F304 Stainless Steel Material Properties
● Corrosion Resistance: F304 stainless steel flanges have excellent corrosion resistance and can withstand most chemicals, including water, steam, oil, and a variety of weak acids and alkalis. This makes it widely used in chemical, petroleum, food processing and other industries.
● High Temperature Resistance: F304 stainless steel flanges are able to maintain stable performance in high temperature environments and are not easily deformed or damaged by heat. Therefore, it is suitable for high temperature and high pressure industrial applications.
● Processing performance: F304 stainless steel has good processing performance, easy to cut, bend, weld and other processing operations. This makes F304 stainless steel flanges have higher flexibility and plasticity in the manufacturing process.
ASTM A182 F304 Stainless Steel Flanges Specification
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A182 Gr F304 Flange Size Chart |
1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
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ASME SA 182 F304 SORF Flange Standards |
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
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Stainless Steel ASTM A182 F304 Flange Pressure Rating ANSI |
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
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ASTM A182 F304 Flange Pressure Calculation in DIN |
6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
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Werkstoff No 1.4301 SS FlangeJIS |
5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
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SS Grade F304 FlangeUNI |
6Bar 10Bar 16Bar 25Bar 40Bar |
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ASTM A182 F304 Stainless Steel FlangeEN |
6Bar 10Bar 16Bar 25Bar 40Bar |
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Coating |
Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
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Most common types of Wrought Austenitic Stainless Steel 304 Flange |
Forged / Threaded / Screwed / Plate |
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Test Certificates |
EN 10204/3.1B |
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ASTM A182 F304 SS Flange Production technique |
Forged, Heat treated and machined |
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Grade F304 Stainless Steel Flange Connect Type/ Flange Face Type |
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
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Special design |
As per your drawing AS, ANSI, BS, DIN and JIS |
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ASME SA182M SS 304 Flange Test |
Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
Types and Structures
There are various types of F304 stainless steel flanges, including but not limited to the following:
● Weld neck flanges: with thicker necks, suitable for harsh working conditions such as high pressure, high temperature and corrosive media.
● Slip-on flanges: easy to install and dismantle, suitable for piping systems with medium pressure and temperature.
● Threaded flanges: connecting pipes through threads, suitable for low pressure and small diameter piping systems.
● Blind flange: used to close the end of pipeline or connect the inlet and outlet of equipment.
Application Areas
F304 stainless steel flanges are widely used in various industrial fields due to their excellent corrosion resistance and high temperature resistance:
● Chemical industry: used in the manufacture of chemical equipment, pipelines and valves and other connectors, able to withstand the erosion of various chemical substances.
● Petroleum industry: used in the process of petroleum extraction, refining and transportation of pipeline connectors, able to operate stably at high temperatures and pressures.
● Food processing industry: piping connectors used in food production equipment, to ensure food hygiene and safety.
● Pharmaceutical industry: piping connectors used in pharmaceutical equipment, to meet the requirements of material purity and cleanliness.
