Alloy Steel Flanges

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Alloy Steel Flanges Manufacturer, Exporter and Supplier in Dubai, UAE

Alloy Steel Flanges, Alloy Steel Flanges Manufacturers in Dubai, Alloy Steel Flanges Suppliers, Alloy Steel Flanges Stockists in Abu Dhabi, Alloy Steel Flanges Exporters in Dubai, UAE.

Table of Contents

Alloy steel flanges are fittings used in piping systems where alloy steel is preferred for its enhanced mechanical properties, including high strength, toughness, and wear resistance. Alloy steel contains additional alloying elements such as chromium, molybdenum, nickel, or vanadium, which impart specific properties to the material.

Alloy Steel Flanges Specifications

ASTM A182 Flange Size Chart 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
ASME SA182m Alloy Steel SORF Flange Standards 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
Alloy Steel ASTM A182 Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Alloy Steel Flange Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
Alloy Steel FlangeJIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Alloy Steel FlangeUNI 6Bar 10Bar 16Bar 25Bar 40Bar
ASTM A182 FlangeEN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of ASME SA182m Alloy Steel Flange Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
ASTM A182 Flange Production technique
  • Forged, Heat treated and machined
ASTM A182 Alloy Steel Flange Connect Type/ 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
Special design As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations
ASTM A182 Flange Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
ASTM A182 Alloy Steel Flange Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Alloy Steel ASTM A182 Flange Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of Alloy Steel Flange ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. : -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Alloy Steel Flange Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Alloy Steel ASTM A182 Flange Export to Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc

Alloy Steel Flanges Chemical Composition

Grade C Mn Si S P Cr Mo
A182 F5 ≤0.15 ≤0.6 ≤0.5 ≤0.04 ≤0.03 4-6 0.44-0.65
A182 F9 ≤0.15 ≤0.6 1.00 ≤0.03 ≤0.03 8-10 0.90-1.10
A182 F11 0.05-0.2 0.3-0.8 0.5-1 ≤0.030 ≤0.030 1-1.5 1-1.5
A182 F22 0.05-0.15 0.3-0.6 ≤0.5 ≤0.04 ≤0.04 2-2.5 0.87-1.13
A182 F91 0.05-0.15 0.3-0.6 ≤0.5 ≤0.04 ≤0.04 2-2.5 0.87-1.13

Alloy Steel Flanges Manufacturers In Dubai, Alloy Steel Flanges Suppliers In Dubai, Alloy Steel Flanges Stockists In Dubai, Alloy Steel Flanges Exporters In Dubai, UAE

Alloy Steel Flanges Mechanical Properties

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %
A182 F5 415 – 585 ≥205 ≥20
A182 F9 380 min 585 min ≥30
 A182 F11 415 – 585 ≥205 ≥20
 A182 F22 415-585 ≥205 ≥20
 A182 F91 ≥590 ≥415 ≥20

Top Alloy Steel Flanges Manufacturing Company in Dubai

At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.

Alloy Steel Flanges Grades

Contact us to get a quick quote for your requirement.

We offer These Alloy Steel Flanges as per DIN, ISO, JIS or ANSI Standard.

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Advantages of Alloy Steel Flanges

  1. High Strength: Alloy steel flanges offer superior strength to standard carbon steel flanges, allowing for thinner and lighter constructions while maintaining structural integrity.
  2. Enhanced Toughness: They exhibit excellent toughness and impact resistance, making them suitable for applications subjected to high-stress conditions and dynamic loading.
  3. Improved Wear Resistance: Alloy steel flanges resist wear and abrasion, making them ideal for applications involving abrasive media or environments.
  4. High-Temperature Resistance: They retain their mechanical properties at elevated temperatures, making them suitable for high-temperature applications such as power generation and petrochemical processing.
  5. Corrosion Resistance: Certain alloy steel grades offer enhanced corrosion resistance compared to carbon steel, particularly in environments containing corrosive substances such as acids, salts, or chemicals.
  6. Versatility: Alloy steel flanges are versatile and can be used in various industries and applications, offering design and performance requirements flexibility.
  7. Wide Range of Alloys: Different alloy steel grades can be chosen to meet specific application requirements because they each have different qualities like increased strength, hardness, or corrosion resistance.
  8. Ease of Fabrication: Alloy steel flanges are readily weldable and machinable, allowing easy fabrication and installation and reducing manufacturing time and costs.

Types of Alloy Steel Flanges

Slip-On Flanges
Weld Neck Flanges
Blind Flanges
Threaded Flanges
Threaded Flanges
Socket Weld Flanges
Lap Joint Flanges

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Alloy Steel Flanges Uses

Application Industry

Since alloy steel flanges have excellent mechanical qualities and are resistant to wear corrosion, and high temperatures, they are widely used in various industries. These flanges are widely used in the oil and gas, petrochemical, power generation, and aerospace industries. They play an important part in joining equipment, valves, and pipe systems. They are perfect for applications exposed to severe operating conditions, such as high temperatures, high pressures, and corrosive environments, because of their exceptional strength, toughness, and wear resistance.

