At Paul Tube Fittings, we take pride in being a top-notch manufacturer and supplier of Brass Hydraulic Fittings right here in Houston, USA. Our fittings are built to last, delivering dependable performance for hydraulic fluid power systems. Made from premium brass alloys, they boast impressive corrosion resistance, machinability, and mechanical strength—key features for any hydraulic application. Each fitting is precision-engineered to guarantee leak-proof connections and straightforward installation across a range of hydraulic equipment and machinery. Perfect for low to medium pressure systems, our fittings are widely utilized in automotive, industrial, agricultural, and fluid power applications where reliable flow control and system integrity are crucial.
Our Brass Hydraulic Fittings at Paul Tube Fittings are crafted from high-quality brass alloys, primarily a blend of copper and zinc, often with small amounts of lead or other metals to boost machinability and strength. These fittings are designed to resist corrosion from water, air, and mild chemicals, with tensile strengths typically falling between 50,000 and 70,000 psi. They offer excellent ductility and pressure tolerance, making them ideal for hydraulic fluid transfer. With precision threading and tight manufacturing tolerances, our fittings ensure secure, leak-free connections that keep your system running smoothly under various hydraulic pressures and temperatures.
| 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 | – |
Contact us to get a quick quote for your requirement.
Brass Hydraulic Fittings are vital components in hydraulic fluid systems found in automotive hydraulics, industrial machinery, agricultural equipment, and material handling systems. At Paul Tube Fittings, our brass fittings create reliable connections for hoses, pipes, and tubes, enabling efficient fluid transfer under pressure. Whether you’re working in automotive, industrial, or agricultural settings, our fittings are designed to meet your needs, ensuring that your hydraulic systems operate effectively and efficiently. With our commitment to quality, you can trust that our fittings will deliver the performance and reliability you expect in any application.
Please feel free to contact us if you need any further information or for enquiry.
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