
Stainless Steel 321 Pipe Key Points
| Sizes Availability |
|
|---|---|
| Brands in Stock | Centravis, Maruichi Stainless, Mannesmann Stainless, Nippon Steel Corp., PCC Rollmet, Ratnamani Metals & Tubes, Alleima, Sanyo Special Steel, Tubacex |
| Raw Material Orign | Janpanese, European, American, Korean, Russia, Indian |
| HSN Code | 73044900 |
| Saudi Arabian Standards | SASO 7306, SASO-ASTM-A312M, A733 |
| International Standards | ASTM A312, ASME SA312, UNS S32100, WNR 1.4541, INOX 321, AISI 321, SUS 321, ASTM A269, ASME SA269, ASTM A270, ASTM A554, ASME SA249 |
| Approval | ADNOC, Q CHEM, EIL, MA’ADEN, KNPC, BAPCO, SABIC, KOC, Saudi Aramco, Marine and KPI. |
| Services |
|
| MTC | EN 10204 3.1 |
Browse a Variety of Reputable ASTM A312 TP321 Pipe Suppliers in UAE. Compare 321 and 316 Stainless Steel
Stainless Steel 321 Pipe Specification
AISI 321 Seamless Pipe: 6NB – 1200NB
321 Stainless Steel Welded Pipe: 1/8” – 36” NB
SA312 321 SS Thick Walled Pipe: 10 to 600mm (OD), 2.5 to 100mm (Wall Thickness)
UNS S32100 Pipe Schedule: 5 to XXH

INOX 321 Tube Method: Cold Formed, Hot Formed, Precision Rolled

End: Bevelled, Plain, Grooved, Threaded

Suitable Temperatures: up to 925°C

ASTM A312 TP321 Pipe Process: ERW, Seamless, Welded
MTR: Chemical, Mechanical, PMI, Destructive and Non Destructive Test Report

SA 312 TP 321 Pipe Finish: Annealing, Polished, Bright

Get Quote Directly from Stainless Steel 321 Pipe Suppliers in UAE With Complete Documentation

