ASTM A182 F9 Blind Flange

Manufacturer of ASME UNS K90941 BLFF Flanges in India

We, Nitron Alloys Overseas, are leading manufacturer and offering excellence through our excellent service to the manufacturing sector for years. We are known for supplying the ultimate quality products at reasonable rates. Our vast range of AS ASTM A182 F9 Blind Flange is applauded for its commendable performance through different sectors. These Flanges are manufactured at Nitron Alloys Overseas according to the globally accepted standards and specifications. We make them using excellent quality raw material to maintain quality standards. We are identified by global buyers as the most reliable manufacturer of piping components.


AS ASTM A182 F9 Blind Flange has a good chemical composition that makes it excellent for getting used in most severe, reducing environments. These Flanges have an austenitic structure and are known for offering enhanced resistance to many corrosive media. They also prevent oxidation and intergranular corrosion excellently. The resistance these Flanges offer to the pitting and crevice corrosion and even the stress corrosion cracking is outstanding. The highly concentrated acids, such as sulfuric acids, nitric acids, and phosphoric acids does not affect the structure of the AS ASTM A182 F9 Blind Flange.


Our production capability is excellent, which makes us able to fulfill the requirements of our customers. The timely upgradation of the manufacturing setup has increased our productivity. We can develop a large quantity of ASTM A182 AS Blind Flanges F9 within a stipulated time. To accomplish this task, we have employed an excellent workforce that has significant experience in manufacturing Flanges. They are highly skilled and are adroit in their work. The entire process is followed in proper sequence under the supervision of field experts.


Maintaining quality standards has always been the most critical yet easy task for us as we have the best staff to check the quality of our Flanges. Nitron Alloys Overseas have designed an excellent plan under which the Flanges are inspected for desired quality considerations.


For making deliveries on time, Nitron Alloys Overseas have opened several new outlets and allowed new distributors at various locations across the globe. We pack the Flanges properly using the standard as well as customized methods, ensuring their safety during transit.


Specification of Alloy Steel F9 Blind Flanges

Spec bag
Blind Flange

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: 1/4" - 48"

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

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

Types of Alloy Steel F9 Blind Flanges

Alloy Steel F9 Flat Face Blind Flanges

AS ASTM A182 F9 Flat Face Blind Flanges

Alloy Steel F9 Raised Face Blind Flanges

AS ASTM A182 F9 Raised Face Blind Flanges

Equivalent Grades for Alloy Steel F9 Blind Flanges

STANDARD WERKSTOFF NR. UNS
Alloy Steel F9 1.7386 K90941

Alloy Steel F9 Blind Flanges Chemical Composition

Grade C Mn Si P S Cr Mo
Alloy Steel F9 0.15 max 0.3-0.6 0.5 - 1 0.03 0.03 8 - 10 0.9 - 1.1

Mechanical Properties of Alloy Steel F9 BLRF Flanges

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min
ASTM A182 F9 380 585 20