Ayhan Tube Fittings is a leading manufacturer and supplier of lead hydraulic fittings in Istanbul, Turkey. Focusing on quality and reliability they offer a range of brass products designed for high performance in a variety of industries including oil and gas vehicles and automobiles Known for their excellent corrosion resistance and durability as these products is a safe and effective water supplement. Ayhan Tube Fittings is committed to customer satisfaction offering customized solutions and exceptional service to meet the needs of its customers.
Brass hydraulic fittings are mainly composed of copper (approximately 60-70%) and zinc (30-40%), with small amounts of copper and other materials to enhance mechanical properties These fittings exhibit good mechanical properties, with good tensile strength ( up to 350 MPa) along with corrosion resistance, enabling a variety of hydraulic applications Suitable brass fittings have the advantage of being lightweight, easy to install, and resistant to rust and corrosion, ensuring longevity and reliability Besides which, provide excellent thermal and electrical conductivity, so that their oil and gas, automotive and automobile manufacturing -are ideal for use in hydraulic systems in such applications.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | BRASS |
| 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 | NATURAL FINISH, NICKEL PLATED |
| TEMPERATURE | BRASS – (-60*C TO 175*C) |
| MATERIAL DESIGNATOR | BRASS – ASTM B16 UNS C36000 , ASTM B282 ALLOY 37700 , JIS H3250 C3604 , C3771 , JIS H3250 C3771. |
UNS No. | AS No. | Common Name | BSI No. | ISO No. | JIS No. | Copper % | Zinc % | Lead % | Other |
C21000 | 210 | 95/5 Gilding metal | – | CuZn5 | C2100 | 94-96 | ~5 | | – |
C22000 | 220 | 90/10 Gilding metal | CZ101 | CuZn10 | C2200 | 89-91 | ~10 | | – |
C23000 | 230 | 85/15 Gilding metal | Cz103 | CuZn20 | C2300 | 84-86 | ~15 | | – |
C24000 | 240 | 80/20 Gilding metal | Cz103 | CuZn20 | C2400 | 78.5-81.5 | ~20 | | – |
C26130 | 259 | 70/30 Arsenical brass | Cz126 | CuZn30As | C4430 | 69-71 | ~30 | | Arsenic 0.02-0.06 |
C26000 | 260 | 70/30 Brass | Cz106 | CuZn30 | C2600 | 68.5-71.5 | ~30 | | – |
C26800 | 268 | Yellow brass (65/35) | Cz107 | CuZn33 | C2680 | 64-68.5 | ~33 | | – |
C27000 | 270 | 65/35 Wire brass | Cz107 | CuZn35 | – | 63-68.5 | ~35 | | – |
C27200 | 272 | 63/37 Common brass | Cz108 | CuZn37 | C2720 | 62-65 | ~37 | | – |
C35600 | 356 | Engraving brass, 2% lead | – | CuZn39Pb2 | C3560 | 59-64.5 | ~39 | 2.0-3.0 | – |
C37000 | 370 | Engraving brass, 1% lead | – | CuZn39Pb1 | C3710 | 59-62 | ~39 | 0.9-1.4 | – |
C38000 | 380 | Section brass | Cz121 | CuZn43Pb3 | – | 55-60 | ~43 | 1.5-3.0 | Aluminum 0.1-0.6 |
C38500 | 385 | Free cutting brass | Cz121 | CuZn39Pb3 | – | 56-60 | ~39 | 2.5-4.5 | – |
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Brass hydraulic fittings are widely used in various industries due to their durability and corrosion resistance. Secure connections to hydraulic systems facilitate the automotive industry, increasing productivity and safety. These fittings are essential in the oil and gas industry to ensure leak-proof connections between pipelines and equipment. It is used in the design and construction of hydroelectric installations. Their excellent thermoelectric conductivity also makes them suitable for plumbing and HVAC systems, allowing them to perform well in residential and industrial environments.
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