Cycling Equipment · Public discussion

Aluminium frame corrosion?

Started by Ritch · · Last activity · 4 posts · 740 views

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Cycling Equipment
Published
30 May 2004
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23 June 2004
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Ritch
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  1. Hi folks,

    I have a 1998 Giant Peleton 8200. It has an aluminium frame, at least
    according to the "6061 Aluminium T6" sticker on the downtube. The
    problem is that it looks like there are some bubbles appearing under
    the paint, near the downtube bottle cage. I thought Al frames were
    corrosion resistant? Perhaps a materials expert can shed some light on
    whether some corrosion is expected over six years on an Al frame...

    FYI - I take reasonable care - we don't have salty roads, I don't live
    close to the beach, but I do ride in the rain (not by preference).

    Cheers,
    Ritch

  2. (Ritch) said:

    Hi folks,

    I have a 1998 Giant Peleton 8200. It has an aluminium frame, at least
    according to the "6061 Aluminium T6" sticker on the downtube. The
    problem is that it looks like there are some bubbles appearing under
    the paint, near the downtube bottle cage. I thought Al frames were
    corrosion resistant? Perhaps a materials expert can shed some light on
    whether some corrosion is expected over six years on an Al frame...

    FYI - I take reasonable care - we don't have salty roads, I don't live
    close to the beach, but I do ride in the rain (not by preference).

    Cheers,
    Ritch

    Aluminum can still corrode. Take a look at an old raw aluminum window
    frame one day.

    It could also be the paint itself, not the underlying aluminum.

  3. Dan Daniel said:
    (Ritch) said:

    Hi folks,

    I have a 1998 Giant Peleton 8200. It has an aluminium frame, at least
    according to the "6061 Aluminium T6" sticker on the downtube. The
    problem is that it looks like there are some bubbles appearing under
    the paint, near the downtube bottle cage. I thought Al frames were
    corrosion resistant? Perhaps a materials expert can shed some light on
    whether some corrosion is expected over six years on an Al frame...

    FYI - I take reasonable care - we don't have salty roads, I don't live
    close to the beach, but I do ride in the rain (not by preference).

    Cheers,
    Ritch

    Aluminum can still corrode. Take a look at an old raw aluminum window
    frame one day.

    It could also be the paint itself, not the underlying aluminum.

    My guess is that the powder coating has a problem.
    Michael J. Klein [email hidden]
    Dasi Jen, Taoyuan Hsien, Taiwan, ROC
    Please replace mousepotato with asiancastings
    ---------------------------------------------

  4. That's happened to every Cannondale I've owned. I thought it was just MY
    toxic sweat getting under the paint. - Bill
    "Michael J. Klein" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    Dan Daniel said:
    (Ritch) said:

    Hi folks,

    I have a 1998 Giant Peleton 8200. It has an aluminium frame, at least
    according to the "6061 Aluminium T6" sticker on the downtube. The
    problem is that it looks like there are some bubbles appearing under
    the paint, near the downtube bottle cage. I thought Al frames were
    corrosion resistant? Perhaps a materials expert can shed some light on
    whether some corrosion is expected over six years on an Al frame...

    FYI - I take reasonable care - we don't have salty roads, I don't live
    close to the beach, but I do ride in the rain (not by preference).

    Cheers,
    Ritch

    Aluminum can still corrode. Take a look at an old raw aluminum window
    frame one day.

    It could also be the paint itself, not the underlying aluminum.

    My guess is that the powder coating has a problem.
    Michael J. Klein [email hidden]
    Dasi Jen, Taoyuan Hsien, Taiwan, ROC
    Please replace mousepotato with asiancastings
    ---------------------------------------------

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