304 Stainless Steel Seamless Pipe in Wuxi ,China
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 6 m.t.
- Supply Capability:
- 25000 m.t./month
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Item specifice
316 stainless steel pipe
Product Description
Name | Stainless Steel Seamless & Welded Tube &Pipe | |||||
Items | Square tubes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittings | |||||
Standard | ASTM A554, A249, A269 and A270 | |||||
Material Grade | 201: Ni 0.8%~1% | |||||
202: Ni 3.5%~4.5% | ||||||
304: Ni 8%, Cr 18% | ||||||
316: Ni 10%, Cr 18% | ||||||
316L: Ni10%~14% | ||||||
430: Cr16%~18% | ||||||
Outer Diameter | 9.53mm--159mm | |||||
Thickness | 0.3mm - 3.0mm | |||||
Length | 6m or as customers' request | |||||
Tolerance | a) Outer Diameter: +/- 0.2mm | |||||
b) Thickness: +/- 0.02mm | ||||||
c) Length: +/- 5mm | ||||||
Surface | 180G, 240G, 320G Satin / Hairline 400G, 600G Mirror finish | |||||
Application | handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc | |||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
Chemical Composition of Material | Material
Composition | 201 | 202 | 304 | 316L | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
Mo | 2.0-3.0 | |||||
Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
Hardness (HV) | <105< span=""> | <100< span=""> | <90< span=""> | <90< span=""> |
Mechanical Properties: MaterialY.S(N/MM2)T.S(N/MM2)ElongationHRB304>205>520>40<95304L>175>480>40<90316>205>520>40<90316L>175>480>40<90430>205>450>22<89
Applications: SurfaceApplication2BMedical equipment, Food industry, Construction material, Kitchen utensils.BAKitchen utensils, Electric equipment, Building construction.No.1Chemical tank, pipe.No.4Kitchen utensils, Building construction,Medical equipment.HLBuilding Construction.
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- Q:
- Indeed, the resistance of stainless steel pipes to corrosion caused by sea water is highly remarkable. The exceptional corrosion resistance of stainless steel is widely recognized, which makes it an optimal material for various applications, including pipes utilized in marine settings. The presence of elevated levels of chromium and nickel in stainless steel results in the formation of a protective layer on the metal's surface, effectively preventing corrosion and damage caused by exposure to sea water. Moreover, stainless steel pipes also exhibit resistance against other forms of corrosion, such as rusting and pitting, thereby further augmenting their durability and longevity in marine environments. Consequently, stainless steel pipes prove to be a dependable option for applications involving contact with sea water.
- Q:
- Stainless steel pipes are an excellent choice for food storage tanks due to their high suitability. They possess remarkable corrosion resistance, making them ideal for the storage of food and beverages. Unlike other materials, stainless steel pipes guarantee the safety and quality of the stored food as they do not release any harmful substances. Moreover, their easy maintenance and cleaning contribute to maintaining proper hygiene in food storage tanks. Additionally, stainless steel pipes are durable and capable of withstanding high temperatures, ensuring the longevity and reliability of the tanks. In conclusion, stainless steel pipes are the preferred option for food storage tanks due to their sanitary properties, corrosion resistance, and durability.
- Q:Why can't stainless steel be put together with carbon steel tube?
- Potential difference: the stainless steel pipe with a more positive potential and the carbon steel pipe with negative potential are even connected. The stainless steel tube is cathode, and the carbon steel tube is anode. The greater the potential difference between the two, the greater the galvanic corrosion tendency.
- Q:
- Yes, stainless steel pipes can be cold worked. Cold working is a process in which the metal is deformed at room temperature, typically through processes like bending, drawing, or rolling. Stainless steel's excellent mechanical properties and ductility make it well-suited for cold working, allowing for the creation of complex shapes and designs while retaining its strength and corrosion resistance.
- Q:
- Yes, stainless steel pipes can be insulated with polyetherimide. Polyetherimide (PEI) is a high-performance thermoplastic that has excellent thermal stability and insulating properties. It can be used as an insulation material for various applications, including pipe insulation. PEI offers good resistance to heat, chemicals, and electrical conductivity, making it suitable for insulating stainless steel pipes in different industries such as oil and gas, chemical processing, and aerospace. Additionally, PEI has a high glass transition temperature, which allows it to withstand high temperatures without melting or deforming, further enhancing its suitability for insulating stainless steel pipes.
- Q:
- To prevent stainless steel pipes from corroding, there are several measures you can take: 1. Choose the right grade of stainless steel: Different grades of stainless steel have varying levels of corrosion resistance. It is important to select a grade that is suitable for the specific environment in which the pipes will be used. For more corrosive environments, higher grades such as 316 stainless steel are recommended. 2. Proper installation and maintenance: Ensure that the pipes are installed correctly, with appropriate gaskets, seals, and fittings to prevent any gaps or leaks that can allow moisture or corrosive substances to penetrate. Regularly inspect and maintain the pipes to identify and repair any damage or potential sources of corrosion. 3. Keep the pipes clean and dry: Regular cleaning of stainless steel pipes helps remove any contaminants or corrosive substances that may have accumulated. Avoid using harsh chemical cleaners that can damage the protective oxide layer on the surface of the stainless steel. Additionally, keeping the pipes dry by avoiding prolonged exposure to water or moisture can help prevent corrosion. 4. Apply protective coatings: Applying a protective coating or paint specifically designed for stainless steel can provide an additional layer of protection against corrosion. These coatings act as a barrier, preventing direct contact between the stainless steel and corrosive substances. 5. Cathodic protection: In certain cases where the pipes are exposed to highly corrosive environments, cathodic protection can be employed. This involves using sacrificial anodes or impressed current systems to protect the stainless steel from corrosion by diverting the electrical current away from the pipes. By following these preventive measures, you can significantly reduce the risk of corrosion in stainless steel pipes and prolong their lifespan.
- Q:
- Stainless steel pipes, unfortunately, do not have the ability to be electroplated. Electroplating is a technique that involves applying a layer of metal onto a conductive surface through the use of an electric current. Nevertheless, stainless steel is inherently corrosion-resistant because it contains chromium, which creates a protective layer on its surface. Consequently, electroplating is unnecessary for stainless steel pipes since they already possess the desired attributes of durability and corrosion resistance.
- Q:
- Yes, stainless steel pipes can be etched. Etching is a process of removing a thin layer of metal from the surface of the pipe to create a desired design or pattern. This is typically done using an acid or chemical solution that selectively dissolves the exposed metal. However, it is important to note that not all grades of stainless steel are equally suitable for etching. Austenitic stainless steels, such as 304 and 316, are commonly used for etching due to their corrosion resistance and ease of etching. Other factors that can influence the etching process include the composition and thickness of the stainless steel, as well as the etching method and conditions used.
- Q:
- Passivation in stainless steel pipes refers to the process of treating the surface of the pipes to remove any contaminants and enhance its corrosion resistance properties. It involves the use of chemical solutions or acids to remove iron particles and other impurities from the surface, creating a protective oxide layer that prevents further corrosion.
- Q:
- Yes, stainless steel pipes can be used for steam systems. Stainless steel is known for its excellent resistance to corrosion and high temperature, making it a suitable material for carrying steam. It can withstand the high pressure and temperature of steam without corroding or degrading, ensuring the efficiency and safety of the steam system. Additionally, stainless steel pipes have low thermal conductivity, which helps to minimize heat loss during steam transportation. Overall, stainless steel pipes offer durability, reliability, and longevity, making them a popular choice for steam systems in various industries.
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