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Ayhan Tube Fittings, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 304 Hydraulic Fittings, providing dependable and high-performance solutions for industrial hydraulic systems. These fittings are designed to ensure leak-proof connections, resist corrosion, and offer a long service life, making them perfect for tough environments. Produced in line with international standards and rigorously tested for quality, Ayhan Tube Fittings delivers products that cater to various industries, including oil and gas, chemical processing, petrochemical, marine, and power generation. With competitive pricing, prompt delivery, and a strong focus on customer service, the company has earned a reputation for excellence in specialty hydraulic components.
Crafted from high-quality 304 stainless steel, an austenitic alloy enriched with chromium and nickel, Stainless Steel 304 Hydraulic Fittings boast remarkable corrosion resistance, mechanical strength, and durability even under high-pressure conditions. These fittings are engineered to provide high tensile and yield strength, toughness, and reliability across a broad temperature range. With precision-engineered threads and sealing surfaces, they guarantee secure, leak-proof connections and a long operational life, making them ideal for critical hydraulic applications.
| 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 | – | – |
Stainless Steel 304 Hydraulic Fittings find extensive use in industries that demand durable and corrosion-resistant hydraulic solutions. In oil and gas and chemical plants, they are utilized in pipelines, pumps, and hydraulic systems that handle non-aggressive fluids. Marine and offshore applications benefit from their ability to withstand seawater and moderately corrosive environments. Sectors like power generation, water treatment, and industrial manufacturing depend on their durability, precision, and consistent performance. Their versatility, strength, and long-lasting nature make them a go-to choice for many applications.
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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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