooms, testing rooms, and other sensitive areas.
3、 Not easily contaminated
Food grade stainless steel pipes are mainly used in production processes such as food, medicine, and cosmetics, so it is important that they do not cause any pollution to the substances flowing through the pipes. The manufacturing process of food grade stainless steel adopts very strict material selection and production specifications, with smooth surfaces and high-quality materials to ensure the quality and durability of the pipeline, without any adverse effects on the substances flowing through the pipeline.
4、 Reliable strength
Food grade stainless steel pipes have reliable strength and durability, excellent tensile strength and torsion resistance, and can be used for a long time without failure after correct installation and use. Food grade stainless steel pipes are not easily damaged or ruptured, and can maintain their original strength and elasticity even under high temperature and pressure. In addition, food grade stainless steel pipes can be cut into various shapes and sizes to meet different production requirements, making them widely applicable in food processing and production processes.
Product Details
Food grade stainless steel pipes, also known as sanitary grade stainless steel pipes or stainless steel sanitary grade pipes; According to different usage conditions, it is divided into sanitary grade seamless pipes and sanitary grade seamless pipes; In terms of appearance, it can be divided into circular tubes, square tubes, rectangular tubes, elliptical tubes, and so on.
Stainless steel pipes are divided into food grade stainless steel pipes and industrial grade stainless steel pipes. Food grade stainless steel pipes that come into direct contact with food and beverage must meet food safety requirements. Usually, some foods are added with acids or alkalis during the production process, which requires the use of sanitary grade stainless steel pipes. Most types of stainless steel contain harmful metal elements that are not suitable for the production of food grade steel pipes. Non food grade stainless steel pipes will release various harmful elements such as chromium, lead, sulfur, phosphorus, etc. that are harmful to the human body during contact with food.
The commonly recommended grade for food grade stainless steel pipes is 304316L; The widely used 304 has excellent comprehensive properties such as corrosion resistance and formability. To ensure its corrosion resistance, it must contain over 18% chromium and over 8% nickel. In addition to corrosion resistance and formability, it also has advantages such as high temperature resistance, good processing performance, and high toughness, and is widely used in industries such as food and beverage, home decoration, pharmaceuticals, medical treatment, and drinking water.
Process treatment of food grade stainless steel pipes: In addition to certain requirements for material, food grade stainless steel pipes also have requirements for the inner and outer surfaces of the pipes, usually requiring BA grade. After BA level treatment, the inner and outer surfaces of the pipes have a high smoothness, and mesons are not easily trapped on the pipes, which is conducive to flushing, especially in industries such as pharmaceuticals and food processing.
Product Parameters
Chemical Material Composition of SS 304 seamless pipes | ||||||||||
Grade | Mn | C | P | Si | Cr | S | Ni | Mo | N | |
Stainless Steel 304 Seamless Pipe | minimum | – | – | – | – | 18 | – | 8 | – | – |
maximum | 2 | 0.08 | 0.045 | 0.75 | 20 | 0.03 | 10.5 | 0.1 |
Yield Strength of asme sa312 grade 304 pipes | |||||
Grade | Strength of Yield 0.2% Proof (MPa) minimum | Elongation (% in 50mm) minimum | Strength of Tensile (MPa) minimum | Pipes Hardness | |
Brinell (HB) maximum | Rockwell B (HR B) maximum | ||||
Stainless Steel 304 Seamless Pipe | 205 | 40 | 515 | 201 | 92 |
Product Name | Stainless steel tube / pipe |
Type | Seamless or Welded |
Material (ASTM) | 201 202 304 304L 309s 310s 316 316L 316TI 317L 321 904L S32205/custom |
Material (DIN) | 1.4301 1.4306 1.4541 1.4401 1.4404 1.4571 1.4539 1.44621.4410 1.4833 1.4845 |
Outter Diameter (OD) | 3-1220mm/custom |
Thickness | 0.5-50mm/custom |
Length | 6000mm 5800mm 12000mm or Customized |
Surface Finished | No.1 No.3 No.4 HL 2B BA 4K 8K 1D 2D |
Technique | Cold Drawn or Hot rolled |
Standard | ASTM AISI DIN JIS GB EN |
Application | Construction, Industry, decoration and foodstuff etc. |
Monthly Supply | 5000 Tons |
Delivery Time | 7-10 Working Days after Deposit |
Package | Plywood Case/Pallet or Other Export Package Suitable for Long Distance Shipping |
End/Edge | Plain Mill |
Service | OEM/ODM service |
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