• 321 Stainless Steel Seamless Tubing System 1
  • 321 Stainless Steel Seamless Tubing System 2
  • 321 Stainless Steel Seamless Tubing System 3
321 Stainless Steel Seamless Tubing

321 Stainless Steel Seamless Tubing

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
5 Tons m.t.
Supply Capability:
1000 Tons Per Month m.t./month

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Stainless Steel Seamless Pipe 

APPLICATION:

Construction industry.

Chemical industry

Water tube

Pulp&Paper making industry

Heat exchanger tube,boiler tube,condenser tube,etc.

Available size range of Stainless Steel Seamless Pipe

OUTSIDE DIAMETER

WALL THICKNESS

INCH

MM

Sch10

Sch40

STD

Sch80

XS

Sch160

XXS

1/8"

10.29 

1.24 

1.73 

1.73 

2.41 

2.41 

-

-

1/4" 

13.72 

1.65 

2.24 

2.24 

3.02 

3.02 

-

-

3/8”  

17.15 

1.65 

2.31 

2.31 

3.20 

3.20 

-

-

1/2"  

21.34 

2.11 

2.77 

2.77 

3.73 

3.73 

4.78 

7.47 

3/4 " 

26.67 

2.11 

2.87 

2.87 

3.91 

3.91 

5.56 

7.82 

1'' 

33.40 

2.77 

3.38 

3.38 

4.55 

4.55 

6.35 

9.09 

1.1/4" 

42.16 

2.77 

3.56 

3.56 

4.85 

4.85 

6.35 

9.70 

1.1/2'' 

48.30 

2.77 

3.68 

3.68 

5.08 

5.08 

7.14 

10.15 

2" 

60.30 

2.77 

3.91 

3.91 

5.54 

5.54 

8.74 

11.07 

2 1/2" 

73.03 

3.05 

5.16 

5.16 

7.01 

7.01 

9.53 

14.02 

3" 

88.90 

3.05 

5.49 

5.49 

7.62 

7.62 

11.13 

15.24 

3 1/2” 

101.60 

3.05 

5.74 

5.74 

8.08 

8.08 

-

-

4'' 

114.30 

3.05 

6.02 

6.02 

8.56 

8.56 

13.49 

17.12 

5” 

141.30 

3.40 

6.55 

6.55 

9.52 

9.52 

15.88 

19.05 

6" 

168.30 

3.40 

7.11 

7.11 

10.97 

10.97 

18.26 

21.96 

8'' 

219.08 

3.76 

8.18 

8.18 

12.70 

12.70 

23.01 

22.23 

10”

273.05 

4.19 

9.27 

9.27 

15.08 

12.70 

28.58 

25.40 

12" 

323.85 

4.57 

9.52 

9.53 

17.45 

12.70 

33.32 

25.40 

14" 

355.60 

4.78 

11.13 

9.53 

19.05 

12.70 

35.71 

-

16" 

406.40 

4.78 

12.70 

9.53 

21.44 

12.70 

40.49 

-

18" 

457.20 

4.78 

14.27 

9.53 

23.83 

12.70 

45.24 

-

20" 

508.00 

5.54 

15.09 

9.53 

26.19 

12.70 

50.01 

-

22" 

558.80 

5.54 

-

9.53 

28.58 

12.70 

53.98 

-

24" 

609.60 

6.35 

17.48 

9.53 

30.96 

12.70 

59.54 

-

Note : We can also produce the sizes beyond this table according to the requirements of customers

