Seamless bus tube is a round, hollow material manufactured to a specific outside diameter (O.D.) and wall thickness. It is produced to meet specific end-user requirements.
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www.AFLglobal.com or 800-890-8878 Bus Conductors 614 Bus Conductors Outside Diameter of Tube Wall Thickness Area Weight in in sq in lb/ft A B 8 0.250 6.09 7.16 8 0.375 8.98 10.56 8 0.500 11.78 13.85 8 0.625 14.48 17.03 9 0.250 6.87 8.08 9 0.375 10.16 11.95 9 0.500 13.35 15.70 9 0.625 16.44 19.34 Outside Diameter of Tube Wall Thickness Area Weight in in sq in lb/ft A B 10 0.312 9.50 11.17 10 0.375 11.34 13.33 10 0.500 14.92 17.55 10 0.625 18.41 21.65 12 0.312 11.46 13.47 12 0.375 13.70 16.11 12 0.500 18.06 21.24 12 0.625 22.33 26.27 Outside Diameter Diameter Code 8 8OD 9 9OD 10 10OD 12 12OD Alloy Number Alloy Code 6061 X 6063 Y 6101 Z Ordering Instructions: Step 1: Choose Outside Diameter Step 3: Choose Alloy Wall Thickness Thickness Code 1/4” 250W 5/16” 312W 3/8” 375W 1/2” 500W 5/8” 625W Step 2: Choose Wall Thickness Step 4: Choose Temper Seamless bus tube is a round, hollow material manufactured to a specific outside diameter (O.D.) and wall thickness. It is produced to meet specific end user requirements. Tubing is described by the actual outside diameter and wall thickness, i.e. 8” O.D. x 0.500” Wall aluminum tubing. Outdoor tubular bus is generally made of 6063-T6 alloy because of its excellent mechanical and electrical properties and is readily available. 6061-T6 tubular conductor is used where very high strength and lower conductivity is required. Note: For seamless bus tube sizes not listed, contact the AFL Commercial Team. Temper Temper Code T6 T6 T61 T61 T63 T63 Seamless Bus Tube Step 6: Build Catalog Number Outside Diameter + Wall Thickness + Alloy Code + Temper + Package Code Example: To order 8 inch OD 1/2” wall 6101-T61 Alloy Bus Pipe with BBB packaging 8OD + 500W + Z + T61 + B Completed Catalog Number is 8OD500WZT61B. Step 5: Choose Packaging Package Type Package Code Bare - Bat - Bundle (BBB) B EHV E See pictures on page 3 © 2011, AFL, all rights reserved. 02.15.11 Specifications are subject to change without notice. B A
www.AFLglobal.com or 800-890-8878 615 Bus Conductors Bus Conductors Physical & Electrical Properties of Large Diameter Round Tube Amperes for 6101-T61 Alloy 57% IACS Conductivity A B Area Sq In Weight lb/ft Moment of Inertia 1 in 4 Inductive Reactance 1 ft spacing 60 Hz-Xa microhms/ft DC Resistance at 20 o C microhms/ft Rac/Rda at 70 o C AC Resistance at 70 o C 60 Hz microhms/ft Current Rating 60 Hz Amp Outside diameter in Wall thickness in Indoor Outdoor 8 0.250 6.09 7.16 45.70 25.80 2.348 1.006 2.8070 3805 4720 8 0.375 8.98 10.56 65.44 26.00 1.591 1.030 1.9470 4555 5645 8 0.500 11.78 13.85 83.20 26.20 1.213 1.091 1.5730 5045 6250 8 0.625 14.48 17.03 99.20 26.50 0.987 1.206 1.4140 5190 6435 9 0.250 6.87 8.08 65.80 23.20 2.079 1.006 2.4860 4255 5245 9 0.375 10.16 11.95 94.70 23.30 1.406 1.030 1.7220 5100 6285 9 0.500 13.35 15.70 121.00 23.40 1.070 1.092 1.3890 5650 6965 9 0.625 16.44 19.34 145.00 23.60 0.869 1.308 1.2480 5980 7370 10 0.312 9.50 11.17 111.50 20.60 1.505 1.015 1.8140 5185 6355 10 0.375 11.34 13.33 131.50 20.70 1.260 1.031 1.5430 5635 6910 10 0.500 14.92 17.55 168.80 20.90 0.958 1.092 1.2430 6255 7670 10 0.625 18.41 21.65 203.10 21.00 0.776 1.210 1.1160 6640 8140 12 0.312 11.46 13.47 195.80 16.30 1.247 1.015 1.5040 6155 7480 12 0.375 13.70 16.11 231.60 16.40 1.043 1.031 1.2780 6685 8125 12 0.500 18.06 21.24 299.20 16.60 0.791 1.093 1.0280 7415 9015 12 0.625 22.33 26.27 362.30 16.70 0.640 1.213 0.9219 7850 9545 Notes: 1. Current ratings listed in the Tables are based on 30 o C temperature rise over 40 o C ambient horizontally mounted conductors, with spacing sufficient to eliminate proximity effects, generally assumed not to be significant if spacing is 18 in. or over. Conduction of heat by supporting structures and taps can appreciably affect the ratings. 2. Conductors with a 2ft/sec crosswind. Nominal oxidized surface (e=0.50) 3. Current Ratings for direct current are close to those of alternating current for all except the larger sizes; and for them, the increase for dc bus is about 1.5 percent. © 2011, AFL, all rights reserved. 02.15.11 Specifications are subject to change without notice.
Features:
- Only one-third the weight of copper
- Highly corrosion resistant
- Dissipates heat rapidly and evenly
- Very strong yet lightweight
- Easy to fabricate
- Conducts equivalent loads of electric power with one-half as much material weight as copper
Applications:
- 6061-T6 alloy used in high strength applications
- 6063-T6 alloy used in higher current carrying applications
- Indoor or outdoor use
Seamless bus tube is a round, hollow material manufactured to a specific outside diameter (O.D.) and wall thickness. It is produced to meet specific end user requirements. Tubing is described by the actual outside diameter and wall thickness, i.e. 8” O.D. x 0.500” wall aluminum tubing.
Outdoor tubular bus is generally made of 6063-T6 alloy because of its excellent mechanical and electrical properties and is readily available. The 6061-T6 tubular conductor is used where very high strength and lower conductivity is required.
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