Thread: Testing Type of Metal
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03-09-2009 03:03 PM #1
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By looking at it...... Any "MOLY" material will have a stamping of 4130 on it......
Originally Posted by 6bblflash
How do you tell wheather you have mildsteel,moly,cast etc.....
I do remember that most types have a different color spark/and or spark pattern when you grind it.
Does anyone know or have a link to find such info?
I bought a used MOLY driveshaft and would like to be able to tell if the ends/yokes are MOLY as well,or just the shaft.
Second , I highly doubt the shaft ends are "MOLY".....
Mild steel and "MOLY" tubeing dont come in the same specs I believe and cast tubing is only used by plumbers.
4130, also known as "Chrome Moly" (short for chromium molybdenum) is a general purpose steel that has been widely used by the motorsports industries for many years. Weldability, fabrication and mild hardenability make it a popular choice in all forms - tube, bar, sheet, and plate.Last edited by BigTruckDriver; 03-09-2009 at 03:06 PM.
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".......So sanded it all down and resprayed. ......" Been there. done that on a couple of paint jobs over the years. Usually took me a couple of days to get over being mad before I started...
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