Alloy Steel Flanges Manufacturers, Exporters, Suppliers in the US
Nakoda Steel Industry stands at the forefront of the global manufacturing, supplying, and exporting of high-quality alloy steel flanges, catering to industrial applications in the US and worldwide. As a renowned name in the industry, we offer a comprehensive range of Alloy Steel F12 Flanges, which are precisely engineered to meet the most stringent quality standards and performance requirements. Our flanges are designed to withstand extreme conditions and provide exceptional durability, making them the perfect choice for diverse industrial sectors.

Premium Quality Alloy Steel F12 Flanges for High-Performance Applications
Nakoda Steel Industry is a leading manufacturer and supplier of Alloy Steel F12 Flanges in the US, offering top-notch flanges for various industrial applications. Whether you’re looking for Alloy Steel Slip On Flanges, Alloy Steel Threaded Flanges, or Alloy Steel Weld Neck Flanges, we deliver products that promise reliability, longevity, and superior performance.
The Alloy Steel F12 Flanges are well-known for their remarkable resistance to crevice and stress corrosion cracking, making them ideal for use in highly demanding environments. These flanges are designed to operate efficiently at high temperatures, with a maximum temperature tolerance of 450°C. The low carbon content in these flanges significantly reduces the risks of inter-crystalline corrosion during welding or cooling.
Why Choose Nakoda Steel Industry for Alloy Steel F12 Flanges?
- Superior Resistance to Corrosion and Stress: The Alloy Steel F12 Blind Flanges we offer are particularly known for their excellent resistance to setting in chloride solutions. They also demonstrate superior resistance to both crevice and stress corrosion cracking. This makes them an ideal choice for environments where corrosion and wear and tear are a concern.
- Non-Twisting, Contortion-Free Design: One of the key benefits of our Alloy Steel Slip On Flanges is their non-twisting, contortion-free design. This unique feature ensures that these flanges provide a stable and durable connection that can stand up to the stresses of high-pressure and high-temperature environments.
- High Temperature Tolerance: Our Alloy Steel Weld Neck Flanges feature high-quality, continuous toughening heaters that are generally heated by gas-fired radiation tubes, which are designed to separate combustion gases from the passive environment. This technology provides a more controlled temperature distribution and ensures long-term durability.
- Low Carbon Content for Stronger Welding Performance: Due to the low carbon content in Socket Weld Flanges, they are highly resistant to inter-crystalline corrosion during welding or cooling. This makes them an ideal choice for applications where welding integrity and quality are essential.
- Precision Engineering for Seamless Performance: Our flanges are made from Alloy Steel that undergoes a rigorous manufacturing process to ensure precise dimensions, high strength, and long-term performance. We specialize in ANSI B16.5 and ASME SA182 Alloy Steel F12 Pipe Flanges, which are available in sizes ranging from 1/2″ (15 NB) to 48″ (1200 NB), and are built to meet industry standards.
Alloy Steel F12 Pipe Flanges: Specifications and Standards
Nakoda Steel Industry offers Alloy Steel F12 Pipe Flanges in compliance with international standards, ensuring their reliability and efficiency in various industrial sectors. Our products are available in the following specifications:
- Specifications: ASTM A182 / ASME SA182
- Sizes: 1/2″ (15 NB) to 48″ (1200 NB)
- Class / Pressure Ratings: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64, and more.
- Standards: ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Our Alloy Steel F12 Flanges are available in a variety of configurations including Threaded Flanges, Blind Flanges, Weld Neck Flanges, and Lap Joint Flanges. These flanges are designed to withstand the most extreme environments, ensuring that the integrity of the pipeline or system remains intact under pressure and high temperatures.
Alloy Steel Flanges for Every Industrial Need
At Nakoda Steel Industry, we understand that different industrial applications require different types of flanges. That’s why we provide a wide range of flanges including:
- Alloy Steel Spectacle Blind Flanges: Known for their superior corrosion resistance and toughness, they are ideal for high-pressure applications.
- Alloy Steel Lap Joint Flanges: These are perfect for situations where frequent disassembly is required, offering ease of maintenance without compromising performance.
- Chrome Moly Ring Type Joint Flanges: Excellent for applications in high-pressure systems, offering robust sealing performance.
Our Alloy Steel F12 Pipe Flanges meet various international standards such as EN 10204 3.1B, ensuring that all products are thoroughly inspected and certified before dispatch. We also offer a range of tests including tensile testing, hardness testing, chemical analysis, and spectro analysis to guarantee the highest quality.
Stringent Testing and Quality Assurance
Nakoda Steel Industry guarantees that every product we manufacture undergoes stringent quality control to ensure it meets the highest industry standards. We provide the following testing certificates to our clients:
- Raw Materials Certificate
- 100% Radiography Test Report
- Third-Party Inspection Report
- Ferrite Content Tests
- Tensile and Hardness Testing
- Micro and Macro Tests
- Pitting Resistance Testing
- Intergranular Corrosion Testing
These tests ensure that our Alloy Steel F12 Flanges meet the requirements of even the most demanding applications in industries such as oil and gas, petrochemical, marine, chemical processing, and power plants.
Alloy Steel Flanges for the US Market
With a robust supply chain and state-of-the-art manufacturing facilities, Nakoda Steel Industry is your go-to partner for Alloy Steel Flanges in the US. We offer competitive pricing, exceptional customer service, and on-time delivery, ensuring that you receive top-quality flanges that perfectly suit your needs.
As a leading supplier of Alloy Steel Flanges in the US, we have built a strong reputation for providing high-performance products tailored to meet the specific needs of our customers. Our extensive stock of Alloy Steel Flanges ensures that we can fulfill large orders with quick turnaround times, making us a reliable supplier for industrial businesses across the country.
Nakoda Steel Industry is a trusted Alloy Steel Flanges Manufacturer, Exporter, and Supplier with a comprehensive range of products designed for high-pressure and high-temperature industrial applications. With our focus on quality, performance, and customer satisfaction, we are dedicated to providing flanges that exceed your expectations.
For more information on our products and services, contact us today to discuss your requirements or request a quote.