1.4541 Stainless Steel Tubing Form: Round, Square, Rectangular, Hexagon etc.
Choose a Trustworthy Middle East Stockist of SS 321 Seamless Pipe, and Check the Density of 321 Stainless Steel Pipe
SUS 321 Welded Pipe Manufacturing Process
| Manufacturing method | Full form |
|---|---|
| A312TP321 CEW pipes | Cold Electric Welded Tubes |
| ASME SA 213 TP321 OAW pipes | Oxy Acetylene Welding |
| ASTM A312 321 stainless steel LSAW pipes | Longitudinal submerged arc welding |
| ASTM A312 TP321 MAW pipes | Manual Arc Welding (Hand-Welding) |
| INOX AISI 321 ERW pipes | Electric Resistance Welding (Contact Welding) |
| ASTM A312 gr TP321 BWP pipes | Butt Welded Pipes |
| 1.4541 stainless steel EFW pipes | Electric Fusion Welding Pipe |
| ASTM A312 grade TP321 HFIW pipes | High Frequency Induction Welding |
| UNS S32100 stainless steel SAW pipes | submerged arc welding steel pip |
| SA 312 TP321 SSAW pipes | Spiral Submerged Arc Welded |
| SA312 TP321 HFW pipes | High frequency welding |
| ASTM A312 TP 321 HSAW pipes | Helical submerged arc welding |
| A312gr TP321 DSAW pipes | Double Submerged Arc Welded pipe |
321 Stainless Steel Seamless Pipe Stock For Immediate Dispatch
- Welding Line Type : Seamless welded
- Tolerance : ±1%
- Processing Service : Bending, Welding, Decoiling, Punching, Cutting, Moulding
- Invoicing : By Actual Weight
- Outer Diameter : 6mm-2500mm
- Packing : Standard Sea-worthy Packing
- Surface Finish : 2B
- Grade : 300 Series
- Shape : Round, Square, Rectangle
- Technique : Cold Rolled Hot Rolled
- Length : Customers’ Request
- Color : Natural Color
- Payment terms : 30%T/T Advance + 70% Balance
- Thickness : 1 – 120 mm
- Surface Treatment : black, galvanized, oiled, painted,etc.
- Usage : Boiler Pipe, Drill Pipe, Gas Pipe, Oil Pipe, Structure Pipe
- Standard : ASTM, DIN, JIS, ANSI A213-2001, ANSI B36.10M-2004, ASME
- Certificate : API , CE, BSI, SNI, BIS, JIS, Gs, ISO 9001
- Invoicing : By Actual Weight
- Oiled or Non-oiled : Non-oiled
- Material : Stainless Steel
- Technical treatment : Hot Rolled/Cold Rolled
- Solution Treatment (Annealing) : 950-1120 °C
- Stabilizing : 870-900 °C
- Stress Relief : 700 °C
- Boiling Point : 2700°C
- Thermal Conductivity : 16.3 W/m·K at 100°C
- Hardness : ≤ 217 HB (Brinell)
Call Now for the Clients List Based in Below Locations
| Country | Cities |
|---|---|
| Netherlands | The Hague |
| Belgium | Meeuwen-Gruitrode |
| Netherlands | Amsterdam |
| Belgium | Antwerp |
| Netherlands | Haarlem |
| Belgium | Brussels |
| Belgium | Seraing |
| Belgium | Ghent |
| Belgium | Leuven |
| Netherlands | Eindhoven |
| Belgium | Westerlo |
| Netherlands | Rotterdam |
In Dubai, Look for an Importer of Stainless Steel 321 Welded Pipe that Sells the Material in a Range of Uncommon Widths and Thicknesses. See 321 Versus 304 Stainless Steel
| OD mm | Pipe WT mm | in. | Sch | Kg/m |
|---|---|---|---|---|
| 73.03 | 7.01 | 2½ | 80S | 11.59 |
| 17.15 | 3.20 | 3/8 | 80S | 1.12 |
| 168.28 | 14.27 | 6 | 120 | 54.75 |
| 21.34 | 3.73 | 1/2 | 80S | 1.65 |
| 114.30 | 13.49 | 4 | 160 | 34.05 |
| 26.67 | 3.91 | 3/4 | 80S | 2.23 |
| 60.33 | 8.74 | 2 | 160 | 11.29 |
| 33.40 | 6.35 | 1 | 160 | 4.30 |
| 88.90 | 11.13 | 3 | 160 | 21.67 |
| 101.60 | 8.08 | 3½ | 80S | 18.92 |
| 13.72 | 3.02 | 1/4 | 80S | 0.81 |
| 42.16 | 6.35 | 1¼ | 160 | 5.69 |
| 219.08 | 23.01 | 8 | 160 | 112.97 |
| 48.26 | 5.08 | 1½ | 80S | 5.49 |
| 141.30 | 15.88 | 5 | 160 | 49.87 |
Stainless Steel 321 Pipe Schedule Chart
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|
| 1/2" | √ | √ | √ | √ | √ |
| 1/8" | √ | √ | √ | √ | |
| 1 1/4" | √ | √ | √ | √ | √ |
| 1/4" | √ | √ | √ | √ | |
| 1 1/2" | √ | √ | √ | √ | √ |
| 6" | √ | √ | √ | √ | |
| 3/8" | √ | √ | √ | √ | |
| 1" | √ | √ | √ | √ | √ |
| 4" | √ | √ | √ | √ | √ |
| 3/4" | √ | √ | √ | √ | √ |
| 3" | √ | √ | √ | √ | √ |
| 2" | √ | √ | √ | √ | √ |
| 5" | √ | √ | √ | √ | |
| 2 1/2" | √ | √ | √ | √ | √ |
How to choose the right Size and Thickness of SS 321 Pipe?
- Understand the Application
- Select Pipe Size
- Choose Thickness
- Decide Based on Pressure & Temperature
- Check Industry Standards
- Consider Corrosion Allowance
Most Frequent Types of 321 Stainless Steel Tubing