Q: Can stainless steel sheets be used as a backsplash in kitchens?
Stainless steel sheets are indeed suitable for use as backsplashes in kitchens. The durability, heat resistance, and low-maintenance nature of stainless steel make it a popular option for this purpose. It can endure stains, water, and rust, making it particularly well-suited for areas prone to spills and splatters. Moreover, cleaning stainless steel sheets is a breeze, as they can be easily wiped down with soap and water or stainless steel cleaner, ensuring a hygienic and sanitary environment in the kitchen. Additionally, the sleek and contemporary appearance of stainless steel adds a touch of modernity to any kitchen decor. In summary, opting for stainless steel sheets as a backsplash is both practical and stylish.
Q: What are the different types of etched finishes available for stainless steel sheets?
There are several different types of etched finishes available for stainless steel sheets, each providing a unique and distinctive appearance. Some of the most common etched finishes include: 1. Brushed Finish: This is a popular etched finish that creates a uniform and linear texture on the surface of the stainless steel sheet. It is achieved by brushing the sheet with a fine abrasive material, resulting in a smooth and satin-like appearance. 2. Bead Blasted Finish: In this etched finish, small glass or ceramic beads are blasted onto the surface of the stainless steel sheet at high pressure. This process creates a non-directional and uniform texture, giving the sheet a matte and slightly rough appearance. 3. Mirror Finish: Also known as a No. 8 finish, this etched finish creates a highly reflective and mirror-like surface on the stainless steel sheet. It is achieved through a series of grinding, buffing, and polishing processes, resulting in a flawless and shiny appearance. 4. Satin Finish: This etched finish is similar to a brushed finish but has a finer and smoother texture. It is achieved by using a finer abrasive material during the brushing process, resulting in a soft and elegant appearance. 5. Patterned Finish: This etched finish involves creating various patterns or designs on the surface of the stainless steel sheet. It can be achieved through techniques such as laser etching, chemical etching, or embossing, allowing for a wide range of creative and customizable options. These different etched finishes offer a variety of aesthetic choices for stainless steel sheets, allowing them to be used in various architectural, decorative, and industrial applications. The choice of finish depends on the desired appearance, functionality, and intended use of the stainless steel sheet.
Q: Are stainless steel sheets suitable for pharmaceutical cleanrooms?
Yes, stainless steel sheets are highly suitable for pharmaceutical cleanrooms. Stainless steel is a preferred material in cleanroom environments due to its inherent qualities such as corrosion resistance, durability, and ease of cleaning. It is non-porous, making it resistant to bacteria, mold, and other contaminants. Additionally, stainless steel is able to withstand frequent sanitization procedures without deteriorating, making it a reliable choice for maintaining a clean and sterile environment in pharmaceutical cleanrooms.
Q: How are stainless steel sheets manufactured?
Stainless steel sheets go through a complex production process with multiple stages. Initially, raw materials such as iron ore, chromium, and nickel are melted in an electric arc furnace to eliminate impurities and create a molten metal. Next, the molten metal is cast into slabs or billets. These slabs undergo hot rolling, where they are passed through rollers to reduce thickness and increase length. This rolling process also refines the grain structure, resulting in a more uniform steel. After hot rolling, the steel is pickled and annealed to remove any scale or impurities and reduce internal stresses. Pickling involves immersing the steel in acid to remove surface oxide, while annealing is a heat treatment process. Following pickling and annealing, the steel undergoes cold rolling at room temperature to further reduce thickness and improve surface finish. This step also imparts desired mechanical properties to the stainless steel sheets. Once the desired thickness is achieved, the sheets are subjected to various finishing processes. These may include surface treatments like polishing, embossing, or etching to enhance appearance and texture. Additionally, cutting techniques like shearing or laser cutting can be employed to achieve the desired size. Lastly, quality control checks are conducted to ensure the sheets meet required specifications. This involves inspecting dimensions, surface finish, and mechanical properties. Once approved, the sheets are packaged and distributed to industries that utilize stainless steel. In conclusion, the manufacturing process of stainless steel sheets involves melting, casting, hot rolling, pickling, annealing, cold rolling, and finishing. This meticulous process guarantees the production of high-quality sheets with exceptional corrosion resistance, strength, and aesthetic appeal.
Q: What are the different types of embossed patterns available for stainless steel sheets?
Stainless steel sheets offer a variety of embossed patterns to choose from. Some of the commonly seen options are as follows: 1. Diamond Pattern: This pattern showcases a series of diamond-shaped raised protrusions on the sheet's surface. It is a popular choice as it adds visual interest and texture to various applications. 2. Linen Pattern: The linen pattern features parallel lines that create a textured appearance resembling linen fabric. Architects and interior designers often utilize this pattern due to its unique aesthetic. 3. Squares Pattern: As the name suggests, this design consists of square-shaped raised protrusions on the stainless steel sheet. It provides a clean and modern look, suitable for a wide range of applications. 4. Leather Pattern: The leather pattern imitates the texture and appearance of leather, adding elegance and sophistication to stainless steel sheets. It is a favored choice for decorative purposes. 5. Moire Pattern: The moire pattern creates a wavy or rippled design, resulting in an optical illusion effect. It adds a dynamic visual element to stainless steel sheets, making them stand out. 6. Checkerplate Pattern: This pattern consists of raised squares or rectangles arranged in a checkered pattern. Its high slip resistance makes it ideal for applications where safety is crucial, such as stairs or ramps. These examples represent only a fraction of the embossed patterns available for stainless steel sheets. The choice of pattern depends on aesthetic preference, functionality, and specific application requirements. Whether for architectural, interior design, or industrial purposes, there is a wide range of embossed patterns to cater to various needs.
