Stainless Steel 321 Seamless Pipe

Neeka Tubes is a leading manufacturer of Stainless Steel 321 Seamless Pipe. Offering high-quality products in various types. Including Round, Square, Rectangle, Coil “U” Shape. Stainless Steel 321 Seamless Pipe is made from a titanium-stabilized austenitic stainless steel. Known for its excellent resistance to high temperatures, oxidation and intergranular corrosion. This grade maintains strength and durability even in extreme conditions. This assure durable reliability and superior mechanical properties.

Our high-quality UNS S32100 Seamless Pipes, known for their excellent strength and durability. These pipes contain 9-12% Nickel and 17-19% Chromium providing outstanding corrosion and oxidation resistance. With a tensile strength of 515 MPa and yield strength of 205 MPa SS 321 ensures excellent mechanical performance. It also has a hardness of up to 95 HRB. Making it strong yet workable. These properties make SS 321 Seamless Pipes highly reliable for demanding conditions.

Stainless Steel 321 Seamless Pipe, SS 321 Seamless Pipe Suppliers, Buy Stainless Steel 321 Seamless Pipe Online, ASTM A312 SS 321 Seamless Pipe Price, Stainless Steel 321 Seamless Tube Manufacturer's

Stainless steel 321 seamless pipe for high-temperature applications.
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Stainless Steel 321 Seamless Pipe

Features of SS 321 Seamless Tubes:

  • Smooth Surface Finish: The 1.4541 SS 321 Seamless Pipes have a smooth polished surface. This also reduces the friction and guarantees smooth flow of fluids within the pipes. Thus, they are suitable for different industries.
  • Excellent Weldability: One of the important characteristics of Stainless Steel 321 seamless pipes is that they can be easily welded. In other words, it is a method of welding that does not require preheating or post-weld heat treatment.
  • Lightweight Yet Sturdy: SS 321 seamless pipes are strong but their weight makes them easy to handle, transport and install, and they do not bend easily.
  • Length Options: Stainless Steel 321 seamless pipes can be supplied in full random length up to 30 meters and can also be supplied in cut lengths required for a particular application.
  • Ease of cleaning: These pipes do not corrode easily hence they are easy to maintain and are cheaper in the long run since they do not need frequent replacement.

ASTM A312 TP321 SS seamless pipes are used in various field like industries. That are expected to have high corrosion resistance and should also be durable. These pipes are suitable for use in the transport of fluids and gasses in chemical, petrochemical and marine industry. These pipes are widely applied in exhaust systems, heat exchanging equipment, and pressure vessels because of its high strength. SS 321 seamless pipes are also used in food processing, pharmaceuticals and power plants. Ensuring reliable performance in harsh conditions while maintaining long-lasting durability and efficiency.

Most Common Types of Stainless Steel 321 Seamless Pipe

Seamless Pipe

SS 321 Seamless Pipe

High-quality stainless steel round pipe for industrial and construction applications.

321 SS Round Pipe

Stainless steel Schedule 5 pipe with thinner walls for low-pressure applications.

SS 321 Schedule 5S Pipe

Polished stainless steel pipe with a smooth finish for decorative and industrial use.

SS 321 Polished Pipe

Stainless steel Schedule 40 pipe with thick walls for high-pressure systems.

SS 321 Schedule 40 Seamless Pipe

Thin-wall stainless steel pipe for lightweight applications in various industries.

321 Stainless Steel Thin Wall Pipe

Custom stainless steel pipes designed for specific industrial requirements.

Stainless Steel 321 Custom Pipe

Cold-drawn seamless stainless steel pipe for precision engineering applications.

Stainless Steel 321 Cold Drawn Seamless Pipe

Stainless Steel 321 Seamless Pipe Specifications

Standard AISI, DIN, EN, GB, JIS, ASTM, ASME
Pipe Dimensions ANSI/ASME B36.19, B36.10
Range 6NB to 1200NB
Outer Diameter 1/8″ NPS to 12″ NPS
Thickness 0.6 mm to 12.7 mm
Schedules SCH. 5, SCH 10, SCH 20, SCH 30, SCH 40, SCH 60, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, SCH XXS
Length Single Random, Double Random & Cut Length
Specifications ASTM A312 / ASTM SA312
Types Round, Square, Rectangle, Hydraulic, Honed Tubes
End Plain End, Beveled End
Looking For Fastest Delivery of Stainless Steel 321 Seamless Pipe in Mumbai? Find Your Sizes and Thickness of SS 321 Seamless Pipes in Our Ready Stock.
Grade Ni N Cr C Si Mn P S TI
SS 321 09 – 12 0.10 17 – 19 0.08 max 1 max 2 max 0.040 max 0.030 max 4(C+N)
Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 321 8.0 g/cm3 1400 Β°C (2550 Β°F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %
STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 321 1.4541 S32100 SUS 321 321S31 08Π₯22Н5 Z7CN18‐09 X6CrNiTi18-10

