Stainless Steel 904L Flange

Manufacturer of ASTM A182 F904L WNRTJ Flanges in India


Nitron Alloys Overseas is a certified fabricator, supplier, stockiest, and exporter of an excellent range of ASTM A182 SS F904L Weld Neck Flange . We make these Flanges in compliance with international standards in different shapes and sizes.


We cover the years we have managed to provide the best quality of Flanges and have successfully made our products in national and international markets. We have always focused on the satisfaction of customers, creativeness, and expertise in our work.


ASTM A182 Stainless Steel F904L is an excellent alternative for most conventional Stainless Steel alloys. It offers an excellent resistance to most types of corrosion, which is the result of an abundant quantity of Nickel and molybdenum in it. With the abilities developed in the material because of its copper content, this ASTM A182 SS F904L grade excellently suitable for use in aggressive and mild environmental conditions having sulphuric acid and other reducing acids. ASTM A182 SS F904L Weld Neck Flange from Nitron Alloys Overseas are made highly accurate in dimensions with excellent surface finish and high impact strength supported by its rugged construction. These Flanges also have good weldability and formability. These Flanges can easily conquer the temperatures up to 400°C.


Nitron Alloys Overseas is a well-equipped manufacturer with the latest, precise, and highly automated modern machinery that is getting operated by a skilled workforce with the single aim of meeting customer’s requirements. The manufacturing process of ASTM A182 SS F904L Weld Neck Flange is supervised by the team of ingenious engineers and field experts. We also have an excellent quality control team that maintain the quality standards and define the usability of our Flanges by carrying out numerous tests on them after completion of manufacturing operations.


Nitron Alloys Overseas have never violated the deadlines. We work strictly according to the schedules and complete the production of ASTM A182 SS F904L Weld Neck Flange before due dates and send it to our esteemed customers through a safe mode of transportation with proper packaging. We make sure that the consignments are provided with all necessary documents having an imprint of some critical information such as material name, quantity, weight, lot no., safety precautions, etc.


Specification of Stainless Steel F904L Weld Neck Flanges

Spec bag

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 Weld Neck Flanges

Stainless Steel F904L WNRF Flanges

ASTM A182 SS F904L WNRF Flanges

Stainless Steel F904L WNRTJ Flanges

ASTM A182 SS F904L WNRTJ Flanges

Equivalent Grades for Stainless Steel F904L Weld Neck 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 Weld Neck Flanges Chemical Composition

Grade C Mn P S Si Cr Ni Mo N Cu
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 WNRF 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 %