Reliable ASTM A213 TP321 tube supplier in India
Fit-Lok is a manufacturer, stockist and exporter of Stainless Steel 321 Tube, We are supplying ASTM A213 TP321 seamless and welded tubes to industries across oil & gas, power generation, aerospace, automotive exhaust, heat exchangers and chemical processing.
UNS S32100 Tubing are Titanium stabilized, these can retains strength and oxidation resistance up to 900°C, which makes it preferred choice wherever carbon steel or standard 304/316 grades fail under sustained heat. our engineering team responds with pricing, stock availability and delivery timelines within 24 hours. We are one of the reliable SS 321 tube manufacturer in India in different sizes and schedules. If you are looking to buy ASTM A213 TP321 tube at factory price contact us!
Table of content
- Specification of Stainless steel 321 Tube
- Price list of 321 Stainless Steel Tubing
- Processing of AISI 321 Polished Tube
- Various types of ASME SA 213 TP 321 Tube
- ASTM A213 TP321 Tube weight chart
- UNS S32100 Round Tube Size chart
- Maximum internal pressure of 321 Stainless Steel Tube
- Technical data of DN50 SS 321 Tubing
- SS 321 Heat Exchanger Tube value added services
- Oxidation Resistance of ASTM A213 Type 321 Seamless Tube
- Heat Treatment of SA213 TP321 Material
- SA213 TP321 tubing Welding
- Why buyers from Europe prefer to buy Stainless steel 321 Tube from India
- 321 stainless steel tube stock list
- 321 SS Welded Tube chemical composition
- DIN 1.4541 Square Tube mechanical properties
- Alloy 321 Rectangular Tube equivalent grade
- Physical properties of 321 SS Welded Tubing
| Specification | ASTM A213 / ASME SA213 |
| Standard length | 6 metres |
| Surfaces |
|
| Thickness Range | Schedule 5 to Schedule XXS |
| Manufacturing Type | Seamless / ERW / Welded / 100% X Ray Welded |
| Delivery Condition | Bright Annealed, MF, Polished, Cold Drawn, Annealed and Pickled |
| Surface Finish | No.8, 800G Mirror finish, BA, 500G, 2B, No.1, No.3, 8K, HL, Mirror Polished, 1D, No.4, 2D, 180G, 400G Satin/ Hairline, 400G, 320G, 600G |
| END | Beveled End, Plain End |
| Processing Service | Decoiling, Welding, Bending, Cutting, Punching, Moulding |
| Technique | Cold rolled, Cold drawn, Hot rolled, Extrusion Tubes |
| Value Added Services |
|
| Tolerance |
|
Every SS 321 tube we manufacture is produced to ASTM A213 / ASME SA213 specification, available in seamless and welded construction across Schedule 5 to Schedule XXS wall thickness, and finished to your requirement, from mill (2B) to mirror polished (800 grit). Standard mill length is 6 metres, custom cut lengths are available on request at no extra tooling cost.
SA213 TP321 seamless tube have High mechanical strength and Good weldability
How does the choice of surface finish of Stainless steel 321 tube affects its performance?
| Corrosion Resistance | Smooth finish reduce crevice sites |
|---|---|
| Cleanability & Hygiene | Its much easier to clean smooth surface |
| Oxidation Resistance | used in high-heat applications up to ~900°C |
| Weld Quality | Lack of fusion or cracking |
| Fatigue Resistance | Smooth surface prevents crack initiation |
Refer lastest price list of UNS S32100 tube, View processing of SS 321 welded tube
| Product | Price in USD | Price in Dirham | Price in Euro |
|---|---|---|---|
| DN10 OD 16 mm x 1 mm A213 TP321 seamless tube Length: 100cm | US $30.04 per piece | 110.34 AED per piece | € 26.41 per piece |
| DN10 OD 16 mm x 1.5 mm SS 321 seamless tubing | US $37.52 per piece | 137.83 AED per piece | € 32.99 per piece |
| DN100 OD 108 mm x 6.3 mm SA 213 TP 321 tubes | US $296.22 per piece | 1088.09 AED per piece | € 260.44 per piece |
| DN125 OD 133 mm x 4 mm TP321 tubing Length 100cm | US $244.49 per piece | 898.08 AED per piece | € 214.96 per piece |
Need pricing for a size not listed? Send us your specification (OD, wall thickness, length, quantity, destination port) and we will email a formal quotation within 24 hours.
