The item
321 seamless Tubes with an outside diameter of 19.3 mm and a wall thickness of 0.9 mm. 304 stabilised with titanium. Resists sensitisation in the 425–815 degrees C range.
321 Seamless TubesIn stock
321 seamless tubes
OD 19.3 mm × 0.9 mm wall
This is a size we hold rather than one we have to roll. 304 stabilised with titanium. Resists sensitisation in the 425–815 degrees C range. Supplied with a mill test certificate to EN 10204 3.1 as standard.
OD 19.3 mm × 0.9 mm wallUNS S32100 / S32109EN 1.4541 / 1.4940HSN 7304
Properties
Austenitic- PREN
- 19
- Relative cost
- 1.30×
- Max service temp
- 900 °C
- Magnetic
- No
- Weldability
- Excellent
- Machinability
- Fair
Pitting resistance equivalent. Higher resists chlorides better.
Indexed to 304. Indicative, for specification triage.
01Product description
321 stainless steel seamless Tubes, OD 19.3 mm × 0.9 mm wall: stockist and supplier in Mumbai
Rajgranth Metal & Alloys stocks and supplies 321 seamless Tubes, OD 19.3 mm × 0.9 mm wall from Mumbai, with the material, tests and documentation covered by our ISO 9001:2015 quality system. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.
Grade and designations
Stainless Steel 321 and 321H, designated UNS S32100 / S32109, EN 1.4541 / 1.4940, AISI 321 / 321H, JIS SUS321 / SUS321H, GB S32168 / S32169 and Werkstoff X6CrNiTi18-10 / X7CrNiTi18-10.
Standards and finishes
Standards include ASTM A213 / ASME SA-213, ASTM A269, ASTM A312 / ASME SA-312, ASTM A376 / ASME SA-376, ASTM A789 / ASME SA-789, ASTM A790 / ASME SA-790, ASTM A268 / ASME SA-268 and ASTM A511. Finishes and conditions include Bright Annealed (CFA), Solution Annealed (CFD), Electro Polished (EP), Polished (APP), Annealed and Pickled (AP), Mirror Polish, Matt Polish and Cold Drawn.
Where it is used
exhaust manifolds and expansion joints, refinery heater and furnace components, aircraft and aerospace piping and high-temperature process vessels. We supply across India and export to markets in the Middle East, Africa, Europe, Asia, North America and South America.
Ordering
Send the quantity, standard and any special requirement and we will confirm availability. Material is supplied with documentation, tested in house across 18 listed testing facilities, and covered by our ISO 9001:2015 quality management system.
Also searched as
- 321 seamless Tubes, OD 19.3 mm × 0.9 mm wall supplier
- 321 19.3 mm seamless Tubes stockist in Mumbai
- stainless Steel Seamless Tubes 19.3 mm
This size
07 rows- Grade
- 321
- Product
- Seamless Tubes
- Outside diameter
- 19.3 mm
- Wall thickness
- 0.9 mm
- Length
- 5 m6.5 m
Cut to length on request
- Ends
- PlainBevelled
- Certification
- EN 10204 3.1
3.2 with third-party inspection on request
Other sizes in this grade are supplied to order — usually from stock.
Surface finishes
08- Bright Annealed (CFA)
- Solution Annealed (CFD)
- Electro Polished (EP)
- Polished (APP)
- Annealed and Pickled (AP)
- Mirror Polish
- Matt Polish
- Cold Drawn
Standards
10- ASTM A213 / ASME SA-213
- ASTM A269
- ASTM A312 / ASME SA-312
- ASTM A376 / ASME SA-376
- ASTM A789 / ASME SA-789
- ASTM A790 / ASME SA-790
- ASTM A268 / ASME SA-268
- ASTM A511
- ASTM B163 / ASME SB-163
- ASTM B407 / ASME SB-407
01Also held
Other 321 seamless tubes sizes
Complete technical reference
SS Seamless Tubes Grade 321 Diameter 19.3mm X 0.9mm Thickness
The full detail for this product as supplied from our Mumbai stockyard: sizes, grades, standards, tolerances, tests and applications.
SS Seamless Tubes Grade 321 Diameter 19.3mm X 0.9mm Thickness Stockholders, Suppliers & Exporters in India.
Stainless steel seamless tubes are an essential component in industries that demand high precision and durability. Among the various grades available, SS Seamless Tubes in Grade 321 are highly regarded for their exceptional high-temperature performance and corrosion resistance. When discussing Grade 321 with a diameter of 19.3 mm and 0.9 mm thickness, the focus shifts to its unique application in highly demanding environments. But what makes this particular grade and size combination so important? Let’s dive in.