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Stainless Steel 321 Seamless Pipe Dimensions In MM

Nominal size in Inch Outside diameter in Inch Outside diameter in MM Wall thickness in Inch Wall thickness in MM Weight [lb/ft] Weight [kg/m]
1/4 Inch 0.540 13.7 MM 0.088 2.24 0.42 0.84
12 Inch 12.750 323.8 MM 0.406 10.31 53.52 79.73
1/2 Inch 0.840 21.3 MM 0.109 2.77 0.85 1.27
32 Inch 32 813.0 MM 0.688 17.48 230.08 342.91
2 1/2 Inch 2.875 73.0 MM 0.203 5.16 5.79 8.63
6 Inch 6.625 168.3 MM 0.280 7.11 18.97 28.26
20 Inch 20 508.0 MM 0.594 15.09 123.11 183.42
1/8 Inch 0.405 10.3 MM 0.068 1.73 0.24 0.37
3 Inch 3.500 88.9 MM 0.216 5.49 7.58 11.29
18 Inch 18 457.0 MM 0.562 14.27 104.67 155.80
3/4 Inch 1.050 26.7 MM 0.113 2.87 1.13 1.69
24 Inch 24 610.0 MM 0.688 17.48 171.29 255.41
3 1/2 Inch 4.000 101.6 MM 0.226 5.74 9.11 13.57
5 Inch 5.563 141.3 MM 0.258 6.55 14.62 21.77
1 1/4 Inch 1.660 42.2 MM 0.140 3.56 2.27 3.39
1 Inch 1.315 33.4 MM 0.133 3.38 1.68 2.50
1 1/2 Inch 1.900 48.3 MM 0.145 3.68 2.72 4.05
14 Inch 14 355.6 MM 0.375 11.13 54.57 94.55
2 Inch 2.375 60.3 MM 0.154 3.91 3.65 5.44
4 Inch 4.500 114.3 MM 0.237 6.02 10.79 16.07
10 Inch 10.750 273.0 MM 0.365 9.27 40.48 60.31
8 Inch 8.625 219.1 MM 0.322 8.18 28.55 42.55
16 Inch 16 406.4 MM 0.500 12.70 82.77 123.30

Thickness Chart of SS 321 Seamless Pipe

Sizes SCH 10 321 Grade Stainless Steel Pipe O.D
DIA
Inch DN Thickness Millimetre (mm)
1 Inch DN 25 2.77 33.4
2 Inch DN 50 2.77 60.3
3 Inch DN 80 3.05 88.9
4 Inch DN 100 3.05 114.3
5 Inch DN 125 3.43 141.3
6 Inch DN 150 3.43 168.3
8 Inch DN 200 3.76 219.1
10 Inch DN 250 4.19 273.1
11/2 Inch DN 40 2.77 48.3
11/4 Inch DN 32 2.77 24.2
12 Inch DN 300 4.57 323.9
14 Inch DN 350 6.35 355.6
16 Inch DN 400 6.35 406.4
18 Inch DN 450 6.35 457.2
21/2 Inch DN 65 3.05 73
22 Inch DN 550 6.35 558.8
24 Inch DN 600 6.35 609.6
34 Inch DN 850 7.92 863.6
31/2 Inch DN 90 3.05 101.6
36 Inch DN 900 7.92 914.4

SS 321 Seamless Pipes Packing & Marking

Stainless steel 301 round bars with a polished finish.
Stainless steel 302 bars displayed in different thicknesses.
303
304

Packing & Delievery

SS 321 Seamless Pipes are packed in wooden cases, plastic bags or steel strips as per the requirement of the customers. For instance, it may be for the purpose of protecting them from getting destroyed during transportation. Special packaging can also be provided as per the customer’s specifications.

We also guarantee safe handling and quick delivery through using reputable shipping companies who provide domestic as well as international delivery services with the option of dispatching the goods within a short time and with tracking information for the customer’s convenience.

Inspection, Test Reports

Stainless Steel 321 Seamless Pipes come with complete quality assurance, including Mill Test Certificates, EN 10204 3.1, and NABL Approved Lab Reports. The Pipes undergo chemical and mechanical testing, PMI tests. And visual inspections to assure high quality. Additionally both destructive and non-destructive tests are conducted. Along with third-party inspection reports guaranteeing reliability and superior performance.

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Industrial Application of SS 321 Seamless Pipe

Oil & Gas
Oil & Gas
Cement
Cement
Chemical
Chemical
Marine
Marine
Petrochemical
Petrochemical
Pharmaceuticals
Pharmaceuticals
Power Plant
Power Plant