Oil & Gas Industry

Aerospace Industry

Petro Chemical Industry

Power Generation Industry

  1. Oil and Gas Industry: Alloy steel flanges are extensively used in upstream, midstream, and downstream operations, including refineries, pipelines, drilling rigs, and petrochemical plants, where high strength and corrosion resistance are essential.
  2. Petrochemical Industry: They find applications in petrochemical plants for handling corrosive chemicals, acids, and solvents, ensuring reliable performance in harsh environments.
  3. Power Generation: Alloy steel flanges are utilized in thermal power plants, nuclear power plants, and renewable energy facilities for steam piping systems, turbine connections, and heat exchangers, where high temperatures and pressures are present.
  4. Aerospace Industry: They are employed in aircraft and spacecraft manufacturing for structural components, engine connections, and hydraulic systems, where lightweight, high strength, and resistance to fatigue are crucial.
  5. Automotive Industry: Alloy steel flanges are used in automotive manufacturing for engine components, exhaust systems, and suspension systems, where strength, durability, and resistance to wear are required.
  6. Heavy Machinery: They find applications in heavy machinery manufacturing for construction equipment, mining machinery, and agricultural machinery, where high load-bearing capacity and resistance to impact and abrasion are necessary.
  7. Marine Industry: Alloy steel flanges are utilized in shipbuilding and offshore platforms for seawater piping systems, hull connections, and structural components, where corrosion resistance and strength are critical.
  8. Chemical Processing: They are used in chemical processing plants for handling corrosive chemicals, acids, and solvents, ensuring reliable performance and longevity in aggressive environments.
  9. Infrastructure Construction: Alloy steel flanges find applications in infrastructure projects such as bridges, tunnels, and buildings, where structural integrity and resistance to environmental factors are essential.
  10. Mining Industry: They are employed in mining operations for transporting abrasive slurries, ores, and tailings, providing resistance to wear, corrosion, and high pressures in challenging conditions.

How to Choose the Right Alloy Steel Flanges

  1. Identify Application Requirements: Determine the operating conditions such as temperature, pressure, fluid characteristics (including corrosiveness and abrasiveness), and environmental factors (such as exposure to chemicals or seawater).
  2. Material Grade Selection: Select the appropriate alloy steel grade based on the application requirements, considering strength, corrosion resistance, temperature resistance, and compatibility with the fluid or environment.
  3. Flange Type: Choose the suitable flange type based on the piping system requirements and installation method, such as weld neck, slip-on, socket weld, threaded, lap joint, blind, or spectacle blind flanges.
  4. Size and Dimensions: Ensure that the alloy steel flanges have the correct size, dimensions, and pressure ratings to match the piping system, including considerations such as pipe diameter, flange class, and face type (e.g., raised face or flat face).
  5. Corrosion Resistance: Verify that the alloy steel grade selected offers the required level of corrosion resistance for the specific application environment, considering factors such as exposure to chemicals, salts, or corrosive fluids.
  6. Pressure and Temperature Ratings: Choose alloy steel flanges with suitable pressure and temperature ratings to withstand the maximum operating conditions of the piping system, including any potential pressure spikes or temperature fluctuations.
  7. Quality and Standards: Ensure that the alloy steel flanges meet relevant industry standards and specifications (e.g., ASTM, ASME, ANSI, DIN) to ensure quality, reliability, and compliance with regulatory requirements.
  8. Manufacturer Reputation: Select alloy steel flanges from reputable manufacturers known for producing high-quality products and providing reliable technical support, including material certifications and documentation.
  9. Budget Considerations: Consider the budget constraints while balancing the need for quality and performance to find the most cost-effective solution for your application without compromising safety or reliability.
  10. Consultation: If necessary, consult with engineers, metallurgists, or experts in piping systems to get recommendations and assistance in selecting the right alloy steel flanges for your specific requirements.

Are Alloy Steel Flanges weldable?

Yes, Alloy steel flanges are readily weldable using common welding techniques, ensuring ease of fabrication and installation while maintaining mechanical properties.

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FAQ (Frequently Asked Questions)

What maintenance is required for Alloy Steel Flanges?

Alloy steel flanges require minimal maintenance due to their corrosion resistance and durability, but periodic inspections and cleaning may be necessary to ensure optimal performance and longevity.

Are Alloy Steel Flanges environmentally friendly?

Yes, alloy steel is a recyclable material, making alloy steel flanges environmentally friendly and contributing to sustainability efforts.

What is the maximum temperature at which Alloy Steel Flanges can operate?

The maximum temperature at which alloy steel flanges can operate depends on the specific alloy grade and its thermal stability. Some alloy steel grades can withstand temperatures up to 1000°C or higher.

Alloy Steel Flanges Weight Chart

StandardClassDiameterBolt Circle DiameterNumber of BoltsBolt SizeDiameter of Bolt Hole
AS4087 FlangesPN14 Flanges95674M1214
AS 2129 FlangeTable C Flanges956741314
Table D Flanges956741314
Table E Flanges956741314
Table F Flanges956741314
Table H Flanges1148341617
Table J Flanges1148341617
ANSI B16.5 FlangesANSI 150 Flanges896041316
ANSI 300 Flanges956741316
ANSI 600 Flanges956741316
ANSI 900 Flanges1218341922
ANSI 1500 Flanges1218341922
ISO 7005 (DIN) FlangePN6 Flanges80554M1011
PN10 Flanges95654M1214
PN16 Flanges95654M1214
PN20 Flanges9060.54M1416
PN25 Flanges95654M1214
PN40 Flanges95654M1214

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