Stainless Steel 321 / 321H Flanges

UNS S32100 Flanges, Stainless Steel 321 Flanges, 321 Stainless Steel Flanges, ASTM A182 F321H Flanges, SS 321 Raised Face Flange, SS 321 Pipe Flanges, SS 321 Threaded Flange, ANSI B16.5 Stainless Steel 321 Flanges, SS 321 Flange, Stainless Steel 321 Flanges Manufacturer in Gujarat,India.

Sainest Pipes and Tubes Pvt Ltd is a renowned manufacturer, and exporter of Stainless Steel 321 and 321H flanges, offering high-quality products that meet the demanding requirements of industries worldwide. Stainless Steel 321 and 321H are stabilized austenitic stainless steels, containing titanium as the primary stabilizing element. These grades are specifically designed to resist carbide precipitation and intergranular corrosion, making them ideal for high-temperature applications. Stainless Steel 321, with its excellent resistance to oxidation and corrosion, is commonly used in environments where high temperatures and aggressive chemical exposure are a concern, such as in the aerospace, petrochemical, and power generation industries.

The company manufactures a broad range of Stainless Steel 321 and 321H flanges, including weld neck, slip-on, blind, threaded, and socket weld types, which are available in various sizes, pressure ratings, and face types. These flanges are engineered for reliability and durability, ensuring secure and leak-proof connections in critical applications. Stainless Steel 321H, with its higher carbon content, is designed for use in even more extreme environments, offering improved strength and resistance at higher temperatures. The wide variety of flange types available ensures that Sainest Pipes and Tubes Pvt Ltd can meet the specific needs of clients in sectors like chemical processing, oil and gas, and heat exchangers.

Stainless Steel 321 / 321H Flanges

Sainest Pipes and Tubes Pvt Ltd’ Stainless Steel 321/321H flanges are manufactured in accordance with international standards such as ASTM, ASME, DIN, and JIS, ensuring that each product adheres to rigorous quality and performance criteria. These flanges are designed to withstand high-temperature environments up to 900°C (1652°F) for intermittent service and 925°C (1697°F) for continuous service, making them ideal for use in heat exchangers, reactors, and other industrial applications. The material’s resistance to scaling and its excellent oxidation properties ensure that the flanges will perform reliably, even in harsh and high-temperature conditions.

As a trusted exporter, Sainest Pipes and Tubes Pvt Ltd supplies Stainless Steel 321/321H flanges to a wide array of international markets, including Oman, Qatar, Kuwait, Spain, UAE, Saudi Arabia, Japan, Germany, the United States, the United Kingdom, South Korea, South Africa, and many more. The company’s robust export network allows them to serve a diverse global customer base, ensuring timely and efficient delivery of products. Whether it’s a small order or large bulk supply, Sainest Pipes and Tubes Pvt Ltd has the capability to meet the needs of clients across different regions with exceptional product quality and customer service.

Sainest Pipes and Tubes Pvt Ltd also serves as a prominent stockist of Stainless Steel 321/321H flanges, maintaining an extensive inventory to support both regular orders and urgent requests. This large inventory enables the company to fulfill customer orders quickly and efficiently, minimizing lead times and reducing the risk of project delays. The company’s ability to provide fast turnaround times, along with a comprehensive range of flange sizes and specifications, has made it a reliable source for businesses worldwide.

Specification For SS 321 / 321H Flanges

Specifications ASTM A182 / ASME SA182
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2" (15 NB) to 48" (1200NB)
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Sainest Pipes and Tubes Pvt Ltd has built a solid reputation for quality, reliability, and excellent customer service in the global market for Stainless Steel 321/321H flanges. By adhering to strict manufacturing standards, offering a wide variety of products, and maintaining a large inventory, the company ensures that its clients receive durable, high-performance flanges that meet the unique requirements of their projects. As a trusted Manufacturer and Exporter to industries worldwide, Sainest Pipes and Tubes Pvt Ltd continues to provide cost-effective and reliable solutions for industries in need of superior stainless steel flanges.

Equivalent Grades Of Stainless Steel 321 / 321H Flanges

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

SS 321 / 321H Flanges Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

321 / 321H SS Flanges Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 321 / 321H 8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

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Domestic Supply of Stainless Steel 321 / 321H Flanges

  • Thane
  • Pune
  • Indore
  • Chennai
  • Nagpur
  • Ludhiana
  • Ranchi
  • Rajkot
  • Hyderabad
  • Kolkata
  • Jaipur
  • Haryana
  • Secunderabad
  • Surat
  • Howrah
  • Gurgaon
  • New Delhi
  • Noida
  • Faridabad
  • Navi Gujarat, India.
  • Jamshedpur
  • Ahmedabad
  • Gujarat, India.
  • Ernakulam
  • Kanpur
  • Bhopal
  • Chandigarh
  • Bengaluru
  • Visakhapatnam
  • Thiruvananthapuram
  • Pimpri-Chinchwad
  • Nashik

International Supply ofStainless Steel 321 / 321H Flanges

Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands.

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