Structural Cutting
Tubular Cutting
Production Cutting
Structural Polishing
We handle all type of cutting at our factory, which means we can provide cut to size SS 321 tube at reasonable cost.
ASTM A213 Type 321 Seamless Tube
ASME SA213 TP321 ERW Tubes
AISI 321 Welded Tube
321 SS Square Tube
DIN 1.4541 Extruded Seamless Tube
UNS S32100 Round Tube
Check SS 321 tube weight chart and dimensions
| Nominal size (inches) | Outside diameter (inches) | Wall thickness (inches) | Weight (kg/m) |
|---|---|---|---|
| 1/2″ | 0.84 | 0.109 | 1.27 |
| 3/4″ | 1.05 | 0.113 | 1.7 |
| 1″ | 1.32 | 0.133 | 2.52 |
| 1 1/4″ | 1.66 | 0.14 | 3.41 |
| 1 1/2″ | 1.9 | 0.145 | 4.08 |
| 3 1/2″ | 4 | 0.226 | 13.66 |
| 2″ | 2.375 | 0.154 | 5.47 |
| 2 1/2″ | 2.875 | 0.203 | 8.69 |
| 3″ | 3.5 | 0.216 | 11.36 |
| 4″ | 4.5 | 0.237 | 16.18 |
| 12″ | 12.75 | 0.375 | 74.28 |
| 5″ | 5.563 | 0.258 | 21.91 |
| 6″ | 6.625 | 0.28 | 28.44 |
| 8″ | 8.625 | 0.322 | 42.82 |
| 10″ | 10.75 | 0.365 | 60.7 |
| NPS | OD | SCH 80S | SCH 40S | SCH 10S | SCH 5S |
|---|---|---|---|---|---|
| 1/4 | 13.72 | 3.02 | 2.24 | 1.65 | – |
| 3/8 | 17.15 | 3.2 | 2.31 | 1.65 | – |
| 1/2 | 21.34 | 3.73 | 2.77 | 2.11 | 1.65 |
| 4 | 114.3 | 8.56 | 6.02 | 3.05 | 2.11 |
| 20 | 508 | 12.7 | 9.53 | 5.54 | 4.78 |
| 3/4 | 26.67 | 3.91 | 2.87 | 2.11 | 1.65 |
| 14 | 355.6 | 12.7 | 9.53 | 4.78 | 3.96 |
| 1 | 33.4 | 4.55 | 3.38 | 2.77 | 1.65 |
| 12 | 323.85 | 12.7 | 9.53 | 4.57 | 3.96 |
| 1.25 | 42.16 | 4.85 | 3.56 | 2.77 | 1.65 |
| 22 | 558.8 | – | – | 5.54 | 4.78 |
| 10 | 273.05 | 12.7 | 9.27 | 4.19 | 3.4 |
| 1.5 | 48.26 | 5.08 | 3.68 | 2.77 | 1.65 |
| 24 | 609.6 | 12.7 | 9.53 | 6.35 | 5.54 |
| 2 | 60.33 | 5.54 | 3.91 | 2.77 | 1.65 |
| 16 | 406.4 | 12.7 | 9.53 | 4.78 | 4.19 |
| 8 | 219.08 | 12.7 | 8.18 | 3.76 | 2.77 |
| 3 | 88.9 | 7.62 | 5.49 | 3.05 | 2.11 |
| 6 | 168.28 | 10.97 | 7.11 | 3.4 | 2.77 |
| 3.5 | 101.6 | 8.08 | 5.74 | 3.05 | 2.11 |
| 5 | 141.3 | 9.53 | 6.55 | 3.4 | 2.77 |
| 2.5 | 73.03 | 7.01 | 5.16 | 3.05 | 2.11 |
| 18 | 457.2 | 12.7 | 9.53 | 4.78 | 4.19 |
| Outside Diameter | Wall Thickness | Pressure Bar | ||||||
|---|---|---|---|---|---|---|---|---|
| MM | MM | 100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 700°F |
| 15.88 | 1.245 | 205 | 205 | 205 | 205 | 198 | 187 | 179 |
| 15.88 | 1.651 | 278 | 278 | 278 | 278 | 268 | 255 | 243 |
| 19.05 | 1.651 | 229 | 229 | 229 | 229 | 221 | 209 | 200 |
| 19.05 | 2.11 | 298 | 298 | 298 | 298 | 288 | 273 | 261 |
| 25.4 | 1.651 | 169 | 169 | 169 | 169 | 163 | 154 | 148 |
| 25.4 | 2.11 | 219 | 219 | 219 | 219 | 211 | 200 | 191 |
| Outside diameter | 60.3 mm |
|---|---|
| Wall thickness | 5 mm |