ASTM A213 TP321 Rectangular Tube

ASME SA 213 TP321 Coil Tube

SS 321 Polished Tube

SA312 TP321 Corrugated Tube

AISI 321 Oval Tubes

ASTM A312 gr TP321 Needle Tube

UNS S32100 Boiler Tubes

UNS S32100 Stainless Steel Mechanical Tube

321 Stainless Steel Heat Exchanger Tube

SA 312 TP 321 U Tube

INOX 321 Sanitary Tube

1.4541 Stainless Steel Capillary Tube

321 SS Aircraft Tubing

ASTM A312 Grade TP321 Structural Tube

Electropolished ASTM A312 TP 321 Tubing

SA312 321 SS Slotted Tube

A312TP321 Pressure Tubing

SA 213 TP 321 Instrumentation Tubing

SUS 321 Perforated Tube

SA213 TP321 Ornamental Tube

Stainless Steel 321 Condenser Tubes
Weekly Shipment to Below Locations
| Middle East countries | Qatar, Lebanon, Bahrain, Saudi, Kuwait, UAE, Jordan, Iraq, Syria, Iran, Yemen |
|---|---|
| Africa | Nigeria, South Africa, Kenya, Morocco, Egypt, Tunisia, Algeria |
| MENA | Morocco, Libya, Algeria, Tunisia, Egypt, Israel, Palestine |
| NPS(DN) | ID | Outside Diameter IN(mm) | WT IN( mm) | SCH | WEIGHT LB/FT (KG/M) |
|---|---|---|---|---|---|
| 32 | .0.0.0 | 32.00 | 0.025 | .0.0.0 | 84.085 |
| 34 | .0.0.0 | 34.00 | 0.025 | .0.0.0 | 90.02 |
| 38 | .0.0.0 | 38.00 | 0.0312 | .0.0.0 | 125.07 |
| 36 | .0.0.0 | 36.00 | 0.0281 | .0.0.0 | 107.03 |
| 34 | .0.0.0 | 34.00 | 0.0281 | .0.0.0 | 101.029 |
| 32 | STD | 32.00 | 0.0375 | .0.0.0 | 126.078 |
| 36 | .0.0.0 | 36.00 | 0.0344 | .0.0.0 | 131.012 |
| 38 | .0.0.0 | 38.00 | 0.0344 | .0.0.0 | 138.047 |
| 34 | .0.0.0 | 34.00 | 0.0312 | 10 | 112.036 |
| 32 | .0.0.0 | 32.00 | 0.0406 | .0.0.0 | 137.012 |
| 36 | .0.0.0 | 36.00 | 0.0312 | 10 | 119.003 |
| 38 | .0.0.0 | 38.00 | 0.0406 | .0.0.0 | 163.016 |
| 32 | .0.0.0 | 32.00 | 0.0562 | .0.0.0 | 188.087 |
| 34 | STD | 34.00 | 0.0375 | .0.0.0 | 134.079 |
| 36 | .0.0.0 | 36.00 | 0.0406 | .0.0.0 | 154.048 |
| 38 | STD | 38.00 | 0.0375 | .0.0.0 | 150.083 |
| 32 | .0.0.0 | 32.00 | 0.0625 | 30 | 209.062 |
| 38 | .0.0.0 | 38.00 | 0.0438 | .0.0.0 | 175.087 |
| 34 | .0.0.0 | 34.00 | 0.0344 | .0.0.0 | 123.077 |
| 36 | STD | 36.00 | 0.0375 | .0.0.0 | 142.081 |
321 Stainless Steel Tubing Pressure Rating
| Pipe Size(inches) | Pipe Schedule | Temperature (°F) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 500 | 100 | 650 | 200 | 600 | 300 | 400 | 750 | 700 | ||
| 4" | 40 | 1014 | 1531 | 938 | 1321 | 967 | 1187 | 1091 | 909 | 919 |
