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Alloy Steel Flanges



ASTM A182 F1, F5, F9, F12, F91 Alloy Steel Flanges Supplier in Mumbai India.

Alloy Steel Flanges - Slip on, Weld Neck, Blind, Socket weld, Threaded etc.

ANSI B16.5 Alloy Steel Pipe Flange Stockist and Supplier in Mumbai India.


Alloy Steel Flanges are the flanges that are used to attach or connect various pipes, pumps, and valves in order to form a piping system. On the other hand, it is a method or technique used to connect various pipes and other equipment with each other with a gasket to facilitate a seal. These steel alloy flanges access simple functionality and interchangeability. Furthermore, it also facilitates easy access for cleaning, inspection, and modifications. Evermore these flanges are generally welded or screwed.


Alloy Steel Flanges are formed with the high grade of steel alloy and technology in compliance with the national and international quality standards. These flanges exhibit great tensile strength, ductility, and durability. Moreover, it shows superior corrosion resistance to harsh environments. It also comprises outstanding stress corrosion cracking to reducing and oxidizing conditions. Hence they exhibits great toughness and hardness.


Being as an exporter, supplier and trader Preston Pipes and Alloys provides a comprehensive range of steel flanges. We trade and supply product to our domestic as well as to our global clients. Furthermore, in order to meet up the requirements of the patrons, we provide quality assurance product that accesses national and international standards. The product we are supplying is made from high-quality raw material. Our product is provided in diverse shapes, grades, range, and sizes in accordance with the patron’s demand or requirements.


Testing details
Before delivering the product to the customers these are thoroughly tested on various stages in order to meet the quality of the product. The test is like a hardness test, chemical analysis, tensile strength test, third-party inspection, flaring test, pitting resistance test and many more. These testing are strictly tested by the experts of the industry.


Packaging details
At the end of the entire production process, the products are well packed in wooden boxes, cartons, and pallets. Furthermore, the products are packed in accordance with the patron’s given order.

Equivalent Grades
STANDARD WERKSTOFF NR. UNS
Alloy Steel F1 1.5415 K12822
Alloy Steel F5 1.7362 K41545
Alloy Steel F9 1.7386 K90941
Alloy Steel F12 1.7335 K11562
Alloy Steel F91 1.4903 K90901
Alloy Steel Flanges

Standard Specification
Specifications :
Dimensions :
Standard :
Size :
Class/Pressure :
Flange Face Type :
Form :
ASTM A182 / ASME SA182
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
1/2" (15 NB) to 48" (1200NB)
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Plate flange, ASME B16.5 flange

Types Of Alloy Steel Flanges
Alloy Steel Flange

Alloy Steel WNRF Flange

Alloy Steel RTJ Flanges

Alloy Steel Slip On Flanges

Alloy Steel Socket Weld Flange

ASTM A182 Alloy Steel Forged Flange

ASME SA 182 Alloy Steel Blind Flanges

Alloy Steel Welding Neck Flange Supplier

Alloy Steel Ring Type Joint Flanges Exporter

Alloy Steel Spectacle Blind Flanges

ASTM A182 Alloy Steel Reducing Flange

Alloy Steel Flange Equivalent Grades

UNS K12822 Threaded Flange

Alloy Steel Tongue and Groove Flange

UNS K41545 Long Weld Neck Flanges

UNS K90941 Plate Flanges

ASME B16.5 Alloy Steel WNRF Flanges

WERKSTOFF NR. 1.5415 Screwed Flange

K90901 Flate Face Flanges

DIN 1.7362 Raised Face Flanges

Alloy Steel Ring Type Joint Flanges

UNS K11564 SORF Flange


Application Industry

Alloy Steel Flanges are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of slip on flanges, socket weld flanges, forged flanges, blind flanges etc. through a worldwide network of stock-keeping branches. These are use in various industries like :


Application Industry
  • Chemical Industry
  • Oil & Gas Industry
  • Petrochemical Industry
  • Power Genration Industry
  • Sugar Industry
  • Food Processing Industry
  • Paper & Pulp Industry
  • Offshore and Onshore Services

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Quick Contact

1601, 16th Floor, Ankush Apartment, 10th Khetwadi Lane, Khetwadi, Girgaon, Mumbai - 400004, Maharashtra, India