The design engineer should determine the brake tubing's minimum inside diameter based on brake system actuation time. FREE SAME DAY SHIPPING ON ALL DOMESTIC ORDERS! In Figure 1, the performance of these four materials are compared on the basis of the percentage of observed occurrences of corrosion damage to brake tubing over 12 years of service. For over 20 years, FedHill has been the exclusive importer of the original Cunifer tubing made in Britain. In spite of corrosion-retarding coatings that are applied in accordance with specifications requiring a minimum coating weight per square foot of tubing surface area (not an overall coating thickness), little protection may result in local areas. Early tests revealed that copper-nickel has almost the same resistance to burst pressure as steel. The fact that it is nowhere near specification is alarming. By 1969, the SAE published a study, Hydraulic Brake Line Corrosion: An Initial Investigation of the Problem (A.G. Imgram and D.K. We also carry tee's, unions, bleeders and adaptors for brake line locks, brake proportioning valves and AN hydraulic brake tubing nuts. If the pH is less than 4, the corrosion rate is higher. As copper-nickel is softer than steel, it was first feared that fretting might be a problem. Indications were clear: corrosive deterioration of steel brake tubing created maintenance problems and could be a hazard to safety. Brake system tubing is vulnerable to the pressures of air or fluid flowing through it, to corrosion from road mud and salt, and to damage of any protective coatings on its surfaces from stone pecking where it is exposed under the chassis. Copper-nickel is also used in military, fire fighting and other heavy vehicles. Theres between 28% to over 45% MORE metal in our tube than theirs. Three coatings in wide use have been zinc, terne (lead and tin alloy with from 7%-14% tin) and epoxy. Coated seamless or welded steel tubing have been used, but once the coating is perforated, the problems are very similar to those of copper brazed steel tubing. Cunifer is manufactured to a tighter tolerance and exceeds the minimum SAE specifications, resulting in safe, reliable and truly high quality tubing. Federal Hill Trading Company Copper-nickel is shown as the most reliable material by far. The bare minimum SAE specification for wall thickness is .025, but their tubing measured at .022. Sweden, with a national program of vehicle inspection since the mid 1960s, has been a consistent source of the most accurate data on the problem. (That is, if the tubing is attached to the frame, the underbody is considered to be a "vibrating component.") x 25 ft.], NiCopp Tubing & Nut Kit [3/16 in. quality products and expertise.". quality products and expertise.". Copper Nickel brake tubing is not the same as what you see at a hardware store! West Germany, which instituted mandatory vehicle inspections in 1970, has collected data in line with Sweden. The copper alloy remains consistently resistant. This publication, based on available data, has been prepared for the information and use of engineers and designers in the automotive industry. Tubing should be routed so that it will not be in or form a pocket that will trap salt or other de-icing chemicals. x 25 ft.], NiCopp Tubing & Nut Kit [5/16 in. The Swedes frequently ban vehicles from the road due to badly corroded steel brake tubing. As steel tube alone does not have adequate corrosion resistance, it requires coating. However, no coating has proven to be totally impervious to pitting, scuffing and chipping due to flawed manufacture, careless installation and exposure to hostile environmental conditions like loose gravel. Thank you! A review of the history and performance of copper-nickel brake tubing. Bludot offers both copper nickel, and stainless steel brake lines. O.D. Some orders may take longer to arrive due to shipper and supplier delays. Perforation can result from stone pecking, from flaring, or when tightening nuts during installation. All Rights Reserved. The Swedish data cover the period during which Volvo upgraded the material it used for brake tubing. Experience has shown this is not the case. 50 Foot 1/4" and 3/16" Rolls w Fittings /Stainless Steel Armor, 25 Ft. of 3/16" (4.75 mm) Copper Nickel Tubing with Stainless Armor and Stainless Fittings, Copper Nickel Fuel / Transmission Line Coil. Since then, the marketplace has been flooded with cheaper imitations. Cunifer is manufactured to a tighter tolerance and exceeds the minimum SAE specifications, resulting in safe, reliable and truly high quality tubing. The mechanical properties of alloy C70600 in comparison with steel and copper are shown in Table 1. Tube & Nuts], NiCopp