| Length | 170 cm (Cut to length available) |
| Weight | 11.76 kg |
Trusted SS 321 heat exchanger tube supplier and exporter in more than 35 countries
| Weight Change (mg/cm2) | |||||
| Exposure Time | 1500°F | 1450°F | 1400°F | 1350°F | 1300°F |
| 168 hours | 0.118 | 0.067 | 0.054 | 0.046 | 0.032 |
| 500 hours | 0.221 | 0.108 | 0.108 | 0.065 | 0.045 |
| 1000 hours | 0.338 | — | 0.166 | — | 0.067 |
| 5000 hours | — | — | 0.443 | — | — |
| Continuous Service | 950 °C |
|---|---|
| Intermittent Service | 870 °C |
SS 321 tubes exhibit excellent weldability properties as per AS 1554.6 standard in all fusion methods, using filler metal or rod.
| ASME SA249 TP 321 Tubing | Stainless Steel 321 Fabricated Tube |
| UNS S32100 12mm Tube | ASME SA249 TP 321 Seamless Tubing |
| 321H Stainless Steel High Pressure Tube | ASTM A249 TP 321H Thin Wall Tubing |
| Stainless Steel 1.4541 Electropolished Tubes | ASME SA249 TP 321 Cold Drawn Seamless Tube |
| Stainless Steel 321 Hydraulic Tubing | ASTM A249 TP 321H Coiled Tube |
| 321 SS ERW Tube | 321H Stainless Steel Electropolished Tube |
| UNS S32100 Rectangular Tubing | Stainless Steel 1.4541 CDW Tube |
| ASME SA249 TP 321 Electropolish Tube | SS A249 TP321H Capillary Tubing |
| 321H Stainless Steel Small Diameter Tubing | 321 SS ERW Tubing |
| Grade | Si | Mn | Ni | C | P | Cr | S | N | Ti |
|---|---|---|---|---|---|---|---|---|---|
| A213 TP321 | 1.0 max | 2.0 max | 9.00 – 12.00 | 0.08 max | 0.045 max | 17.00 – 19.00 | 0.030 max | 0.10 max | 5(C+N) – 0.70 max |
| A213 TP321H | 1.0 max | 2.0 max | 9.00 – 12.00 | 0.04 – 0.10 | 0.045 max | 17.00 – 19.00 | 0.030 max | 0.10 max | 4(C+N) – 0.70 max |
| Elongation | Tensile Strength | Melting Point | Density | Yield Strength (0.2%Offset) |
|---|---|---|---|---|
| 0.35 | Psi – 75000 , MPa – 515 | 1457 °C (2650 °F) | 8.0 g/cm3 | Psi – 30000 , MPa – 205 |
| STANDARD | WERKSTOFF NR. | EN | UNS | JIS |
|---|---|---|---|---|
| SS 321 | 1.4541 | X6CrNiTi18-10 | S32100 | SUS 321 |
| SS 321H | 1.4878 | X12CrNiTi18-9 | S32109 | SUS 321H |
| Property | Values |
|---|---|
| Electrical Resistivity, Microohm-in | 28.4 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
| Modulus of Elasticity, psi | 28.0 x 106 |
| Specific Heat, Btu/lb ˚F | 0.12 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.3 |
Packaging & Export Documentation
All export orders are packed in wooden crates or bundles with edge protection. We provide mill test certificates (EN 10204 3.1), packing list, commercial invoice, certificate of origin, and fumigation certificate with every order. We ship FOB/CIF to major ports across the EU, Middle East, Africa, and Southeast Asia.