Q: How are stainless steel sheets measured?
Stainless steel sheets are measured using various parameters to determine their size, thickness, and dimensions. The most common method of measuring stainless steel sheets is by using gauge thickness. The gauge is a measurement unit used to determine the thickness of the sheet metal. The higher the gauge number, the thinner the sheet. For example, a 16 gauge stainless steel sheet would be thicker and more durable than a 24 gauge sheet. The gauge measurement is often accompanied by the corresponding thickness in inches or millimeters, making it easier to understand the actual dimensions of the sheet. Apart from gauge, stainless steel sheets are also measured by their length and width. These measurements are usually given in feet, inches, or meters. The length and width of the sheet can vary depending on the specific requirements of the project or application. In addition to gauge, length, and width, stainless steel sheets may also have a specific finish or surface texture. These finishes include a variety of options such as brushed, mirror, or textured finishes, which can enhance the appearance and functionality of the stainless steel sheet. In summary, stainless steel sheets are measured using gauge thickness to determine their thickness and durability. The length and width are measured in feet, inches, or meters, and the sheet may have specific finishes or surface textures to meet different requirements.
Q: What is the impact strength of stainless steel sheets?
The impact strength of stainless steel sheets may vary based on several factors, including the grade and thickness of the stainless steel and the specific conditions under which the impact occurs. Stainless steel possesses inherent properties that contribute to its good level of impact strength, such as high tensile strength and ductility. Stainless steel is renowned for its ability to endure impacts and resist deformation, making it a favored material in industries where durability is crucial. It demonstrates exceptional resistance to impact loading, enabling it to withstand sudden impact forces without fracturing or breaking. Consequently, stainless steel sheets are well-suited for applications that demand high impact resistance, such as structural components, automotive parts, and machinery. Nevertheless, it is important to note that impact strengths may differ among various grades of stainless steel. Austenitic stainless steels (e.g., 304 and 316), for instance, exhibit excellent impact resistance due to their elevated nickel and chromium content. Conversely, ferritic and martensitic stainless steels may possess slightly lower impact strengths. Moreover, the thickness of the stainless steel sheet also influences its impact strength. Thicker sheets generally offer greater impact resistance compared to thinner ones, as they can absorb more energy before yielding or fracturing. It is worth mentioning that the impact strength of stainless steel can be further improved through additional methods, such as heat treatment and alloying. These processes enhance the material's toughness and resistance to impact loading. In conclusion, stainless steel sheets possess favorable impact strength that suits many applications. However, it is advisable to consult specific grade and thickness specifications, as well as any relevant industry standards or regulations, to determine the precise impact strength requirements for a particular application.
Q: Are stainless steel sheets recyclable?
Indeed, stainless steel sheets possess high recyclability. This sustainable and eco-friendly material can be recycled endlessly, maintaining its properties intact. The process of recycling entails gathering and organizing stainless steel scraps, melting them, and subsequently employing the resulting material to fabricate fresh stainless steel products, notably sheets. By recycling stainless steel sheets, not only are we preserving natural resources and diminishing waste, but we are also conserving energy and mitigating greenhouse gas emissions linked to the manufacturing of new stainless steel.
Q: Is there a big price difference between the SUS304 stainless steel plate and the drawing plate?
The ordinary 304 stainless steel plate and the processed 304 drawing stainless steel plate, the price difference is not very big. You can consult the specific price.
Q: How are stainless steel sheets used in the construction industry?
Stainless steel sheets are extensively used in the construction industry due to their remarkable properties and versatility. These sheets are mainly utilized for their durability, corrosion resistance, and aesthetic appeal. One of the primary applications of stainless steel sheets in construction is for roofing and cladding purposes. They are commonly used for roof panels, wall panels, and façade systems. Stainless steel sheets provide excellent protection against weather elements, such as rain, snow, and UV rays. They also offer resistance to corrosion, ensuring the longevity of the building's exterior. Additionally, stainless steel sheets are frequently employed in the construction of architectural structures like bridges and tunnels. Their high strength-to-weight ratio makes them suitable for such applications. Stainless steel sheets can withstand heavy loads and provide reliable support, ensuring the structural integrity of these infrastructures. Moreover, stainless steel sheets are utilized in the construction of interior components, such as elevator doors, escalators, and handrails. Their sleek and modern appearance adds a touch of elegance to the overall design. These sheets are also hygienic and easy to clean, making them ideal for applications in hospitals, laboratories, and food processing facilities. In summary, stainless steel sheets play a crucial role in the construction industry. They are used for roofing, cladding, architectural structures, and interior components. With their exceptional durability, corrosion resistance, and aesthetic appeal, stainless steel sheets contribute to the longevity and aesthetic value of various construction projects.

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