Shubh Alloys is a leading producer, stockist, and supplier of Stainless Steel 304 / 304L Flanges based in Mumbai, India. Under the supervision of our expert team, we produce these SS 304 Flanges utilizing excellent quality raw materials and sophisticated technologies. Our SS 304 Flanges are available in various types such as slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, blind flanges, lap joint flanges, forged flanges, and more. These Stainless Steel 304 Socket Weld Flanges are manufactured in compliance with national and international quality standards. The most versatile and extensively used stainless steel flanges are SS 304L flanges perform admirably in a variety of climatic conditions and corrosive substances. Stainless Steel 304 WNRF Flanges are available in pressure class from 150 to 2500. Stainless steel 304 flanges can be heated to 1010-1120 degrees C and then quickly cooled, but they cannot be toughened by thermal treatment.
In continuous service to 925 degrees C and irregular service to 870 degrees C, SS UNS 30400 Flanges have excellent resistance to oxidation. Food processing equipment, breweries, specialty chemicals, pharmaceuticals, chemical equipment, seawater equipment, heat exchangers, condensers, the pulp and paper industry, and other industries use SS 304L Orifice Flanges. Cold-worked stainless steel 304 flanges may require intermediate annealing to prevent work hardening and cracking. After the fabrication is finished, a comprehensive annealing procedure should be used to decrease internal tensions and increase corrosion resistance.
Stainless Steel 304 Flanges Supplier, Stainless Steel S30400 Flanges, ASTM A182 Stainless Steel 304L Flanges, ANSI B16.5 Stainless Steel 304 / 304L Flanges, Stainless Steel 304 Flanges, SS 304L Flanges, SS 1.4306 / 1.4307 Flanges, Stainless Steel 304 Flanges Manufacturer in Mumbai India
Table of Content
ASME SA182 SS 304L Raised Face (RF) Flanges, 304 Stainless Steel Threaded Flanges Dealer, SS 304L Forged Flanges, SS 304 Flate Face (FF) Flanges, Stainless Steel 304L Ring Type Joint (RTJ) Flanges, SS 304 Plate Flange, SS 304L Tongue & Groove Flange, Stainless Steel 304 Socket Weld Flanges, SS 304L Weld Neck Flanges, Stainless Steel 304 Slip-On Flanges, Stainless Steel 304L Blind Flanges Exporter in India.
To guarantee that only high-quality products are delivered to our clients, we at Shubh Alloys ensure that all of our materials undergo quality testing such as Mechanical Testing, Hardness Testing, Chemical Analysis – Spectro Analysis, Positive Material Identification Testing, and so on. Along with our SS 304 Flanges, we also supply a variety of test certifications, including a Manufacturer Test Certificate, Raw Materials Certificate, a 100% Radiography Test Report, and Third Party Inspection Report. Our SS 304 Flanges are also available in a variety of sizes, specifications, dimensions, pressure classes, and custom sizes to meet our clients' needs at the most competitive prices.
Specification of Stainless Steel 304 / 304L Flanges
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) |

SS 304 / 304L Flanges Manufacturer / Supplier in Mumbai, India
Available Types of SS 304 / 304L Flanges

Slip On Flanges
SS 1.4301 Slip On Flanges Exporter, ANSI B16.5 SS 304 Slip On Flanges Stockist, 304L SS SORF Flanges, ASTM A182 Stainless Steel 304 Slip On Flanges, SS S30403 Slip On Flanges Supplier, ASME SA182 SS 304 / 304L Slip On Flanges in Mumbai India.
Weld Neck Flanges
SS 1.4301 Weld Neck Flanges Exporter, ANSI B16.5 SS 304 Weld Neck Flanges Stockist, SS 304L WNRF Flanges, ASTM A182 Stainless Steel 304 Weld Neck Flanges, SS S30403 Weld Neck Flanges Supplier, ASME SA182 SS 304L Weld Neck Flanges in Mumbai India.
Socket Weld Flanges
SS 1.4301 Socket Weld Flanges Exporter, ANSI B16.5 SS 304 Socket Weld Flanges Stockist, SS 304L SWRF Flanges, ASTM A182 Stainless Steel 304 Socket Weld Flanges, SS S30403 Socket Weld Flanges Supplier, ASME SA182 SS 304L Socket Weld Flanges in Mumbai India.
Blind Flanges
SS 304 BLRF Flanges, ANSI B16.5 SS 304 Blind Flanges Stockist, ASTM A182 Stainless Steel 304L Blind Flanges, SS S30403 Blind Flanges Supplier, SS 1.4301 Blind Flanges Exporter, ASME SA182 SS 304L Blind Flanges in Mumbai India.
Ring Type Joint Flanges
ANSI B16.5 SS 304 Ring Type Joint Flanges Stockist, SS 304 RTJ Flanges, ASTM A182 Stainless Steel 304L Ring Type Joint Flanges, SS S30403 Ring Type Joint Flanges Supplier, SS 1.4301 Ring Type Joint Flanges Exporter, ASME SA182 SS 304L Ring Type Joint Flanges in Mumbai India.
Lap Joint Flanges
SS 1.4301 Lap Joint Flanges Exporter, ANSI B16.5 SS 304 Lap Joint Flanges Stockist, SS 304L LJRF Flanges, ASTM A182 Stainless Steel 304 Lap Joint Flanges, SS S30403 Lap Joint Flanges Supplier, ASME SA182 SS 304L Lap Joint Flanges in Mumbai India.Stainless Steel 304 / 304L Flanges Equivalent Grades
STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
Chemical Composition of SS 304 / 304L Flanges
Grade | C | Mn | Si | P | S | Cr | Ni | N |
SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | 8 – 11 | - |
SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | 8 – 13 | - |
Stainless Steel 304 / 304L Flanges Mechanical Properties
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SS 304/304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 40 % |
Other Types of Stainless Steel 304 / 304L Flanges
304 Stainless Steel Lap Joint Flanges Stockist | Stainless Steel 304L WNRF Flanges Manufacturer in India |
ASME SA182 304 SS Long Weld Neck Flanges | S30400 SS SWRF Flanges Dealer in India |
Stainless Steel 1.4301 RTJ flanges Supplier in India | Stainless Steel S30403 BLRF Flanges |
Stainless Steel 304L SORF Flanges | Stainless Steel 1.4306 Forged Flanges |
SS 304 Flange Manufacturer | Stainless Steel 1.4301 Screwed Flanges |
Stainless Steel S30403 Orifice Flanges Dealer | 304L Stainless Steel Plate Flanges Supplier in India |
Stainless Steel 1.4307 Reducing Flanges | ASTM A182 304 / 304L Stainless Steel Square Flanges |
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World Wide Delivery of SS 304 / 304L Flanges
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