ASME SA213 TP 321 Stainless Steel Tubing in India

Manufacturer, Exporter, and Supplier of ASTM A213 Type 321 Seamless Tubes

Mcneil Instrument is a manufacturer, exporter, and supplier of various stainless steel pipes, including ASTM A213 Type 321 Seamless Tubes. SA213 Tp321 is a specification for heat exchanger tubes manufactured from 321 austenitic stainless steel. This specification, SA 213, covers pipe products designed for heat exchangers using different material grades, encompassing both ferritic and austenitic steels. The distinctive feature of SA213 Tp321 Material lies in its composition, which incorporates titanium. This addition serves to decrease the density of the ASME SA213 Tp321, rendering it lightweight.

Mcneil Instrument a manufacturer, supplier and exporter of  top grade 321 Stainless Steel Exhaust Tubing designed for automotive systems. The ASTM A213 Tp 321 pipes provided by Mcneil Instrument come with enhanced corrosion resistance properties, thanks to the addition of titanium. This addition also helps reduce the risk of intergranular corrosion commonly found in high carbon steels. Mcneil Instrument’s 321 Stainless Steel Tubing is known for its longevity in high-temperature environments, making it ideal for use in heat exchangers and superheaters. The range includes various types such as 321 Stainless Steel Flexible Tubing, known for its easy installation and maintenance. These tubes find applications in boilers and condensers as well.

Mcneil Instrument is a manufacturer and supplier of high quality 321 SS Tubing in various sizes and types, including seamless tubing suitable for smaller piping with high precision. This corrosion-resistant steel is also referred to as 321 Cres Tubing. Customers can also request custom finishes for these pipes. For inquiries regarding product details or pricing, please don’t hesitate to contact Mcneil Instrument.

321 Stainless Steel Tube sizes

s321 Stainless Steel Seamless Tubing

Size: 1/2″ OD – 12″ OD
OD: 3.00 – 219.10 mm
Thickness: 0.40 – 12.70 mm
Length: Single, Double Random & Cut Length

TP 321 Erw / Welded Tubing

Size: 1/2″ – 12″ OD, Guage: 25 SWG – 10 SWG
OD: 6.35 to 114.3 mm O.D
Thickness: 0.8 – 12.7 mm
Length: up to 26 Meters

SA 213 TP 321 Stainless Steel Tubing Specification

Check Dimensions & sizes of 321 SS Welded Tubing
321AMS 5557, 5570, 5576, 5645
321MIL-T-8606, 8808, 8973


Standard SpecificationAMS 5557, 5559, AMS 5570, MI-L-T 8808, MIL-T-8606
ASTM A213 / ASME SA 213Standard Specification for 321 Stainless Steel Seamless Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes
ShapesSA 213 TP 321 Stainless Steel Round, Rectangular, Square, Hydraulic, Straight, “U” Shape, Coiled, Honed Tubes, Pan Cake Coils
Manufacturing TypeSeamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded
Delivery ConditionAnnealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF
Surface FinishBA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish ASME SA213 TP321 Tubing or Custom Finish as per customer’s specification
Thickness RangeSCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS
Relevant StandardASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A554, ASTM A249, ASTM A269, ASTM A270, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296
Value Added Services
  • Cutting
  • Beveling
  • Threading
  • Polishing (Electro & Commercial)
  • Draw & Expansion as per required Size & Length
  • Destructive and Non Destructive
  • Ultrasonic Testing
  • Annealed & Pickled Bending
Swg & Bwg10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
ENDPlain End, Beveled End, Treaded SS 321 Tube
Processing ServiceBending, Welding, Decoiling, Punching, Cutting, Moulding
TechniqueASTM A 213 321 Stainless Steel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube
  • Outer Diameter: +/- 0.2mm
  • Thickness: +/- 10% OR as customer request
  • Length: +/- 10mm
  • Specification
  • Material Grade
  • Nominal Size
  • Schedule or Wall Thickness
  • Method of Manufacturing (Seamless / Welded)
  • Heat Number
  • Manufacturer’s Name or Custom Logo – on request