Tubing Coil [1/4 in. Roll of 3/16" Copper Nickel Brake Line Tubing. We purchased samples of their tubing to find out what the problem was, and discovered the competitions claims are as flimsy as their tubing. Article-Automotive hydraulic brake tube: The case for 90/10 copper-nickel tubing. What makes Nickel Copper Brake Line different? Having excellent, initial pressure bearing characteristics, steel tubing is, however, susceptible to corrosion. Customers calling with problems using the imitation tubing alerted us to investigate the competition. x 25 in. It is a seamless alloy that -. Terne metal has good corrosion resistance, but once damaged it is also noble to the steel, and a large cathode/anode area ratio is created that accelerates corrosion of the steel. From vintage Ferrari to modern metric, British Whitworth threads, and a multitude of SAE/American brake line nuts including master cylinder nuts, we have the nuts you need! Tubing should be routed so that its stress limits will not be exceeded during flexing. O.D. O.D. (4.7 mm) o.d. Even the best tubing will be unsatisfactory unless it is used properly. OEM suppliers since 1995 in small bore hydraulic tubing for automotive and light truck brake applications. DOT-approved for hydraulic brake systems, fuel systems, and transmission lines, this piping bends 58 percent easier than traditional steel tube, allowing it to be snaked into positions that conventional lines can't. Is 33" long with inverted double flares and standard 3/16" tube nuts, Complete 3/16 Inch & 1/4 Inch Copper Nickel Brake Line & Hardware Assortment, 50 Feet of Each 3/16 and 1/4 Tubing and Fittings, Unions, T-Blocks, Clips for both, 25 Ft. Architecural Manufacturers & Distributors, Architectural Installation Contractors Database, UNS Standard Designation for Wrought and Cast Copper, ASTM Standard Designation for Wrought and Cast Copper and Copper Alloys, European Numbering System for Non-Ferrous Metals, The U.S. Copper Industry: Critical to Keeping the U.S. Swedish requirements include a resistance at least equal to 25 of zinc. By subscribing to JEGS SMS, you consent to receive autodialed messages to the number used at opt-in. CDA assumes no responsibility or liability of any kind in connection with this publication and makes no warranties of any kind with respect to the information contained herein. The zinc coating was eventually supplemented by epoxy, and in 1976, Volvo adopted copper-nickel alloy C70600. Roll of 5/16" Copper Nickel Transmission & Fuel Line Tubing w/ Tube cutter, 25 ft Roll of 3/16 AND 1/4 Copper Nickel Tube with Fittings, 25 Ft. Telephone: 1-574-277-2306Fax: 574-277-3785E-mail: info@bludotinc.com, Bludot Manufacturing 4335 Meghan Beeler Ct. South Bend, IN 46628, Ph:1-574-277-2306 Fax: 574-277-3785 4335 Meghan Beeler Ct. South Bend, IN 46628Bludot Manufacturing 2022, Air Over Hydraulic Trailer Kits with ABS, Copper nickel has been popular in European cars since the 70s, PSI ratings for copper nickel are only a little lower than stainless steel, Copper nickel brake line offers strong corrosion resistance both inside and outside, Road salt and grime is ineffective at rusting the brake line since the brake line is 88.7% copper, Normal stainless steel has to be coated in corrosion resistant material that gets scratched and fades over time, which allows for rust, Copper nickel will not rust because the copper does not hold and absorb moisture, Stainless steel brake lines rust inside since there is no coating to protect the lines from absorbing the moisture, Copper nickels ability to avoid moisture leads to a longer life span against wear and tear, Copper nickel brake lines are more affordable than the stainless steel brake lines, Copper nickel has proven to be easier to work with than stainless steel brake lines, Copper nickel brake lines are softer than stainless steel which allows for better flexibility, End forms and flares are easy to create for repairs with copper nickel, The hardness of stainless steel is difficult to work with on the assembly line, Copper nickel is able to bend and flare to create a tighter seal. It was easy to bend and had very high corrosion resistance, but there was concern about its low corrosion-fatigue strength. Copper had been proved since the early days to have many good attributes. Galvanically, copper is more noble than zinc, and once exposed, zinc corrosion accelerates. The introduction of steel tubing was coincidental with salting of roads as a means of clearing ice and snow and in anticipation of icy conditions. ISO 4038 and SAE J1047 include a corrosion resistance requirement referring to ISO 3768 asking for a minimum burst pressure of 110 MPa after 96 hours in