Alloy Steel F91 Flanges are known for its anti-corrosive, high tensile strength, accuracy and durability and Metalloy international is a well-known organization; customers can never be disappointed with it. We are known in the industry as a stockiest, supplier and exporter of these flanges across the globe. Alloy Steel F91 flanges are highly appreciated by various domestic as well as international customers. These flanges are available of different grades, size and shapes, or we customize it on customers request. Because of its high resistance and durability for the long run, these flanges are widely used in industries like various small and large scale industries.

These flanges are manufactured by melting in an electric arc or basic oxygen furnaces later refining into another steel making vessels to lower the carbon content. The durability of these flanges comes by decarbonization process in which a mixture of oxygen and argon gas is injected into a liquid alloy. Thus making these flanges in demand in manufacturing kitchen sinks, bank vaults etc. These flanges are very moderately resistance to chlorine. Generally, these flanges should not be exposed to heat when sulphur is present due to its high addition of nickel. Even the exposure of chlorine should not be exceeded more than 500 deg C. Alloy Steel F91 flanges responds only to cold working practices, due to its mechanical properties these are used in many areas.

We have always strived in providing the best quality products to all our customers. Maintaining long term professional relationship with all our customers is our primary objective. Our work commitment reflects on our supplied products. We can never quality compromised in any of our products. We are continuously learning new market trends which helps us to be the leading suppliers in this competitive market. Requirements of our customers are always fulfilled. Alloy Steel F91 Flanges are packed using premium packaging materials.

We maintain all the international standards of packaging technique to avoid any damage. These products are delivered on time to all our customers across the globe because of the dedicated transportation on which we rely. Hence all the products provided to various customers around the world through the fastest and safest method of transportation.

Specifications: ASTM A182 / ASME SA182

Dimensions: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Size: 1/2" (15 NB) to 48" (1200NB)

Class/Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Alloy Steel F91 Slip On Flanges
Alloy Steel F91 Slip On Flanges (SORF)
Alloy Steel F91 Weld Neck Flanges
Alloy Steel F91 Weld Neck Flanges (WNRF)
Alloy Steel F91 Socket Weld Flanges
Alloy Steel F91 Socket Weld Flanges (SWRF)
Alloy Steel F91 Blind Flanges
Alloy Steel F91 Blind Flanges (BLRF)
Alloy Steel F91 Ring Type Joint Flanges
Alloy Steel F91 Ring Type Joint Flanges (RTJ)
Alloy Steel F91 Long Weld Neck Flanges
Alloy Steel F91 Long Weld Neck Flanges
STANDARD UNS DIN WERKSTOFF NR. DIN
Alloy F91 - 1.4903 X 10 CrMoVNb 9 1
Grade C Mn Si P S Cr Mo
Alloy Steel F91  0.08 - 0.12 0.3 - 0.6 0.5  0.01 0.02 8.5 - 9.5 0.85 - 1.05
Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %
A182 F91 415 585 20
Alloy Steel F91 Flanges ANSI B16.5 Alloy Steel F91 Flanges
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Sri Lanka, Bahrain, Russia, Egypt, Portugal, Turkey, Spain, Singapore, Brazil, Thailand, Chile, Malaysia, Venezuela, Indonesia, Costa Rica, Poland, USA, U.A.E, Italy, Oman, Canada, Saudi Arabia, Angola, Qatar.

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