Marked Pipe Sample: 321 Stainless Steel 12″ NB SCH 40S SEAMLESS HEAT NO. XXXX

Test Certificate
  • DFARS compliant
  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
  • 100% Radiography Test Report
  • Raw Materials Certificate
  • Third Party Inspection Report
  • Fumigation Certificates
  • Heat Treatment Charts
  • HS Code Commercial Invoice
  • Form A for Generalized System of Preferences (GSP)
  • Manufacturer Test Certificate
  • Moisture testing
  • Surface roughness measurement
  • Laboratory Test Certificate from Govt. Approved Lab
Stainless Steel 321 Tubing PackagingPacked in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request
PortMumbai, India
Uses & Application
  • Common industrial services (Petroleum, chemical, paper, fertilizer, fabric, aviation and nuclear)
  • Fluid, gas and oil industry
  • Heat transmission and pressure service
  • Construction and ornamental
  • Boilers and Heat exchangers
  • Decoration purpose, boiler, auto parts, medical device, food industry, building materials)
Features of our ASME SA213 TP 321 Stainless Steel Tubing
  1. Premium Quality Material: Our tubing is crafted from high-grade ASME SA213 TP 321 stainless steel, ensuring exceptional corrosion resistance, high-temperature strength, and excellent weldability.
  2. Precision Manufacturing: Employing advanced manufacturing techniques, we ensure precise dimensions, smooth finishes, and uniform wall thickness throughout our tubing range, meeting ASME standards for seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
  3. Versatile Applications: Designed to withstand extreme conditions, our TP 321 stainless steel tubing finds application in various industries, including chemical processing, oil and gas, petrochemicals, pharmaceuticals, and more.
  4. Enhanced Performance: With its superior mechanical properties and resistance to intergranular corrosion, our tubing delivers outstanding performance in high-temperature environments, making it ideal for critical operations.
  5. Customization Options: We understand the unique requirements of different projects. Therefore, we offer customization options such as different sizes, lengths, and surface finishes to cater to specific needs.
  6. Compliance and Certification: Our ASME SA213 TP 321 Stainless Steel Tubing adheres to stringent quality norms and undergoes thorough testing to ensure compliance with international standards. We provide relevant certifications and documentation to guarantee the authenticity and quality of our products.
  7. Reliable Supply Chain: With a robust supply chain network, we ensure timely delivery of orders, both domestically and internationally, maintaining consistency and reliability in our services.

Whether you require tubing for high-pressure applications, corrosive environments, or demanding industrial processes, Mcneil Instruments stands ready to meet your needs with our premium ASME SA213 TP 321 Stainless Steel Tubing. Trust us for superior quality, exceptional service, and unmatched value for your investment.

SS 321 Tubes for sale

ASME SA213 TP321 Exhaust Tubing321 Stainless Steel Dom Tubing
SS 321 Rectangular TubingSA 213 TP 321 Stainless Steel Hydraulic Tubing
ASTM A 213 321 Stainless Steel Seamless TubingASME SA213 TP321 Round Tubing
ASTM A213 TP 321 EFW TubeJIS SUS321 UNS S32100 High Precision Tubes
SA 213 Gr 321 ERW TubeSA213 TP321 Coil Tubing
Stainless Steel 321 Electropolished TubingSS 321 12mm Tubing
SA213 321 SS Small Diameter TubingASTM A 213 321 Stainless Steel Elliptical and Oval Tubes
JIS SUS321 UNS S32100 High Pressure TubingStainless Steel 321 Heat exchanger Tubes
Grade SA213 TP321 Cold Drawn Seamless TubingSA213 321 SS Condenser Tubes
321 Stainless Steel Instrument TubingSS UNS S32100 Sanitary Tube
SA 213 TP 321 Stainless Steel Square TubingDIN 1.4541 Stainless Steel 321 1 inch Tube


ASTM A 213 321 Stainless Steel Tubing Mechanical Properties

Nominal ODNominal WallUltimate KSIYield KSIElongation
.188 and less.016 and less75-120 maximum35%
75-105 maximum30 min
Over .01635%
Over .188.010 and75-115 maximum30 min35%
Thru .500Less
inclOver .01075-105 maximum35%
Over .500All75-100 maximum30 min35%


Stainless Steel 321 Tube Chemical Composition

Weight %NiCrMnCSiSP


SA213 321 SS Equivalent

SS 3211.4541S32100

With ASME SA213 TP 321 Stainless Steel Tubing, we also offer a wide range of other stainless steel products to cater to diverse industry needs. Whether you’re in the automotive, aerospace, petrochemical, or any other industry, you can rely on Mcneil Instruments for all your stainless steel tubing needs.

With our commitment to quality, reliability, and customer satisfaction, Mcneil Instruments has established itself as a trusted name in the stainless steel tubing industry. Contact us today to learn more about our products and services, and how we can help meet your specific requirements.