Brembo Disk Rotor ID
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Brembo Disk Rotor ID
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15-12-2010, 05:21pm
Hi guys im trying to work out if a brembo disk is stainless or not. dont really know much about these as a mate of mine bought them off a mate of his who bought them new for his gsxr 1k but he was told they were hayabusa disks. Part number stamped in them is 70.1515-A anyone able to help? cheers
Regards
Dan
15-12-2010, 06:38pm
Put a magnet on it......
 (15-12-2010, 06:38pm)CeeJay07 Wrote: Put a magnet on it...... ......and if that doesn't work (the magnet should not stick) put 'em outside for a week and see if they start to show any signs of surface rust. On a guess from the images, Iron is a duller metal than stainless. Your's look like they are stainless. 
15-12-2010, 07:30pm
Stainless steel warps when it gets hot, so I wonder if any brake discs are made from it.
"casting dispersions on others credability." And their illiteracy.
15-12-2010, 07:41pm
(15-12-2010, 07:30pm)Rainbow7 Wrote: Stainless steel warps when it gets hot, so I wonder if any brake discs are made from it. Stainless dispersses heat extremely well and on an even level. It would take some serious cooking to warp a stainless rotor purely from heat alone. Even to change it's colour from heat (it'll do that before it warps)you are looking at a base temp of aprox 300 degrees to make it a pale yellow and to go full blue 600 degrees. How hard do you want to brake to achieve those temps and warp a stainless rotor. 
16-12-2010, 05:48am
The magnet test wont necessarily work. Different frsades of stainless are magnetic depending on what has been added. For example, stainless steel rulers are definitely magnetic.
Btw Rainbow, many rotors are made of stainless.
I pity the fool who goes out tryin' a' take over da world, then runs home cryin' to his momma!
16-12-2010, 11:52am
(16-12-2010, 05:48am)drworm Wrote: The magnet test wont necessarily work. Different frsades of stainless are magnetic depending on what has been added. For example, stainless steel rulers are definitely magnetic. I understand that Brake Tech are among the very few manufacturers who use iron disks. The rest are using various grades of stainless steel.
Good weather, good woman, good road, good bike, good-bye!!
16-12-2010, 01:07pm
(16-12-2010, 05:48am)drworm Wrote: The magnet test wont necessarily work. Different frsades of stainless are magnetic depending on what has been added. For example, stainless steel rulers are definitely magnetic. Any grade of staino that starts with a "4" is magnetic as well as 304. 
17-12-2010, 08:16pm
(16-12-2010, 11:52am)Madmax Wrote:(16-12-2010, 05:48am)drworm Wrote: The magnet test wont necessarily work. Different frsades of stainless are magnetic depending on what has been added. For example, stainless steel rulers are definitely magnetic. dont forget ceramic rotors Max
17-12-2010, 08:48pm
(17-12-2010, 08:16pm)kawasuki Wrote:(16-12-2010, 11:52am)Madmax Wrote:(16-12-2010, 05:48am)drworm Wrote: The magnet test wont necessarily work. Different frsades of stainless are magnetic depending on what has been added. For example, stainless steel rulers are definitely magnetic. The ceramic rotors are just amazing!!! But who has $3.5 grand for rotors realistically. They are beauties though!
Good weather, good woman, good road, good bike, good-bye!!
17-12-2010, 09:22pm
what do endurance road racing blokes use?[ie Isle of man]
"If you're going through hell, keep going"
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