• 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:What are the different types of surface finishes available for stainless steel sheets?
Stainless steel sheets offer a range of surface finishes, each with its own distinct qualities and uses. 1. The most commonly used finish for stainless steel sheets is No. 1 Finish. It is achieved through hot rolling and annealing, resulting in a rough, dull appearance with visible grain lines. No. 1 finish is ideal for applications where a rough surface texture is desired, such as in industrial or structural uses. 2. No. 2B Finish is obtained by cold rolling the stainless steel sheet after a No. 1 finish, followed by annealing and descaling. It has a smooth, reflective surface with a slight matte appearance. No. 2B finish is frequently chosen for applications that require a clean, aesthetically pleasing look, such as kitchen appliances, architectural accents, and decorative items. 3. Known as a brushed finish, No. 3 Finish is achieved by mechanically polishing the stainless steel sheet with abrasive materials. It creates a satin-like appearance with a unidirectional pattern of fine lines. No. 3 finish is often used for decorative purposes, such as in furniture, signage, and elevator doors. 4. No. 4 Finish is similar to No. 3 finish, but it is achieved by mechanically polishing the stainless steel sheet with finer abrasives. This produces a smoother, more refined surface with a low gloss. No. 4 finish is commonly chosen for applications that require good corrosion resistance and easy maintenance, such as kitchen equipment, automotive trim, and architectural components. 5. The most reflective and luxurious surface finish for stainless steel sheets is No. 8 Mirror Finish. It involves progressively polishing the metal with finer abrasives until a highly reflective mirror-like surface is achieved. No. 8 mirror finish is often selected for decorative and high-end applications, such as architectural accents, jewelry, and luxury consumer goods. 6. Embossed finishes involve stamping or pressing a pattern onto the stainless steel sheet, creating a textured surface. These finishes can range from simple designs to intricate patterns, offering both aesthetic appeal and improved slip resistance. They are commonly used in applications that require both functionality and visual interest, such as in flooring, countertops, and wall cladding. In summary, the choice of surface finish for stainless steel sheets depends on the desired appearance, functionality, and performance requirements of the specific application.
Q:Stainless steel without fingerprint processing how to get?
Anti fingerprint (also known as non fingerprint) stainless steel plate is a protective layer treatment process is extremely thin and solid formed on the surface of stainless steel by nano coating technology, the stainless steel surface can not only achieve the anti fingerprint effect, also can improve the anti corrosion resistance;
Q:What are the advantages of using stainless steel sheets in the medical industry?
There are several advantages of using stainless steel sheets in the medical industry. Firstly, stainless steel is highly resistant to corrosion, making it a durable and long-lasting material for medical equipment and instruments. This resistance to corrosion is crucial in maintaining sterile conditions and preventing the growth of bacteria or other harmful microorganisms. Additionally, stainless steel is easy to clean and sanitize, reducing the risk of cross-contamination. It is also non-reactive, meaning it does not release any harmful substances or chemicals into the medical environment. Lastly, stainless steel has a high strength-to-weight ratio, making it ideal for constructing lightweight yet sturdy medical devices. Overall, the use of stainless steel sheets in the medical industry ensures safety, hygiene, and reliability.
Q:How do you determine the grade of a stainless steel sheet?
The grade of a stainless steel sheet is determined based on its composition, physical properties, and performance characteristics. It is typically identified by a numerical code, such as 304 or 316, which indicates the specific alloy and its respective properties. This information can be obtained through various methods, including visual inspection, chemical analysis, and referencing industry standards and specifications.
Q:What are stainless steel sheets used for?