| 1.5" | 80 | 2108 | 3182 | 1949 | 2744 | 2009 | 2466 | 2267 | 1889 | 1909 |
| 5" | 80 | 1312 | 1981 | 1213 | 1709 | 1250 | 1535 | 1411 | 1176 | 1189 |
| 2" | 80 | 1820 | 2747 | 1682 | 2369 | 1734 | 2129 | 1957 | 1631 | 1648 |
| 4" | 80 | 1466 | 2213 | 1355 | 1909 | 1397 | 1715 | 1577 | 1314 | 1328 |
| 10" | 80 | 1066 | 1609 | 986 | 1388 | 1016 | 1247 | 1147 | 956 | 966 |
| 5" | 40 | 889 | 1342 | 822 | 1158 | 847 | 1040 | 956 | 797 | 805 |
| 8" | 160 | 2103 | 3175 | 1944 | 2738 | 2004 | 2460 | 2262 | 1885 | 1905 |
| 6" | 40 | 808 | 1219 | 747 | 1052 | 770 | 945 | 869 | 724 | 732 |
| 6" | 160 | 2179 | 3289 | 2014 | 2836 | 2076 | 2549 | 2343 | 1953 | 1973 |
| 3" | 80 | 1691 | 2553 | 1564 | 2202 | 1612 | 1979 | 1819 | 1516 | 1532 |
| 1" | 80 | 2791 | 4213 | 2580 | 3634 | 2659 | 3265 | 3002 | 2501 | 2528 |
| 8" | 40 | 711 | 1073 | 657 | 926 | 678 | 832 | 765 | 637 | 644 |
| 10" | 160 | 2085 | 3147 | 1927 | 2714 | 1986 | 2439 | 2242 | 1868 | 1880 |
ASTM A213 TP321 Rectangular Tube Testings
- Hydrostatic Analysis
- Ultrasonic Testing
- Positive Material Recognition
- CVN Impact Testing
- Visual Inspection Testing
- Metalography Test
Stainless Steel 321 Pipe Equivalent
| 321 SS pipe standard type | Origin of Country | Value |
|---|---|---|
| Material | USA | 321 |
| UNS | USA | S32100 |
| DIN, WNr | Germany | 1.4541 |
| Nirosta® | from Krupp Thyssen Nirosta GmbH, Germany | – |
| European steel name | Europe | X6CrNiTi18-10 |
| EN steel number | Europe | 1.4541 |
| GOST | Russia | 08KH18H10T |
| SUS/ JIS | Japan | SUS321 |
| BS | Britain (UK) | 321S31 |
| UNI | Italy | 6904 |
| INOX | Germany | AISI 321 |
| GB | China | 0Cr18Ni10Ti |
| SS | Sweden | 2337 |
| PN | Poland | 0H18N10T |
| CSN | Czechia | 321 |
| SFS | Finland | 731 |
| AISI/ SAE | USA | 321 |
| ONORM | Austria | X6CrNiTi18-10S |
| SANS 50028-7 | South Africa | – |
ASTM A312 TP 321 Pipe Chemical Composition
| Grade | Carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Nickel | Nitrogen |
|---|---|---|---|---|---|---|---|---|
| 321 | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0-19.0 | 9.0-12.0 | 0.10 |
A312 TP321 Pipe Mechanical Properties
| Grade | Tensile Strength (Megapascals) | Hardness(HB) | Yield Point(Megapascals) | Elongation(%) |
|---|---|---|---|---|
| 321 | 515 | 95 | 205 | 40 |

