What is Alloy Steel Flanges?

Alloy steel flanges are components used in piping systems to connect pipes or valves. They are made from a combination of steel and various alloying elements such as chromium, molybdenum, nickel, or vanadium. This blend enhances their mechanical properties, making them suitable for demanding applications where strength and durability are paramount.

Alloy steel flanges generally exhibit good machinability, allowing for ease of modification to meet specific requirements. The alloying elements in the steel composition can influence machinability, with some alloys being more easily machined than others. However, proper tool selection and machining techniques are crucial to ensure optimal results.

Alloy Steel Flanges

One of the key features of alloy steel flanges is their excellent corrosion resistance. The alloying elements in the steel formulation create a protective layer on the surface, preventing corrosion and oxidation even in harsh environments. This corrosion resistance extends the lifespan of the flanges and ensures reliable performance over time, particularly in industries such as chemical processing, oil and gas, and marine applications.

Alloy steel flanges are typically designed to be weldable, allowing for easy joining with other components in the piping system. Proper welding techniques and compatible filler materials are essential to maintain the integrity and strength of the weld joints. The weldability of alloy steel flanges makes them versatile for various fabrication processes, including welding, brazing, and soldering.

The use of alloy steel in flanges offers several advantages. These include high strength, which allows for the handling of high-pressure and high-temperature applications. Additionally, the corrosion resistance properties enhance durability and minimize maintenance requirements, resulting in cost savings over the long term. Furthermore, the weldability and machinability of alloy steel flanges facilitate ease of installation and customization to suit specific project needs.

Alloy steel flanges find widespread applications across numerous industries, including petrochemical, power generation, pharmaceuticals, and aerospace. They are commonly used in piping systems for conveying fluids or gases under high pressure and temperature conditions. Additionally, alloy steel flanges are integral components in equipment such as boilers, heat exchangers, and reactors, where reliability and performance are critical.

Alloy steel flanges are employed in various industrial settings for connecting pipes, valves, and fittings in fluid handling systems. They are utilized in oil refineries, chemical plants, and offshore platforms for transporting hydrocarbons and chemicals. Moreover, they play a vital role in power plants for steam and water distribution. In summary, alloy steel flanges offer superior mechanical properties, corrosion resistance, and weldability, making them indispensable components in demanding industrial applications.

Apple Steels is a leading manufacturer, supplier and Stockist of alloy steel flanges in Mumbai, India. Specializing in high-quality piping solutions, we offers a wide range of alloy steel flanges known for their strength and durability. With a reputation for excellence, we provides reliable products to various industries worldwide.

Manufacturing Process Of Alloy Steel Flanges

Raw Material

Raw Material

At the very first process, the system controls check the quality of supplies raw materials as per the test certificate and also visual and dimension.

Material Inspection

Material Inspection

Incoming quality control (IQC) is the process of observes the quality of materials and parts for manufacturing a product before production starts.

Material Cutting

Material Cutting

In this process refers to manufacturing flanges by cutting stripes from the middle plate and then rolling them into round shape.

Flange Forging

Flange Forging

Forged flanges generally have lower carbon content than cast flanges and are less disposed to rust. In Forgings Material Grade Check, weight measuring, and control the temperature.

Final Inspection

Final Inspection

In this method measure & inspect the dimension & size of the flange. The diameter is check to control what size pipe a flanges can be used.

Specification Of Alloy Steel Flanges

Standard ASTM A182 / ASME SA182
Dimensions ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Flange Size Chart 1/2" (15 NB) to 48" (1200NB), DN10~DN5000
Pressure Rating Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K
Flange Connection / Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove, Flange Pipe.
Origin West Europe / Japan / Indian / USA / Korean
Types of Flanges Threaded / Screwed / Forged / Plate
Coating Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized
Test Of Flange Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine.
Production technique Used Heat treated, Forged and Machined
Equipment Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc.
Test Certificates EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc

Types Of Alloy Steel Flanges

Slip On Flanges

Slip On Flange

Weld Neck Flanges

Weld Neck Flange

Blind Flanges

Blind Flange

Threaded Flange

Threaded Flange

Socket weld Flange

Socket Weld Flange

Lap Joint Flanges

Lap Joint Flange

Other Types Of Alloy Steel Flanges

  • Alloy Steel Slip on Flange
  • Chrome Moly Weld Neck Flange
  • Alloy Steel Blind Flange
  • Alloy Steel Threaded Flange
  • CrMo Socket weld Flange
  • Alloy Steel Lap Joint Flange
  • Alloy Steel Spectacle Blind Flange
  • Alloy Steel Long Weld Neck Flange
  • High Pressure Steel Forged Flanges

Alloy Steel Flanges Technical Information

Alloy Steel Flanges Industrial Application

Electrical Industry

Automotive Industry

Construction Industry

Defence Industry

Pharmaceutical Industry

Petroleum Industry

Petrochemical Industry

Milk & Dairy Industry

Export & Supply Destination of Alloy Steel Flanges

Italy, Ireland, Slovakia, Belgium, Romania, Netherlands, Lithuania, Portugal, Croatia, Belarus, Greece, Latvia, Moldova, Switzerland, France, Estonia, Czechia/Czech Republic, Malta, Hungary, United Kingdom, Russia, Sweden, Ukraine, Denmark, Germany, Liechtenstein, Azerbaijan, Finland, Serbia, Bulgaria, Spain, Austria, Luxembourg, Cyprus, Monaco, Turkey, Norway, Poland.

Macau, Indonesia, Armenia, Bahrain, Maldives, Saudi Arabia, Philippines, Malaysia, Mongolia, Myanmar, Kuwait, Qatar, Lebanon, China, Egypt, Afghanistan, Bhutan, Japan, Vietnam, Azerbaijan, Bangladesh, Singapore, Russia, Hong Kong, Sri Lanka, British, Nepal, Turkey, Kyrgyzstan, Iran, North Korea, India, Taiwan, Thailand, United Arab Emirates, Iraq, Jordan, Oman, Israel, South Korea.

Ethiopia, Algeria, Cameroon, Tanzania, Zambia, Zimbabwe, Central African Republic, Tunisia, South Africa, Nigeria, Namibia, Kenya, Gambia, Angola, Liberia, Libya, Morocco, Botswana, Rwanda, Burkina Faso, Mauritius, Mauritania, Senegal, Burundi, Egypt, Uganda, Niger, Seychelles, Mozambique, Eswatini, Madagascar.

Canada, Belize, Bolivia, Nicaragua, Suriname, Venezuela., Argentina, Grenada, Jamaica, Antigua and Barbuda, Cuba, Haiti, Ecuador, Dominican Republic, El Salvador, Guatemala, Uruguay, Chile, Dominica, United States of America, Bahamas, Panama, Costa Rica, Paraguay, Peru, Mexico, Saint Vincent and the Grenadines, Colombia, Brazil, Trinidad and Tobago, Saint Lucia, Barbados, Guyana, Honduras.