Home > Stainless Steel > Stainless Steel 304 Hydraulic Fittings
Max Tube Fittings is a well-respected manufacturer and supplier of Stainless Steel 304 Hydraulic Fittings based in Delhi, India. They specialize in providing precision-engineered solutions for fluid and hydraulic control systems. SS 304 is the go-to choice for austenitic stainless steel, known for its outstanding corrosion resistance, durability, and ease of fabrication. These hydraulic fittings are crafted to ensure secure, leak-proof, and dependable connections in high-pressure hydraulic systems. With impressive mechanical strength and resistance to oxidation, Max Tube Fittings’ SS 304 Hydraulic Fittings guarantee long-lasting performance, safety, and efficiency across various demanding industrial and engineering applications worldwide.
Stainless Steel 304 Hydraulic Fittings are made up of chromium (18–20%) and nickel (8–10.5%), along with trace amounts of manganese, silicon, and carbon. This unique blend gives them remarkable resistance to oxidation, general corrosion, and atmospheric conditions. They boast a minimum tensile strength of 515 MPa and a yield strength of 205 MPa, along with excellent ductility. Thanks to their austenitic microstructure, these fittings offer great toughness and reliability across a wide temperature range. SS 304 Hydraulic Fittings are known for their mechanical strength, chemical resistance, and durability, making them ideal for critical hydraulic systems.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | SS 304 ,SS 304L |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | (LOW) LL SERIES – 100 BAR |
| (MEDIUM) L SERIES – 100 BAR TO 500 BAR | |
| (HEAVY) S SERIES – 200 BAR TO 800 BAR | |
| SIZE RANGE | LL SERIES – 4LL TO 12LL |
| L SERIES – 6L TO 42L | |
| S SERIES – 6S TO 38S | |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | STAINLESS STEEL 304- EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
| TEMPERATURE | STAINLESS STEEL 304 – (-60*C TO 400*C) |
Grade | Mn | C | Si | S | Cr | P | N | Mo | |
| 304 | minimum maximum | – | – | – | – | 18.0 | – | – | – |
| 304L | minimum maximum | – | – 0.030 | – | – | 18.0 | – | – | – |
| 304H | minimum maximum | – | 0.04 | – | – | 18.0 | -0.045 | – | – |
Grade | (% in 50mm) Elongation minimum | 0.2% Proof Yield Strength (MPa) minimum | Strength of Tensile (MPa) minimum | Plate Hardness | |
Brinell (HB) max | Rockwell B (HR B) max | ||||
304 | 40 | 205 | 515 | 201 | 92 |
304L | 40 | 170 | 485 | 201 | 92 |
304H | 40 | 205 | 515 | 201 | 92 |
Grade | British | Euronorm | UNS No. | SS | JIS | ||
European Standards | British Standards | Name | DIN No. | ||||
304 | 58E | 304S31 | X5CrNi18-10 | 1.4301 | S30400 | 2332 | SUS 304 |
304L | – | 304S11 | X2CrNi19-11 | 1.4306 | S30403 | 2352 | SUS 304L |
304H | – | 304S51 | X6CrNi18-11 | 1.4948 | S30409 | – | – |
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Stainless steel 304 hydraulic fittings are widely used in applications requiring corrosion resistance and good strength. They are ideal for applications in pharmaceuticals, food and beverages and chemical plants and water treatment plants, where exposure to water and corrosive fluids is common These materials are also used in oil, gas and marine internal performance due to its durability and oxidation resistance . Their versatility ease of construction and ability to maintain integrity over a wide range of temperatures make stainless steel 304 filters a reliable choice for connecting pipes and tubes together in a fluid system.
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