neutral salt spray. The report revealed that steel brake tubing was highly erratic after 4-6 years in service. Roll of 3/16" Copper Nickel Brake Line Tubing w/ 12 standard 3/16" (3/8"-24) fittings & tube cutter, 250 Feet of 3/16" (.028" Wall thickness) Copper Nickel Brake Line Tubing (10 - 25ft coils). Users of copper-nickel brake tubing in addition to Volvo include world-class vehicle manufacturers like Rolls Royce, Lotus, Aston Martin, Porsche and, most recently, Audi. 10 x 1 mm (Pack of 10 fittings), 25 ft of 3/16 Cupronickel Brake Line W/ Unions, Clips, Fittings, Tee, 25 Foot Copper Nickel Rolls- 3/16, 1/4, 5/16, 3/8, Copper Nickel Roll With Stainless armor and 47 Fittings, 25 Foot of 1/4" Copper Nickel Tubing with Fittings, 25 Ft. In 1965, 251,000 automobile accidents in the USA involved brake failures. Operational, Copper - The World's Most Reusable Resource, Safe Drinking Water Act and Copper Alloys, Toxicological Differences in Lead and Copper, Lead-free Solders for Drinking Water Plumbing Systems. x 25 ft.], NiCopp Tubing & Nut Kit [3/8 in. 5/16" (.312") Copper Nickel Roll of Tube - 25 ft. 3/16" 50 Foot Copper Nickel Roll With Stainless Armor and 47 Fittings, Complete Copper Nickel Brake Line Kit. Our tubing is not made to the bare minimum specification. Bludot offers the copper nickel brake lines for 2020. Please select the checkbox to SignUp for text alerts, Save $20 Off $200, $50 Off $500, $100 Off $1000 Orders - Promo Code: SUMMER. Reply HELP for help or STOP to opt out. Cunifer copper-nickel brake line is completely rustproof, and once its installed, your lines will never have to be replaced again. Copper and four copper alloys also out-performed the double wrapped steel tubing in the tests. O.D. Msg. The following considerations are necessary for establishing the specifications for brake system tubing installations: Copper-nickel brake tubing provides superior reliability and assures both manufacturers and vehicle owners improved durability for effective long-life functioning of the brake system. Tubing should avoid or be protected from exhaust systems or other areas of extreme heat. Our 007 brake line flaring tools easy cam and lever operation can make flares in 30 seconds, saving you time and frustration. For example, if the steel is exposed due to damage to the coating from stone pecking or other penetration, the copper, being galvanically more noble, creates a large cathodic/ anodic area ratio that accelerates the corrosion of the steel resulting in perforation. In 1971 they changed the coating to zinc. Customers calling with problems using the imitation tubing alerted us to investigate the competition. So definitely step away from the copper tubing in the plumbing aisle of your local hardware store. O.D. and 0.028 in. We have purchased and tested almost every brake line flaring tool on the market. With this tool, you can make aircraft quality flares for SAE 45 degree double (inverted) on American or metric sized tubing, DIN flares on metric tubing, and British bubble flares. In all cases alloy C70600 easily exceeds the required corrosion resistance. Copper-nickel alloy C70600, an alloy of 90% copper and 10% nickel, is inherently corrosion resistant to road salt, and its use as brake tubing is increasing based on: 1) Changing life-expectancy for automotive vehicles; 2) Worldwide service-experience data on brake tubing wear; and 3) Increasing cost of corrosion-retarding coatings for steel brake tubing. 2022 JEGS High Performance. The fact that it is nowhere near specification is alarming. freq may vary. Since the 1970s, observed brake tubing faults have diminished with improved coatings. O.D. Unlike steel lines, it bends and flares with ease, making the job go fast and smooth. Cunifer is the highest quality copper-nickel tubing available. The copper-nickel alloy used for brake tubing typically contains 10% nickel, with iron and manganese additions of 1.4% and 0.8% respectively. Data from the United Kingdom reveal 20% failure rate of brake systems. The factors affecting actuation time are: Fluid flow rate as determined by wheel cylinder displacement requirements. It also identified copper-nickel alloy C70600 tube as outstandingly superior to conventional steel brake line tubing in laboratory salt-spray-exposure burst tests. The combination of strength and good ductility give excellent formability. You can find all of our automotive brake tools and supplies HERE. The tubing should never intersect an exhaust pipe, muffler or catalytic converter, unless it is adequately protected against excessive movement of the pipe, muffler or catalytic converter, even if a hanger failed.
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