Stainless steel 304 is a popular choice for many applications, from industrial to commercial construction. It's also widely used in the manufacturing of flanges, which help to secure and connect pipes together. In this blog post, we'll look at the different types of Stainless Steel 304 Flanges, as well as their uses and applications.

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The most common type of Stainless Steel 304H Flange is (heat-treated) flange, which has a higher chromium content than standard 304 flanges. This makes it much more resistant to corrosion than standard 304 stainless steel flanges, making them ideal for use in high-temperature and/or corrosive environments. They are also much stronger than other types of stainless steel flanges due to their higher chromium content. Stainless Steel Round Bars, Stainless Steel 904L Forgings and many more grades are also available.

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Stainless Steel 304/304L/304H Flanges

Stainless Steel 304/304L/304H Flanges

Another type of Stainless Steel 304L Flanges is (low-carbon). These are ideal for welding applications because they have a low carbon content, which reduces the risk of cracking during welding processes. They are also highly resistant to corrosion and have excellent formability properties, making them an ideal choice for many industrial applications where durability and strength are key requirements.

Stainless Steel 304 Flanges are components used in various industrial operations such as piping or ventilation. These SS Flange are made of durable type 304 stainless steel material, which makes them well-suited for a wide range of applications from food and beverage processing to petrochemical and even acid production. Not only do these flanges boast an impressive resistance to corrosion, but they are also easy to assemble and come in numerous sizes to fit any industry’s needs. From providing increased flow volume for water systems, being used as secure pipe connections, or even as structural console supports, it is no wonder why Stainless Steel 304 Flanges have become so popular. Different types of products are available, such as Duplex UNS S31803 Forged Fittings, Incoloy 925 Forgings, etc.

ASTM A182 SS 304 Flanges, Stainless Steel 304 Slip on Flanges, SS UNS S30400 Flanges, SS 1.4301 Flanges, ANSI B16.5 SS 304 Flanges, SS 1.4948 Forged Flanges, SS 304L Blind Flange, SS 304H Raised Face Flanges, SS 304L Weld Neck Flanges

Explain in Paragraph What are Stainless Steel 304 Flanges?

Stainless Steel 304 Flanges are circular, flat, and forged or cast components that are commonly used to connect pipes, valves, pumps, & other equipment in a piping system. They are made from Stainless Steel 304, which is a popular austenitic.

What are the Applications of Stainless Steel 304 Flanges?

Stainless Steel 304 Flanges have a wide range of applications in various industries such as chemical processing, oil & gas, food and beverage, pharmaceuticals, & water treatment.

What are the Benefits of Stainless Steel 304 Flanges?

Stainless Steel 304 Flanges offer several benefits, making them a popular choice in many industrial applications. One of the main benefits is their excellent corrosion resistance, which makes them suitable for use in harsh environments where they are exposed to corrosive fluids or gases

DIN 1.4301 Stainless Steel Flat Face Flanges, Werkstoff No 1.4306 / 1.4307 SS Socket Weld Raised Face Flanges (SWRF) Traders, EN 1092-1 Stainless Steel 304 Reducing Flanges, SS SUS 304 Spectacle Blind Flanges Suppliers, SS 304L Square Flanges, Stainless Steel 304H BS4504 Tongue & Groove Flanges, 304L SS Weld Neck Raised Face Flanges (WNRF) Flanges Exporters.

SS 304/304L/304H Socket weld Flanges Specification

Specifications ASTM A182 / A240 & ASME SA182 / SA240

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)

Grade 304 / 304L /304H UNS (S30400, S30403, S30409), DIN (1.4301, 1.4306 / 1.4307)

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Stainless Steel 304/304L/304H Flanges Equivalent Indian Standard

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
SS 304H S30409 1.4301 - - - - -

ASTM A182 SS 304/304L/304H Forged Flanges Chemical Composition

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 -
SS 304H 0.10 max 2.0 max 0.75 max 0.045 max 0.03 max 18 – 20 8 – 10.5 -

304/304L/304H Stainless Steel ASME SA182 Threaded / Screwed Flanges Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 304/304L/304H 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000, MPa – 515 Psi – 30000, MPa – 205 40 %

Other Types of 304/304L/304H Stainless Steel Industrial Flanges

  • Stainless Steel 304 Slip On Flanges
  • 304L Stainless Steel Pipe Flanges
  • Stainless Steel 304H Blind Flanges
  • SS 304 Orifice Flange
  • Stainless Steel 304L Long Weld Neck Flanges

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