AISI 321 Seamless Tube Physiical Properties
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Elastic Modulus (GPa) | Electrical Resistivity (n.m) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 321 | 8027 | 500 | 193 | 720 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 |
321 SS Seamless Tubing Benefits
- High-temp tempering equipment
- Chemical processing equipment
- Automotive exhaust systems
- Firewalls
- Annealing covers
- Boiler casings
Material Inspection Facility in Following Locations
| Muscat | Riyadh | Dubai | Ras Al Khaimah |
|---|---|---|---|
| Sharjah | Fujairah | Umm Al Quwain | Doha |
| Saudi Arabia | Al Jubail | Abu Dhabi | Ajman |
A312 TP 321 Tube Allowable Stress
| Strength | Ksi | Mpa |
|---|---|---|
| Tensile | 75 | 515 |
ASTM A312 Grade TP321 Pipe Welding Electrodes
| Material | Stick welding electrode grade |
|---|---|
| SUS321 stainless steel pipe welding | E347 |
ASTM A213 TP321 Rectangular Tube Applications
Industry-leading Stainless Steel 321 Pipe Suppliers in UAE known for consistent quality and robust construction
- Power Generation
- Petrochemical & Refining
- Aerospace & Automotive Exhaust Systems
- Chemical Processing
- Structural Applications
Explore Nearby Locations for the Quickest Delivery Options
| City | Region | Country |
|---|---|---|
| Dubai | Middle East | United Arab Emirates |
| Abu Dhabi | Middle East | United Arab Emirates |
| Dammam | Middle East | Saudi Arabia |
| Riyadh | Middle East | Saudi Arabia |
| Doha | Middle East | Qatar |
| Abuja | Africa | Nigeria |
| Kuwait City | Middle East | Kuwait |
| Jeddah | Middle East | Saudi Arabia |
| Cairo | MENA | Egypt |
| Casablanca | MENA | Morocco |
| Johannesburg | Africa | South Africa |
| Cape Town | Africa | South Africa |
| Lagos | Africa | Nigeria |
Locate the Most Knowledgeable ASME SA312 UNS S32100 ERW Pipe Trader in GCC Nations who Has the Greatest Selection of Standard and Bespoke Sizes, and Check the Hardness
321 Stainless Steel Tubing Technical Details
| AISI 321 seamless tube | 321 stainless steel seamless pipe | DN |
|---|---|---|
|
|
|
| UNS S32100 welded tube | INOX 321 welded pipe | SA312 321 SS pipe end |
|
|
|
| Length | ASTM A312 TP321 meaning | SA 213 TP 321meaning |
For custom length please contact below listed stainless steel 321 pipe suppliers in UAE |
|
|
| SA312 321 SS pipe & tube wall thickness | Fluid SS 321 seamless pipe | 1.4541 stainless steel pipe & tube ASTM standard |
|
Contact listed stainless steel 321 pipe suppliers for SA213 TP321 seamless pipes without weld for conveying |
|
| Surface finish and treatments | ASTM A312 TP321 meet standards | Material group |
|
|
|
| ASME SA 213 TP321 pipe finish | SA 312 TP 321 pipe wall types | UNS S32100 stainless steel tube finishing treatment |
|
|
|
| QC and SA 213 TP 321 pipe & tube supporting documents | List of leading stainless steel 321 pipe manufacturers | 321 ss seamless tubing value added services |
Refer above before buying stainless steel 321 pipe from manufacturers, suppliers, stockholders, traders, stockist, or importers |
Check ex-stock of above make with listed stainless steel 321 pipe suppliers |
|
| SA312 321 SS pipe end | Density | Stainless steel 321 pipe manufacturing methods |
|
7.9 g/cm 3 |
|
AISI 321 Seamless Tube Temperature Range
| Test Temperature / °F/°C | Tensile Strength ksi / MPa | Yield Strength 0.2% Offset ksi / MPa | Elongation in 2-inch gauge / % |
|---|---|---|---|
| 600 or 316 | 64.2 / 443 | 23.1 / 159 | 26.0 |
| 200 or 93 | 75.2 / 518 | 30.2 / 208 | 39.5 |
| 800 or 427 | 62.7 / 433 | 21.2 / 146 | 25.0 |
| 400 or 204 | 66.0 / 455 | 26.0 / 179 | 28.0 |
| 1200 or 649 | 54.4 / 375 | 21.1 / 146 | 19.5 |
| 1000 or 538 | 61.3 / 423 | 21.0 / 145 | 23.0 |
| 1600 or 871 | 22.5 / 155 | 16.2 / 112 | 48.0 |
| 1400 or 760 | 37.9 / 261 | 21.1 / 146 | 23.0 |
| 1800 or 982 | 11.3 / 78 | 8.0 / 55 | 41.0 |
Find only Genuine Stockist and Distributors of Stainless Steel 321 Pipe in Dubai
- JSS Pipes And Fittings Trading LLC : Dubai
- Deep Sea Pipes & Fittings Trading LLC : Deira, Dubai
- Sunel Wala Building Materials Trading Co. LLC : Baniyas, Dubai
- Industrial Material Supply FZCO : Jebel Ali Free Zone, Dubai
To get WNR 1.4541 Pipe for 10% to 40% Less, Get in Touch with Reliable Distributors. View Bending Procedure
Ratnamani Metals & Tubes: Indrad, Gujarat, INDIA
Alleima: Sandviken, Sweden
Sanyo Special Steel: Himeji, Japan
Tubacex: Llodio, Spain
Nippon Steel Corp.: Fujisawa, Japan
PCC Rollmet: Irvine, CA, USA
Mannesmann Stainless: Bergamo, Italy
Michigan Seamless Tube: South Lyons, MI, USA
Maruichi Stainless: Chofu-Minatomachi, JAPAN
Centravis: Nikopol, UKRAINE
Wyman Gordon: Houston, TX, USA
Bending Process for WNR 1.4541 Seamless Tube
- Mandrel tube bending
- Draw bending
- Compression bending
- Three-rolled bending
Delivery Time and Place for The DIN 1.4541 Pipe & Tube
| Export to | Price variations and estimated delivery |
|---|---|
| Vietnam | 5 % extra | 14 days |
| South Korea | 5 % extra | 7 days |
| Japan | 5 % extra | 7 days |
| Sri Lanka | 5 % extra | 5 days |
| Maldives | 5 % extra | 7 days |
| Mayanmar | 5 % extra | 25 days |
| Taiwan | 5 % extra | 15 days |
| Cambodia | 5 % extra | 9 days |
| Argentina | 5 % extra | 45 days |
| Saudi Arabia | 5 % extra | 7 days |
| Bolivia | 5 % extra | 45 days |
| Brazil | 5 % extra | 45 days to 60 days |
Other popular grades


Table of Content