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321 Stainless Steel Pipes

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321 Stainless Steel Pipes Supplier and Exporter | UNS S32100, SUS 321 & DIN 1.4541 | Leoscor Alloy Pipes

321 Stainless Steel Pipes are titanium-stabilized austenitic stainless steel pipes designed for applications requiring excellent heat resistance, corrosion resistance, and long-term durability under elevated temperature conditions.

Leoscor Alloy Pipes is a trusted manufacturer, stockist, supplier, and exporter of SS 321 Pipes, providing high-quality piping solutions in different sizes, wall thicknesses, schedules, and customized specifications according to industrial requirements.

SS 321 Pipes are titanium-stabilized stainless steel pipes developed from the 304 stainless steel family. The addition of titanium helps prevent carbide precipitation during welding and high-temperature exposure, improving resistance against intergranular corrosion.

These pipes maintain good mechanical strength and corrosion resistance during prolonged service at elevated temperatures. Due to their stable performance, 321 Stainless Steel Pipes are widely used in thermal, chemical, and industrial applications.

The grade is internationally identified through different material designations including UNS S32100 Stainless Steel Pipes, SUS 321 Stainless Steel Pipes, DIN 1.4541 Stainless Steel Pipes, and X6CrNiTi18-10 Stainless Steel Pipes.

Leoscor Alloy Pipes supplies premium-quality Stainless Steel Pipes including 321 Stainless Steel Pipes with customized dimensions, inspection documents, and technical support. Contact us today to discuss your requirements and get a competitive quotation.

SS 310 Welded Pipes & Tubes Supplier

Equivalent Names of 321 Stainless Steel Pipes

Equivalent Name Standard / Country Explanation
UNS S32100 Stainless Steel Pipes USA (Unified Numbering System) Material designation used for SS 321 Pipes.
SUS 321 Stainless Steel Pipes Japan (JIS/SUS Standard) Japanese designation used for SS 321 Pipes.
DIN 1.4541 Stainless Steel Pipes Germany / Europe (DIN/EN Standard) European material number for SS 321 Pipes.
X6CrNiTi18-10 Stainless Steel Pipes EN Common Designation European chemical designation for SS 321 material.

Key Benefits of 321 Stainless Steel Pipes

321 Stainless Steel Pipes supplied by Leoscor Alloy Pipes offer the following advantages:

  • Excellent High-Temperature Performance: Maintains strength and stability during prolonged heat exposure.
  • Titanium Stabilization: Helps prevent carbide precipitation and improves resistance against intergranular corrosion.
  • Superior Corrosion Resistance: Performs well against oxidation, organic chemicals, and corrosive environments.
  • Good Weldability: Suitable for fabrication and welding operations.
  • High Durability: Provides long service life in demanding industrial conditions.
  • Wide Temperature Capability: Performs effectively in both high-temperature and cryogenic applications.
  • Multiple Configurations: Available in seamless, welded, ERW, EFW, and fabricated forms.

SS 321 Pipes Specifications

Standard specifications for SS 321 Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.

Specifications Details
Specifications ASTM A312 / ASME SA312, ASTM A358 / ASME SA358
Dimensions ASTM, ASME and API
SS 321 Pipes 1/2″ NB – 16″ NB
ERW 321 Pipes 1/2″ NB – 24″ NB
EFW 321 Pipes 6″ NB – 100″ NB
Size 1/8″ NB to 30″ NB
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipes, “U” Shape, Hydraulic Pipes
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End, Threaded

321 SS Pipes - Industries & Applications

Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:

  • Gas Processing Industries
  • Petrochemical Industries
  • Power Generation Industries
  • Food Processing Industries
  • Chemical Industries
  • Oil & Gas Industries
  • Fertilizers Industries
  • Sugar Industries

Get Quote for Your Requirement

Contact Leoscor Alloys Pipes for high quality industrial pipes and tubes. Mail- info@leoscoralloypipes.com

Types of Stainless Steel 321 Pipes

SS 321 Welded Pipes 321 Stainless Steel Welded Pipes
Steel 321 Welded Pipes SS 321 Seamless Pipes
321 Stainless Steel Seamless Pipes Steel 321 Seamless Pipes
SS 321 ERW Pipes 321 Stainless Steel ERW Pipes
Steel 321 ERW Pipes SS 321 Fabricated Pipes
321 Stainless Steel Fabricated Pipes Steel 321 Fabricated Pipes
SS 321 LSAW Pipes 321 Stainless Steel LSAW Pipes
Steel 321 LSAW Pipes Stainless Steel 321 Pipes

321 SS Pipes Chemical Composition

Grade 321
min max
C – 0.08
Mn – 2.0
Si – 0.75
P – 0.045
S – 0.030
Cr 17.0 19.0
Mo – –
Ni 9.0 12.0
N – 0.10

321 SS Pipes Mechanical Properties

Grade 321
Tensile Strength (MPa) min 515
Yield Strength 0.2% Proof (MPa) min 205
Elongation (% in 50mm) min 40
Hardness Rockwell B (HR B) max 95
Rockwell B (HR B) max 217

SS 321 Pipes Physical Properties

Grade 321
Density (kg/m3) 8027
Elastic Modulus (GPa) 193
Mean Coefficient of Thermal Expansion (m/m/0C) 0-1000C 16.6
0-3150C 17.2
0-5380C 18.6
Thermal Conductivity (W/m.K) at 1000C 16.1
at 5000C 22.2
Specific Heat 0-1000C (J/kg.K) 500
Electrical Resistivity (n.m) 720

Stainless Steel 321 Pipes Price List

Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 321 Pipes are very competitive.

Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for 321 Stainless Steel Seamless and Welded Pipes.

Stainless Steel 321 Pipes Stock Availability

We maintain huge inventories of all standard sizes and grades.  Please send us your complete requirement and we will send you the availability with the best quote for Stainless Steel 321 Pipes.

Click to send your requirement.

  • Huge inventory of all standard sizes and grades.
  • Distributors of all reputed origins and manufacturers.
  • Strict quality control policies and highly experienced team.
  • Strong logistics & delivery channels.
  • Modern Infrastructure with huge storage capacity.
  • An ISO 9000:2015 Certified Company.

Prominent Countries where we export 321 SS Pipes

Exporting  Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes  Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy,  Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia,  South Korea, South Africa, Sri Lanka, Syria,  Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.

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