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What Is SS Seamless Tubes?
Seamless tubes are pipes or tubing products made without any welding or joints, providing uniform strength and performance throughout their length. They are known for their ability to handle high pressure and heat without breaking or leaking.
Key Characteristics of Seamless Tubes
- No welds or seams: ensuring uniformity and strength.
- Higher pressure ratings compared to welded tubes.
- Superior strength : compared to welded tubes.
Understanding Grade 321 Stainless Steel
Grade 321 is a titanium-stabilized austenitic stainless steel, making it a preferred choice for high-temperature applications. It is similar to Grade 304 but offers enhanced resistance to intergranular corrosion after exposure to high temperatures.
- Main Elements: Chromium (17-19%), Nickel (9-12%), and Titanium (0.7%).
- Stabilization: Chromium (17-19%), Nickel (9-12%), and Titanium (0.7%).
SS Seamless Tubes Grade 321: Specific Dimensions
While seamless tubes come in various sizes, the 19.3 mm diameter combined with a 0.9 mm wall thickness provides a specific balance of strength, precision, and lightweight properties.
The 19.3 mm diameter offers versatility, making it suitable for applications requiring medium-sized tubing with excellent flow characteristics.
A 0.9 mm thickness ensures the tube is lightweight but strong, ideal for applications where weight-saving is crucial, such as in aerospace or precision instruments.
SS seamless tubes must meet strict dimensional tolerances to ensure proper fit and function. For Grade 321, international standards such as ASTM A213 and ASTM A312 specify dimensional accuracy in diameter and wall thickness.
Key Advantages of SS Seamless Tubes with 19.3 mm Diameter
The precise 19.3 mm diameter allows for use in precision engineering applications, where accuracy is paramount.
This diameter offers a good balance between structural integrity and flow efficiency, making it a versatile choice in various industries.
Stainless Steel Tubes Dimension – (S.S. Tubes)
19 entries
| Stainless Steel Tubes Dimension – (S.S. Tubes) | 13 | 1 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wall thickness in mm. | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.6 | 3 | 3.2 | 3.6 |
| O.D. in mm. | Weight in kg/meter | 12 | 1 | |||||||||
| 6 | 0.069 | 0.081 | 0.093 | 0.104 | 0.125 | 0.144 | 0.176 | – | – | – | – | – |
| 9.52 | 0.112 | 0.134 | 0.154 | 0.174 | 0.213 | 0.249 | 0.317 | – | – | – | – | – |
| 10 | 0.119 | 0.141 | 0.163 | 0.184 | 0.225 | 0.264 | 0.336 | – | – | – | – | – |
| 12.7 | 0.153 | 0.182 | 0.21 | 0.238 | 0.293 | 0.345 | 0.444 | – | – | – | – | – |
| 14 | 0.169 | 0.201 | 0.233 | 0.264 | 0.325 | 0.384 | 0.496 | – | – | – | – | – |
| 15.87 | 0.192 | 0.229 | 0.266 | 0.301 | 0.372 | 0.44 | 0.571 | 0.694 | – | – | – | – |
| 19 | 0.231 | 0.276 | 0.32 | 0.364 | 0.45 | 0.534 | 0.696 | 0.85 | 1.066 | 1.2 | 1.264 | – |
| 25 | 0.306 | 0.366 | 0.425 | 0.484 | 0.6 | 0.714 | 0.936 | 1.15 | 1.456 | 1.65 | 1.744 | 1.926 |
| 25.4 | 0.311 | 0.372 | 0.432 | 0.492 | 0.61 | 0.726 | 0.952 | 1.17 | 1.482 | 1.68 | 1.776 | 1.962 |
| 31.8 | – | – | – | – | – | 0.918 | 1.208 | 1.49 | 1.898 | 2.16 | 2.288 | 2.538 |
| 38 | – | – | – | – | – | 1.104 | 1.456 | 1.8 | 2.301 | 2.625 | 2.784 | 3.096 |
| 44.5 | – | – | – | – | – | 1.299 | 1.716 | 2.125 | 2.724 | 3.113 | 3.304 | 3.681 |
