Stainless Steel 904L Blind Flange

ASME SA182 F904L BLRF Flange, Manufacturer of India

Nitron Alloys Overseas is a renowned manufacturer and trader for the quality-based manufacturing of numerous various products made using different materials. We have a comprehensive range of Flanges and other piping components to offer. ASTM A182 SS F904L Blind Flange is one of our highly appreciated products. These Flanges have made a considerable space in the international and country-wide markets with their outstanding performance. We make them in different types based on sizes, shapes, and dimensions.


ASTM A182 Stainless Stessl F904L contains a high amount of nickel and molybdenum, along with other additions such as carbon, copper, chromium, vanadium, and many other elements. This grade possesses excellent resistance against warm seawaters and chloride attack. It excellently opposes stress corrosion cracking, which is because of high nickel content in the material. The Flanges made of such material is suitable for highly aggressive and mild working conditions having acidic environments as a copper element in the material improve the ability of Flanges to resist sulphuric acids and other reducing agents.


Nitron Alloys Overseas work with well-planned and time-efficient working methods that make us able to deliver orders of ASTM A182 SS F904L Blind Flange in committed time. Before that, the manufacturing of these Flanges at our hi-tech production plant is carried out by our skilled working force. They are highly qualified and hold extensive experience in working in this field. Their dedication and excellence make the ASTM A182 SS F904L Blind FLANGES dimensionally accurate and best to use. These Flanges have excellent physical attributes such as superb finishing, durable built, and aesthetically appealing look.


Once the manufacturing operations get over, the Flanges are sent through numerous quality tests where our adroit team of quality control engineers checks the quality, operational ability, and life expectancy of our ASTM A182 SS F904L Blind Flanges .


Nitron Alloys Overseas take care of the product’s safety during transit by doing standard packaging of each Flange properly. The prices we have decided for these Flanges are comparatively low, and we offer them along with extraordinary services such as assistance in installation, fastest service in case of failure of product and replacement, and fulfillment of urgent requirements.


Specification of Stainless Steel F904L 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 Stainless Steel Blind Flanges

Stainless Steel F904L Flat Face Blind Flanges

ASTM A182 F904L Flat Face Blind Flanges

Stainless Steel F904L Raised Face Blind Flanges

ASTM A182 F904L Raised Face Blind Flanges

Equivalent Grades for Stainless Steel F904L Blind Flanges

STANDARD WERKSTOFF NR. UNS JIS BS KS AFNOR EN
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5L Z2 NCDU 25-20 X1NiCrMoCu25-20-5

Stainless Steel 904L Blind Flanges Chemical Composition

Grade C Mn P S Si Cr Ni Mo N Cu
SS 904L 0.020 2.0 0.040 0.030 1.00 19.0-23.0 23.0-28.0 4.0-5.0 0.10 1.00-2.00

Mechanical Properties of Stainless Steel F904L BLRF Flanges

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.95 g/cm3 1350 °C (2460 °F) Psi – 71000 , MPa – 490 Psi – 32000 , MPa – 220 35 %