Stainless steel sheets serve a multitude of purposes in diverse industries. Their outstanding resistance to corrosion, durability, and attractive appearance make them highly sought after in both commercial and residential settings. Within the construction field, these sheets are utilized for roofing, cladding, and facades due to their ability to withstand harsh environmental conditions while providing a contemporary and sleek look. In the automotive industry, they are frequently employed in the construction of car bodies, exhaust systems, and decorative trims. Furthermore, stainless steel sheets find extensive use in the food and beverage sector, where their hygienic qualities make them ideal for kitchen equipment, countertops, and food processing machinery. Additionally, they are widely used in medical equipment, pharmaceuticals, and laboratory settings due to their resistance to corrosion and ease of cleaning. They are also employed in furniture, appliances, signage, and for decorative purposes, as they can be easily customized and molded into various shapes and sizes. All in all, stainless steel sheets are an adaptable material that fulfills a diverse array of requirements in different industries, owing to their strength, durability, and corrosion resistance properties.
Q:Are stainless steel sheets resistant to pitting corrosion?
Yes, stainless steel sheets are generally resistant to pitting corrosion due to the presence of chromium in their composition, which forms a protective oxide layer on the surface.
Q:What are the different finishes available for stainless steel sheets?
Stainless steel sheets come in various finishes, each offering a distinct appearance and level of protection. 1. The most basic and commonly used finish for stainless steel sheets is No. 1 Finish. It is achieved through hot-rolling, resulting in a rough and dull surface with visible grain lines. This finish is typically utilized in industrial applications where aesthetics are not a primary concern. 2. For a brighter and slightly reflective finish, No. 2B Finish is preferred. This cold-rolled finish boasts a smooth surface with a matte appearance, making it ideal for decorative purposes like architectural applications or kitchen appliances. 3. No. 4 Finish, also known as brushed or satin finish, possesses a distinctive look due to its fine polishing grit lines. It is commonly used for decorative applications, such as elevator doors or trim, as it can effectively conceal minor surface imperfections. 4. If a highly reflective finish is desired, No. 8 Mirror Finish is the way to go. It offers a smooth and shiny surface akin to a mirror's polish. This finish is commonly chosen for decorative purposes like architectural features or decorative trim. 5. The Hairline Finish provides a refined and elegant appearance with its fine, brushed texture resembling hair grain. It is commonly employed in decorative and architectural applications. 6. To add texture and visual interest to stainless steel sheets, the Embossed Finish is created through embossing or stamping, resulting in a pattern or design on the surface. This finish is often used for decorative purposes. It is important to note that the availability of these finishes may vary depending on the supplier and the specific grade of stainless steel being used.
Q:Can stainless steel sheets be used for medical sterilization equipment?
Yes, stainless steel sheets can indeed be used for medical sterilization equipment. Stainless steel is a popular material choice in the medical industry due to its excellent resistance to corrosion, high heat resistance, and durability. These features make stainless steel sheets ideal for various medical applications, including the construction of sterilization equipment. Stainless steel sheets can withstand high temperatures and repeated sterilization cycles without warping or degrading, making them suitable for autoclaves and other sterilization devices. Additionally, stainless steel is easy to clean and maintain, which is crucial for preventing the growth of bacteria or other harmful microorganisms. Thus, stainless steel sheets are commonly used in medical settings where sterilization equipment is required.
Q:Can stainless steel sheets be used in food processing?
Yes, stainless steel sheets are commonly used in food processing due to their hygienic properties, resistance to corrosion, and ease of cleaning, making them suitable for contact with food and ensuring food safety.
Q:What are the different types of embossed finishes available for stainless steel sheets?
There are several types of embossed finishes available for stainless steel sheets, including diamond, quilted, linen, and leather grain patterns. Each finish offers a unique texture and aesthetic appeal, allowing for various design options in different applications.

1. Manufacturer Overview

Location Zhejiang,China
Year Established 1999
Annual Output Value Above $9.3 millions
Main Markets Europe;Asia;South America
Company Certifications ISO9001:2000

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai
Export Percentage 0.3
No.of Employees in Trade Department 20
Language Spoken: English
b)Factory Information  
Factory Size: 200000m2
No. of Production Lines 8
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average

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