tubing benders are the best used for
Soft copper
Copper tubing is best cut with a straight saw, ideally diamond tipped for the cleanest cut.
orange/red tubing is requried to bend itCopper has a bendable grade see see the CDA drawn and annealed called HARD and soft copper
The classes of lever have nothing to do with how "good" they are. Which class of lever will work the best in any given situation depends on the situation.
Things that work really good are spoons, forks, and butter knives. You just take a hammer and hit them till they are flat. It works really well. Copper tubing works awesome as well!
copper
the esopus creek in phoenicia, ny
Copper is a good conductor, that's why it is used to make electrical wire.
Copper tubing solder "Solder" is an erroneous term as solder mean lead which of course is banned (safe water drinking act) Sweating is another term for "soldering" Copper can be joined by various alloys such as 95 % tin -5% Anatomy or one of the many silver bearing types of low temperature alloys. For the strongest possible joints brazing is the best way to go with a tensile strength over 87,000 PSI compared to soft solder joints of 16,000 PSI For DWV copper joints one can use one of the lead tin solders such as 50 -50 as it is quite easy to work woth.
Copper
The size of the tubing remains the same throughout the length of the instrument
Scrap metal prices are very dynamic and are constantly changing daily. Copper scrap is also priced based on grade of the scrap copper meaning light gauge copper wire with insulation is a lower scrap price then stripped bare large copper cable (bare brite) or buss bar. In NJ as of May 2011 the price for #1bare brite copper wire is around $3.50 per lb and #1 Copper Tubing is around $3.25/lb. PLease keep in mind copper price do fluctuate and you should check prices daily to ensure you obtain best recycling prices possible
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