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Square Flange

Short Description:

We have been supporting our customers for over 20 years, selling our wide product range of square flange worldwide.
Square Flanges are manufactured by superior grade of steel like Carbon Steel, Alloy Steel, Stainless Steel, etc.

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square flange details

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Manufacturing Standards: ANSI B16.9, ANSI B16.28, MSS-SP-43, GB/T12459-2017,ASME B16.9,SH3408,SH3409-96,SH3410-96,HG/T21635,DL/T 695,SY/T 0510,DIN 2615, EN10253-1, EN10253-2, Customized, etc
Size: 1/2〞(DN15)to 60〞(DN1500)
Material: CS A105/SA105N,SS 304/3034L,316/316LASTM A 182,
A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Manufacturing process Cutting,Heat treatment,Die Forging/Free Forging,CNC Machining
square flange


  • Commonly used in the following industries:
  • architecture
  • bridge
  • Petrochemical industry
  • shipbuilding
  • project
  • Offshore and onshore services
  • Power generation industry
  • Food processing industry
  • oil and gas industr
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threaded flange

Square Flange Package

  • Products are packaged to ensure that there is no damage during transit.
  • In case of exports, standard export packaging is done in wooden cases.
  • All pipes are marked with Grade, Lot No, Size, Degree and our trade mark.
  • On special requests we can also, make custom marking on our products.
  • Wooden Boxes
  • Wooden Pallets
  • Shrink-Wrapped
  • Carton Boxes

Square flange Testing

  •  Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
  •  Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
Ansi cast steel globe valve


All materials are strictly inspected at every stage of the production process from procurement to product shipment. Visually inspect them for compliance with ASTM, ASME, MSS, DIN, EN and JIS codes and standards. Support officially certified inspection agencies to witness product material reporting, dimensional and quality compliance. Factory inspections are also supported.

copper reducer

Product Description

Introducing our latest innovation in pipes and fittings - the Square Flange. As a leading manufacturer of square flanges, we are proud to offer a wide range of products designed to meet a variety of pipe and pipe needs.

Our square flanges are precision engineered to meet the highest quality and functionality standards. Whether you are looking for blind flange pipe assemblies, lap joint flanges, metal pipe flanges, plate flanges,  square tube flanges, blind flanges,steel pipe flanges, threaded flanges , butt weld flanges or weld neck flanges, we can meet your needs.

Square flange designs offer several advantages over traditional round flanges. It provides a safer, more stable connection between pipes, reducing the risk of leaks and ensuring more efficient fluid flow. Additionally, the square shape is easier to install and maintain, saving plumbers and technicians time and effort.

Made from high-quality materials such as stainless steel or carbon steel, our square flanges are built to withstand the harshest conditions and provide long-lasting performance. They also come in a variety of sizes and pressure ratings to suit a wide range of applications.

Whether you're working on a residential, commercial or industrial project, our square flanges are perfect for ensuring reliable, leak-free pipe connections. With their versatility and durability, they are suitable for use in ductwork, HVAC systems, water treatment plants, chemical treatment facilities, and more.

At our manufacturing facility, we adhere to strict quality control measures to ensure that every square flange that leaves the factory meets the highest standards of excellence. Our team of engineers and technicians is committed to continuous improvement and innovation, leveraging the latest technology and best practices to provide customers with superior products.

All in all, our square flanges are perfect for anyone who needs a reliable, durable and high-performance plumbing solution. With our wide selection, you can trust us to provide the perfect square flange for your specific requirements.



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