| 50.8 | – | – | – | – | – | 1.488 | 1.968 | 2.44 | 3.133 | 3.585 | 3.808 | 4.248 |
| 63.5 | – | – | – | – | – | – | 2.476 | 3.075 | 3.959 | 4.538 | 4.824 | 5.391 |
| 76.1 | – | – | – | – | – | – | 2.98 | 3.705 | 4.778 | 5.483 | 5.832 | 6.525 |
| 101.6 | – | – | – | – | – | – | 4 | 4.98 | 6 | 7 | 7,872 | 8.82 |
Chemical Composition
22 entries
| CHEMICAL COMPOSITION ( IN PERCENTAGE ) | 11 | 1 | ||||||||
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo | Nitrogen (Max) | Cu/ Others |
| 301 | 0.15 | 2 | 0.045 | 0.03 | 1 | 16.00 – 18.00 | 6.00 – 8.00 | – | 0.1 | – |
| 304 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.00 – 20.00 | 8.00- 10.50 | – | 0.1 | – |
| 304L | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 18.00 – 20.00 | 8.00- 12.00 | – | 0.1 | – |
| 310S | 0.08 | 2 | 0.045 | 0.03 | 1.5 | 24.00- 26.00 | 19.00 – 22.00 | – | – | – |
| 316 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | 0.1 | – |
| 316L | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | 0.1 | – |
| 317 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.00 – 20.00 | 11.00 – 14.00 | 3.00 – 4.00 | 0.1 | – |
| 317L | 0.03 | 2 | 0.045 | 0.03 | 0.75 | 18.00 – 20.00 | 11.00 – 15.00 | 3.00 – 4.00 | 0.1 | – |
| 321 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.00 – 19.00 | 9.00 – 12.00 | – | 0.1 | Ti5 ( C + N ) Min or 0.70 max |
| 347 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.00 – 19.00 | 9.00 – 13.00 | – | – | Cb= 10x ( C Min ) or 1.00 Max |
| 409 | 0.08 | 1 | 0.04 | 0.01 | 1 | 10.50 – 11.75 | 0.5 | – | – | Ti= 6x (C+ N ) Min or 0.70 Max |
| 409M | 0.03 | 0.81.2 | 0.03 | 0.03 | 0.40.75 | 11.00- 12.00 | 1.5 max. | – | – | Ti= 6x (C) Min or 0.70 Max |
| 410S | 0.08 | 1 | 0.04 | 0.03 | 1 | 11.50- 13.50 | 0.6 | – | – | – |
| 410 | 0.15 | 1 | 0.04 | 0.03 | 1 | 11.50- 13.50 | 0.75 | – | – | – |
| 420 | 0.35 | 0.5 | 0.035 | 0.015 | 0.5 | 12.00 – 13.00 | 0.20.3 | – | – | – |
| 430 | 0.12 | 1 | 0.04 | 0.03 | 1 | 16.00 – 18.00 | 0.75 | – | – | – |
| JSL AUS | 0.08 | 7.08.0 | 0.07 | 0.03 | 0.75 | 15.50 – 16.50 | 4.25 – 4.75 | – | – | 0.9 – 1.10 |
| JS- 203 | 0.08 | 9.2510.25 | 0.07 | 0.03 | 0.75 | 14.25 – 15.25 | 2.25 – 2.75 | – | – | 1.60- 2.0 |
| 301M | 0.1 | 4.55.5 | 0.06 | 0.03 | 0.75 | 14.50 – 15.50 | 6.0 – 7.0 | – | – | 1.70- 1.90 |
| * Thickness of 1.27mm & below will have elongation of 20% min. | 11 | 1 |
|---|
Applications of SS Seamless Tubes Grade 321
42 entries
Stainless steel seamless tubes, particularly those made from Grade 321, are used across a wide range of industries. Some of the most common applications include:
- Heat Exchangers and Boilers: Grade 321's resistance to high temperatures makes it ideal for these applications.
- Automotive Industry: Grade 321's resistance to high temperatures makes it ideal for these applications.
- Chemical Processing Plants: Grade 321's resistance to high temperatures makes it ideal for these applications.
- Aerospace: Grade 321's resistance to high temperatures makes it ideal for these applications.
Our Stainless Steel Seamless Tube Used In Many Industries & Have Many Application
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321 / 321H applications
04- Exhaust manifolds and expansion joints
- Refinery heater and furnace components
- Aircraft and aerospace piping
- High-temperature process vessels
321 seamless tubes, OD 19.3 mm × 0.9 mm wall.
Tell us the quantity and where it is going. We will confirm stock and come back with price the same working day.