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Full Version: Is Old Chromoly Weaker Than New Chromoly?
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lantz
I've read the chromo vs.mild steel debate over the past couple of years and similar ones about the adverse affects welding can have on the strucutral integrity of the metal around the weld and lately the threads on insurance and what might look like a sound buggy being totalled by the builder after an accident

Somewhere in all that (I can't find it right now, but it was recent) someone suggested that old chromo is not as strong as new chromo.

If I bought a turnkey buggy(chromoly frame) today and housed it in a garage for nine years and then bought a brand new one with the same exact design and components (all chromoly too) nine years from now could I expect the same amount of structural integrity from both frames/suspension components on a hard ride through the desert?

I guess I am asking if chromoly has a shelf life? Will that .120 wall 1.5" tube I bought last year be just as strong 10 years from now if it justs sits in the garage?
BLU-BY-U
I don't think theres a shelf life on tubing, if anything U have to be more careful now than before because there is moly tubing coming here from across the pond thats junk. NHRA has outlawed any tubing not made in the USA. Most US tubing is coming from Plymouth Tube Co. If it doesn't Say USA on the tubing I wont use it.
lantz
Mine is all almost nine years old, and I got a little worried when that comment showed up.

I know nine years worth of bumps, scrapes, abrupt stops, trees, bushes, rocks, etc has taken it's toll and eventually I'll need new a-arms all around because of dents, stupid decisions made by assembler (me), and driver error, but I shudder to think that one day my main frame might just start to crack because of age rather than abuse...
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