Stainless Steel 321 Pipes - Manufacturer, Supplier

SS 1.4541 Seamless Pipes, Stainless Steel 321 Seamless Pipe, SS UNS S32100 Pipes, ASTM A312 TP321 SS Welded Pipes, Stainless Steel 321 Pipes Supplier in Mumbai, India.

As an acclaimed enterprise we Piyush Steel are engaged in serving a huge assortment of Stainless Steel 321 Pipes. We are manufacturer, supplier, and exporter of the product to both our domestic as well as global customers. In respect to the national and international standard, we serve our quality standard product in a diverse range, dimensions, specifications, thickness and size as per the requisites mention by our clients. The fabrication of these pipes is being processed with the utility of premium quality of raw material. Therefore to meet quality standard product this raw material is well tested and audited by our quality auditors to check impurity in the material. We are mechanically propelled with skilled professionals and experience technocrats that help to meet global standard product. Furthermore, we install the latest machinery and high tech equipment at our plant to carry out the accurate dimensional and high-end product.

Product details
Stainless Steel S32100 Seamless Pipes are the chromium-nickel austenitic steel alloy pipe that is stabilized with titanium content. These pipes are generally used for services in the temperature range of 1000-1600 degree F. Furthermore these are applicable those circumstances that involve regular and intermittent service temperature within carbide precipitation range of 800-1500 degree F. However the presence of stabilized titanium minimizes and prevents carbide precipitation at the time of welding and in 427-816 degree C.
This alloy of pipes features superior resistance to general corrosion in comparison to other range. Therefore it shows excellent resistance to Intergranular corrosion at elevated temperature. Furthermore, these also resist oxidation up to 816 degree C and offers superior high-stress rupture and creep properties. The pipes have good low-temperature toughness and also resist polythionic acids and stress corrosion cracking in soaring temperatures. The pipes are highly resistant to sterilizing solutions, atmospheric corrosion and many various organic and inorganic chemicals.
Basically, the pipes are not hardened by thermal treatment but the hardness and strength of the pipes in substantially increased through the cold working process. However, the pipes are solution treated at a temperature range of 950 -1120 degree C and get rapidly cooled for obtaining maximum corrosion resistance. In addition for obtaining stressed relief, these are heated up to 1290 degree F for 1 to 2 hours and are air cooled. These are readily drawn and formed, similarly with the standard welding practices the pipes are easily welded and possess superior weldability.

Testing & quality checking
In order to meet a high level of the quality standard product, we conduct stringent quality testing and inspection program at our manufacturing unit. Thus our entire product is gone from all stage of production to check any fault and error in the product. These tests are like-
• Pitting resistance test
• Hardness test
• Mechanical test
• Macro/micro test
• Intergranular corrosion test
• Ultrasonic test
• Radiography test
• Tensile strength test
• Positive material test
• Flattening test

Test certificates
On the request of the customers, we provide the material test certificates in accordance with EN 10204/3.1B. These certificates are like-
• Third-party inspection report
• Raw material test certificates
• 100% radiography test reports

Documentation
We also provide reliable documentation to our esteem customers that feature complete product details. This documentation is like-
• Raw material test certificate
• Fumigation certificate
• Commercial invoice
• Heat treatment charts
• Guarantee letter
• NABL approved lab test reports
• Quality assurance plan
• Packaging of product

To maintain the quality of the product while shipping, we make use of prominent packaging method that assures prevention from rust and scratches. Thus we packed the products in wooden cartons, wooden pallets, and wooden cases. Furthermore, these are supplied in bundles also.

What is the chemical composition of SS 321 pipe?

Stainless Steel 321 pipe contains a minimum of 18% chromium and 8% nickel combined with a maximum of 0.08% carbon. The main elements present in the alloy are iron, chromium, and nickel, along with smaller amounts of other elements such as manganese, silicon, sulfur, and phosphorus. SS 321 is also known for its good oxidation resistance, corrosion resistance in acidic and alkaline environments, and good formability. In addition, it has high yield strength and excellent creep rupture strength at elevated temperatures and can be used up to temperatures reaching 925°C (1700°F).

What is the difference between 304 and 321 stainless steel pipes?

Stainless Steel 304 and 321 are the most popular stainless steel alloys available. They both provide excellent corrosion resistance, strength & heat resistance, although they have some differences. Stainless Steel 304 has slightly lower chromium and nickel levels than SS 321, which provides it slightly less corrosion resistance and elevated temperature strength than SS 321. Additionally, SS 304 contains higher levels of carbon than SS 321, increasing cold workability. Finally, SS 321 is often used in high-temperature environments, whereas SS 304 is not intended for use in such environments.

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ASME SA312 TP321 Stainless Steel Pipes Equivalent Grades

Stainless Steel 321 Pipe Forms in Stock

Stock Size Range and Specifications For Stainless Steel 321 Pipe

Pipe Specification : ASTM A312, A358 / ASME SA312, SA358

Dimension Standard : ANSI B36.19M, ANSI B36.10

Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock

Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Type : Seamless / ERW / Welded / Fabricated Pipes

Form : Round, Square, Rectangular, Oval, Hydraulic Etc

Length : Single Random, Double Random & Required Length

End : Plain End, Beveled End, Treaded

End Protection : Plastic Caps

Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements

Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports

Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests

Specials : Sizes and Specifications other than above can be manufactured on request

Chemical Composition of Stainless Steel 321 Pipes

Mechanical Properties of SS 321 / S32100 / 1.4541 / SUS 321 Pipes

Markings On The Stainless Steel 321 Pipes

The full identification of the pipe should be continuously marked down its whole length, including :

•   Nominal Pipe Size (Nominal Bore)
•   Schedule (Wall Thickness)
•   Specification
•   Grade
•   Method of Manufacture (Seamless or Welded)
•   Heat Number
•   Manufacturer’s Name or Symbol

Stainless Steel 321 Pipes Application Industries

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